Manufacturing technology (mechanical, electrical/electronic, chemical engineering), Catalytic processes and resource chemistry, Catalyst/Resource Chemical Process

Nanotechnology/Materials, Functional solid-state chemistry

Catalyst and Catalysis

Preparation and catalysis of zeolite-supported noble metal catalysts
Structural analysis by means of X-ray absorption spectroscopy

触媒総合事典
Joint work
01 Jan. 2023
9784254252743

Advanced Characterization Of Nanostructured Materials: Probing The Structure And Dynamics With Synchrotron X-rays And Neutrons (World Scientific Series ... Nanotechnology Book 21) (English Edition)
Nobuyuki Ichikuni; Kazu Okumura; Yasuhiro Iwasawa, Joint work
World Scientific, 23 Mar. 2021
9789811231506

Palladium-Catalyzed Coupling Reactions
Joint work
Wiley-vch, May 2013

Palladium-Catalyzed Coupling Reactions
2013

触媒調製ハンドブック
Joint work
Apr. 2011

Characterization and Design of Zeolite Catalysts; Solid Acidity, Shape Selectivity and Loading Property
Joint work
Springer-Verlag, Aug. 2010

Characterization and Design of Zeolite Catalysts; Solid Acidity, Shape Selectivity and Loading Property
2010

Molecular Nano Dynamics
2009

Molecular Nano Dynamics
Joint work
Wiley-VCH, Jan. 2009

SPring-8の高輝度放射光を利用した先端触媒開発
Joint work
Oct. 2006

分析試料前処理ハンドブック
Joint work
Jan. 2003

Solvent-Free Synthesis and Applications of Highly Dispersed Ruthenium Catalysts Prepared by Solid-Phase Mixing
Kazu Okumura; Sou Sugihara; Yoshinao Yasui; Ryota Sugiyama; Abubaker Ahmed; Anas Abdullahi
ACS Omega, 04 Jul. 2025, [Reviewed]
Lead, Corresponding

Rational Design of Pt Supported Catalysts for Hydrosilylation: Influence of Support and Calcination Temperature
Kazu Okumura; Shinsaku Aikawa; Yuki Aoki; Anas Abdullahi; Mustapha Mohammed
Innovation of Chemistry & Materials for Sustainability, 05 Jun. 2025, [Reviewed]
Lead, Corresponding

Characterization of the active species in the aerobic oxidation of benzyl alcohol catalyzed by Ru/ZrO2
Kazu Okumura; Ririka Chihara; Anas Abdullahi; Mai Kato
Molecular Catalysis, Feb. 2025, [Reviewed]
Lead, Corresponding

N-alkylation of amines with alcohols over hydrothermally prepared Nb-W mixed oxides
Anas Abdullahi; Kazu Okumura
Molecular Catalysis, Jan. 2025, [Reviewed]
Corresponding

Brownmillerite-Type Ca₂FeCoO₅ Ultrathin Layers as Anodic Catalysts for Water Electrolysis
Hiroyuki Okada; Ren Adachi; Etsushi Tsuji; Ryosuke Nanbu; Kazu Okumura; Sho Kitano; Hiroki Habazaki; Satoshi Suganuma; Naonobu Katada
ACS Applied Nano Materials, 18 Dec. 2024, [Reviewed]

Formation and Segregation of the Ru- and Rh-MgO Solid Solutions
Kazu Okumura; Takumi Sasaki; Sou Sugihara; Kotaro Kawaguchi; Anas Abdullahi; Hikaru Iiyoshi
ACS Omega, 08 Nov. 2024, [Reviewed]
Lead, Corresponding

Mechanochemistry-based liquid-assisted synthesis of hydrophobic Zr-Beta with high metal loading for Meerwein-Ponndorf-Verley reduction
Hongwei Zhang; Stephan Jaenicke; Kazu Okumura; Hui-Ru Tan; Gaik-Khuan Chuah
Journal of Catalysis, Mar. 2024, [Reviewed]

Direct methylation of benzene with methane over Co/MFI catalysts generated by self-dispersion of Co(OH)2
Kazu Okumura; Kai Tanaka; Akimichi Ohtsuki; Hikaru Iiyoshi; Naonobu Katada
Catalysis Science and Technology, 31 Aug. 2023, [Reviewed]
Lead, Corresponding

Formation and Segregation of a Pd−MgO Solid Solution Studied by,X‑ray Absorption Spectroscopy
Kazu Okumura; Sachiko Morita; Hikaru Iiyoshi; Hiromitsu Takaba
ACS Omega, 16 Feb. 2023, [Reviewed]
Lead, Corresponding

Formation of Ir–MgO Solid Solutions Analyzed, with X‑ray Absorption Spectroscopy
Kazu Okumura; Hitomi Hoshi; Hikaru Iiyoshi
Catalysis Surveys from Asia, 03 Nov. 2022, [Reviewed]
Lead, Corresponding

Mg-stabilized subnanometer Rh particles in zeolite Beta as highly efficient catalysts for selective hydrogenation
Hongwei Zhang; Lixiang Zhong; Ismail Bin Samsudin; Kazu Okumura; Hui-Ru Tan; Shuzhou Li; Stephan Jaenicke; Gaik-Khuan Chuah
Journal of Catalysis, 2022, [Reviewed]

Formation of a PtMgO Solid Solution: Analysis by Xray Absorption Fine Structure Spectroscopy
Kazu Okumura; Hitomi Hoshi; Hikaru Iiyoshi; Hiromitsu Takaba
ACS Omega, 2022, [Reviewed]
Lead, Corresponding

One-pot production of dioctyl ether from 1,2-octanediol over rutile-titania-supported palladium-tungsten catalyst
Yoshinao Nakagawa; Hiroki Hayasaka; Takehiro Asano; Masazumi Tamura; Kazu Okumura; Keiichi Tomishige
Molecular Catalysis, 2022, [Reviewed]

X線吸収微細構造法による担持金属・酸化物触媒の局所構造解析
01 Nov. 2021, [Reviewed], [Invited]
Lead, Corresponding

Mg-stabilized subnanometer Rh particles in zeolite Beta as highly efficient catalysts for selective hydrogenation
Hongwei Zhang; Lixiang Zhong; Ismail Bin Samsudin; Kazu Okumura; Hui-Ru Tan; Shuzhou Li; Stephan Jaenicke a; Gaik-Khuan Chuah
Journal of Catalysis, Nov. 2021, [Reviewed]

Inclusion of bidentate phosphine molecules in the supercage of FAU zeolite
Kazu Okumura; Sachiko Morita; Akimichi Ohtsuki; Hiromitsu Takaba
Microporous and Mesoporous Materials, 07 Sep. 2021, [Reviewed]
Lead, Corresponding

Volcano-type correlation between particle size and catalytic activity on hydrodechlorination catalyzed by AuPd nanoalloy
Yuta Uetake; Sachi Mouri; Setsiri Haesuwannakij; Kazu Okumura; Hidehiro Sakurai
Nanoscale Adv., 2021, [Reviewed]

Spontaneous formation and catalysis of highly dispersed Pd0 on *BEA zeolite
Kazu Okumura; Hikaru Iiyoshi
Micropor. Mespor. Mater., 2021, [Reviewed]
Lead, Corresponding

ゼオライト細孔へのトリフェニルホスフィンの直接導入
30 Sep. 2020, [Reviewed]
Lead, Corresponding

Position and Lewis acidic property of active cobalt species on MFI zeolite for catalytic methylation of benzene with methane
Hitoshi Matsubara; Kana Yamamoto; Etsushi Tsuji; Kazu Okumura; Koshiro Nakamura; Satoshi Suganuma; Naonobu Katada
Microporous and Mesporous Materials, 28 Sep. 2020, [Reviewed]

Tungsten-zirconia-supported rhenium catalyst combined with a deoxydehydration catalyst for the one-pot synthesis of 1,4-butanediol from 1,4-anhydroerythritol
Tianmiao Wang; Yoshinao Nakagawa; Masazumi Tamura; Kazu Okumura; Keiichi Tomishige
Reaction Chemistry and Engineering, 01 Jul. 2020

Comparative study of direct methylation of benzene with methane on cobalt-exchanged ZSM-5 and ZSM-11 zeolites
Peidong Hu; Koshiro Nakamura; Hitoshi Matsubara; Kenta Iyoki; Yutaka Yanaba; Kazu Okumura; Tatsuya Okubo; Naonobu Katada; Toru Wakihara
APPLIED CATALYSIS A-GENERAL, Jul. 2020

H-*BEA Zeolite-catalyzed Nucleophilic Substitution in Allyl Alcohols Using Sulfonamides, Amides, and Anilines
Akimichi Ohtsuki; Shunsuke Aoki; Ryo Nishida; Sachiko Morita; Takeshi Fujii; Kazu Okumura
European Journal of Organic Chemistry, 10 Jun. 2020, [Reviewed]

Reactivity of Methane and Benzene over Metal/MFI Zeolite Analyzed with Temperature-Programmed Reaction Technique
Koshiro Nakamura; Kazu Okumura; Etsushi Tsuji; Satoshi Suganuma; Naonobu Katada
ChemCatChem, Apr. 2020

Selective Formation of Active Cobalt Species for Direct Methylation of Benzene with Methane on MFI Zeolite by Co-presence of Secondary Elements
Hitoshi Matsubara; Etsushi Tsuji; Yasumi Moriwaki; Kazu Okumura; Kana Yamamoto; Koshiro Nakamura; Satoshi Suganuma; Naonobu Katada
Catalysis Letters, 01 Sep. 2019

Mechanism of Formation of Highly Dispersed Metallic Ruthenium Particles on Ceria Support by Heating and Reduction
Yosuke Nakaji; Daisuke Kobayashi; Yoshinao Nakagawa; Masazumi Tamura; Kazu Okumura; Keiichi Tomishige
Journal of Physical Chemistry C, 17 Jan. 2019

Acylation of anisole with carboxylic acids catalyzed by tungsten oxide supported on titanium dioxide
Kazu Okumura; Masaki Iida; Hajime Yamashita
Molecular Catalysis, 2019, [Reviewed]

Direct immobilization of triphenylphosphine palladium complexes on the external surface of zeolite beta
Kazu Okumura; Kakeru Sato; Keisuke Kamioka; Yuito Koga
Micropor. Mesopor. Mater., 2019, [Reviewed]

Selective Hydrogenolysis of Glycerol to 1,3-Propanediol over Rhenium-Oxide-Modified Iridium Nanoparticles Coating Rutile Titania Support
Lujie Liu; Takehiro Asano; Yoshinao Nakagawa; Masazumi Tamura; Kazu Okumura; Keiichi Tomishige
ACS Catalysis, 2019

Direct Methylation of Benzene with Methane Catalyzed by Co/MFI Zeolite
Koshiro Nakamura; Akihito Okuda; Kiyotaka Ohta; Hitoshi Matsubara; Kazu Okumura; Kana Yamamoto; Ryosuke Itagaki; Satoshi Suganuma; Etsushi Tsuji; Naonobu Katada
ChemCatChem, 07 Sep. 2018

Selective hydrogenation of phenol to cyclohexanone by SiO2-supported rhodium nanoparticles under mild conditions
Hongwei Zhang; Aijuan Han; Kazu Okumura; Lixiang Zhong; Shuzhou Li; Stephan Jaenicke; Gaik-Khuan Chuah
J. Catal., 03 Jun. 2018, [Reviewed]

Mechanistic Study of Hydrogen-Driven Deoxydehydration over Ceria-Supported Rhenium Catalyst Promoted by Au Nanoparticles
Yoshinao Nakagawa; Shuhei Tazawa; Tianmiao Wang; Masazumi Tamura; Norihito Hiyoshi; Kazu Okumura; and Keiichi Tomishige
ACS Catal., 2018, [Reviewed]

Production of diethyl carbonate from ethylene carbonate and ethanol over,supported fluoro-perovskite catalysts
Hajime Iida; Ryuhei Kawaguchi; Kazu Okumura
Catal. Commun., 2018, [Reviewed]

Direct Inclusion of Phosphine Derivatives in the Pores of Zeolite beta
Kazu Okumura; Keisuke Okazaki; Hajime Yamashita; Yuito Koga
Micropor. Mesopor. Mater., 2018, [Reviewed]

The Impact of the Polymer Chain Length on the Catalytic Activity of Poly(N-vinyl-2-pyrrolidone)-supported Gold Nanoclusters
Setsiri Haesuwannakij; Tetsunari Kimura; Yuji Furutani; Kazu Okumura; Ken Kokubo; Takao Sakata; Hidehiro Yasuda; Yumi Yakiyama; Hidehiro Sakurai
Scientific Reports, 29 Aug. 2017, [Reviewed]

Steam reforming of toluene over Ru/SrCO3-Al2O3 catalysts
Hajime Iida; Akito Fujiyama; Akira Igarashi; Kazu Okumura
Fuel Process. Technol., 29 Aug. 2017, [Reviewed]

Direct Inclusion of Triphenylphosphine Derivatives into the Zeolite Y Supercage
Kazu Okumura; Masakazu Nakanishi; Hiromitsu Takaba
Micropor. Mesopor. Mater., 2017, [Reviewed]

Direct Inclusion of Triphenylmethane and Triphenylsilane into the Pores of Zeolite Y
Kazu Okumura; Hiroki Takahashi; Hiromitsu Takaba
Micropor. Mesopor. Mater., 2017, [Reviewed]

Performance, Structure, and Mechanism of ReOx-Pd/CeO2 Catalyst for Simultaneous Removal of Vicinal OH Groups with H-2
Nobuhiko Ota; Masazumi Tamura; Yoshinao Nakagawa; Kazu Okumura; Keiichi Tomishige
ACS CATALYSIS, May 2016, [Reviewed]

"Formation and Catalysis of Au Nanoparticles Generated through the Physical Mixing of AuCl(PPh3) and Oxides
Kazu Okumura
Synlett, 2016, [Reviewed]

Inclusion of Triphenylphosphine in the Supercage of Zeolite Y
Kazu Okumura; Masakazu Nakanishi; Yujiro Kikuchi and Tomoyuki Kouno
Chem. Lett., 2016, [Reviewed]

Direct Inclusion of Triphenylamine into the Supercage of Zeolite Y
Kazu Okumura; Masakazu Nakanishi; Yujiro Kikuchi and Tomoyuki Kouno
Chem. Lett., 2016, [Reviewed]

Precious metal-like oxide-free copper nanoparticles: high oxidation resistance and geometric structure
Masaya Miyagawa; Toshiki Maeda; Ryo Tokuda; Akane Shibusawa; Takuya Aoki; Kazu Okumura; Hideki Tanaka
RSC Adv., 2016, [Reviewed]

Deoxydehydration with Molecular Hydrogen over Ceria-Supported Rhenium Catalyst with Gold Promoter
Shuhei Tazawa; Nobuhiko Ota; Masazumi Tamura; Yoshinao Nakagawa; Kazu Okumura; Keiichi Tomishige
ACS Catal., 2016, [Reviewed]

Hydrogenation of dicarboxylic acids to diols over Re–Pd catalysts
Yasuyuki Taked; a Masazumi Tamur; Yoshinao Nakagaw; Kazu Okumura; Keiichi Tomishige
Catal. Sci. Technol., 2016, [Reviewed]

Assignments of Bending Vibrations of Ammonia Adsorbed on Surfaces of Metal Oxides
Satoshi Suganuma; Yuta Murakami; Jota Ohyama; Tatsuya Torikai; Kazu Okumura; Naonobu Katada
CATALYSIS LETTERS, Oct. 2015

Selective Hydrogenation of Lactic Acid to 1,2-Propanediol over Highly Active Ruthenium-Molybdenum Oxide Catalysts
Yasuyuki Takeda; Tomohiro Shoji; Hideo Watanabe; Masazumi Tamura; Yoshinao Nakagawa; Kazu Okumura; Keiichi Tomishige
CHEMSUSCHEM, Apr. 2015, [Reviewed]

Hydrodeoxygenation of Vicinal OH Groups over Heterogeneous Rhenium Catalyst Promoted by Palladium and Ceria Support
Nobuhiko Ota; Masazumi Tamura; Yoshinao Nakagawa; Kazu Okumura; Keiichi Tomishige
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, Feb. 2015, [Reviewed]

Post-synthesized zirconium-containing Beta zeolite in Meerwein–Ponndorf–Verley reduction: Pros and consJie
Jie Wanga; Kazu Okumura; Stephan Jaenicke; Gaik-Khuan Chuah
Appl. Catal. A, 2015, [Reviewed]

Suzuki Coupling Reactions Catalyzed by PdO Dispersed on,Dealuminated Y Zeolite in Air under Ambient Conditions
Kazu Okumura; Takumi Mushiake; Yu Matsui; Akira Ishii
ChemPhysChem, 2015, [Reviewed]

Solid-State molybdenum sulfide clusters with an octahedral metal framework as hydrogenation, dehydrogenation, and hydrogenolysis catalysts similar to the platinum group metals
Satoshi Kamiguchi; Kanako Arai; Kazu Okumura; Hajime Iida; Sayoko Nagashima; Teiji Chihara
Appl. Catal. A, 2015, [Reviewed]

Thermal Activation of Solid-State Molybdenum Halide Clusters with an Octahedral Cluster Framework and their Application to Catalytic Synthesis of 3-Methylpyridine from Piperidine and Methanol
Satoshi Kamiguchi; Ryu Kajio; Hitomi Yamada; Hidetaka Yuge; Kazu Okumura; Hajime Iida; Sayoko Nagashima; Teiji Chihara
Bull. Chem. Soc. Jap., 2015, [Reviewed]

Partial oxidation of alcohols with O2 catalyzed by Ru0/Al2O3
Takashi Numa; Atsushi Kimura; Kazu Okumura
Chem. Lett., 2015, [Reviewed]

Catalytic dehydrogenation of alcohol over solid-state molybdenum sulfide clusters with an octahedral metal framework
Satoshi Kamiguchi; Kazu Okumura; Sayoko Nagashima; Teiji Chihara
Mater. Res. Bull., 2015, [Reviewed]

Ru/12SrO-7Al2O3 (S12A7) catalyst prepared by physical mixing with Ru (PPh3)3Cl2 for steam reforming of toluene
H. Iida; K. Noguchi; T. Numa; A. Igarashi; K. Okumura
Catal. Commun., 2015, [Reviewed]

Characterization of Re-Pd/SiO2 catalysts for hydrogenation of stearic acid
Yasuyuki Takeda; Masazumi Tamura; Yoshinao Nakagawa; Kazu Okumura; Keiichi Tomishige
ACS Catalysis, 2015, [Reviewed]

Promoting Effect of Trace Pd on Hydrotalcite-Derived Ni/Mg/Al Catalyst in Oxidative Steam Reforming of Biomass Tar
Masazumi Tamura; Masazumi Tamura; Yoshinao Nakagawa; Kazu Okumura; Keiichi Tomishige
Appl. Catal. B, 2015, [Reviewed]

Assignments of bending vibrations of ammonia adsorbed on surfaces of metal oxides
Satoshi Suganuma; Yuta Murakami; Jota Ohyama; Tatsuya Torikai; Kazu Okumura; Naonobu Katada
Catalysis Letters, 2015

Relationship between activation energy and pre-exponential factor normalized by the number of Brønsted acid sites in cracking of short chain alkanes on zeolites
Naonobu Katada; Satoko Sota; Nami Morishita; Kazu Okumura and Miki Niwa
Catal.,Sci. & Technol., 2015, [Reviewed]

Catalytic Cracking of Methyl tert-Butyl Ether,to Isobutene over Brønsted and Lewis Acid Sites,on Solid-state Molybdenum Sulfide Clusters with an Octahedral Metal Framework
Satoshi Kamiguchi; Yasunari Seki; Akiharu Satake; Kazu Okumura; Sayoko Nagashima; Teiji Chihara
J. Clust. Sci, 2014, [Reviewed]

Structure and catalysis of layered Nb-W oxide constructed by the self-assembly of nanofibers
Kazu Okumura; Soichiro Ishida; Ryota Takahata Naonobu Katada
Catal. Today, 2013, [Reviewed]

Spontaneous Dispersion of Gold Nanoparticles Loaded on USY Zeolites as Analyzed by XAFS, XRD, and TEM
Takashi Sanada; Kazu Okumura; Chika Murakami; Tetsuya Oyama; Ayano Isoda; Naonobu Katada
CHEMISTRY LETTERS, Mar. 2012, [Reviewed]

Stable Low-Valence ReOx Cluster Attached on Rh Metal Particles Formed by Hydrogen Reduction and Its Formation Mechanism
Shuichi Koso; Hideo Watanabe; Kazu Okumura; Yoshinao Nakagawa; Keiichi Tomishige
JOURNAL OF PHYSICAL CHEMISTRY C, Feb. 2012, [Reviewed]

Suzuki coupling reaction catalyzed by Pd/USY zeolite and Pd leaching studies
Osaki Takanori; Okumura Kazu; Katada Naonobu
Proceeding of Annual/Fall Meetings of the Japan Petroleum Institute, 2012

Comparative study of Rh-MoOx and Rh-ReOx supported on SiO2 for the hydrogenolysis of ethers and polyols
Shuichi Koso; Hideo Watanabe; Kazu Okumura; Yoshinao Nakagawa; Keiichi Tomishige
APPLIED CATALYSIS B-ENVIRONMENTAL, Jan. 2012, [Reviewed]

Enhancement in the catalytic activity of Pd/USY in the Heck reaction induced by H2 bubbling
Kazu Okumura; Takuya Tomiyama; Sayaka Moriyama; Ayaka Nakamichi; Miki Niwa
Molecules, 2011, [Reviewed]

Hydrothermal synthesis and catalysis of Nb2O5-WO3 nanofiber crystal
Kazu Okumura; Takuya Tomiyama; Shuhei Shirakawa; Soichiro Ishida; Takashi Sanada; Masazumi Arao; Miki Niwa
J. Mater. Chem., 2011, [Reviewed]

Addition of olefins to acetylacetone catalyzed by cooperation of Brønsted acid site of zeolite and gold cluster
Ken-ichi Shimizu; Takumi Yamamoto; Yutaka Tai; Kazu Okumura; Atsushi Satsuma
Appl. Catal. A, 2011, [Reviewed]

Layered Nb2O5-WOx Sheet Catalyst Composed of Nanofibers that are Active in the Friedel-Crafts Reactions
Kazu Okumura; Soichiro Ishida Takuya; Tomiyama; Miki Niwa
Chem. Lett., 2011, [Reviewed]

In situ XAFS study of the sulfidation of Co-Mo/B2O3/Al2O3 hydrodesulfurization catalysts prepared by using citric acid as a chelating agent
Takeshi Kubota; Nino Rinaldi; Kazu Okumura; Tetsuo Honma; Sayaka Hirayama; Yasuaki Okamoto
Appl. Catal. A, 2010, [Reviewed]

Origin of the Excellent Catalytic Activity of Pd Loaded on Ultra-Stable Y Zeolites in Suzuki-Miyaura Reactions
Kazu Okumura; Takuya Tomiyama; Shizuyo Okuda; Hiroyuki Yoshida; Miki Niwa
J. Catal., 2010, [Reviewed]

IRMS-TPD Measurements of Acid Sites
Miki Niwa; Naonobu Katada; Kazu Okumura
Springer Series in Materials Science, 2010, [Reviewed]

Comparative study of Rh/MgO modified with Fe, Co or Ni for the catalytic partial oxidation of methane at short contact time. Part I: Characterization of catalysts
Hisanori Tanaka; Rie Kaino; Kazu Okumura; Tokushi Kizuka; Yoshinao Nakagawa; Keiichi Tomishige
Appl. Catal. A, 2010, [Reviewed]

Catalytic Reaction on the Palladium-Loaded Zeolites
Miki Niwa; Naonobu Katada; Kazu Okumura
Springer Series in Materials Science, 2010

Introduction to Zeolite Science and Catalysis
Miki Niwa; Naonobu Katada; Kazu Okumura
Springer Series in Materials Science, 2010

Application of the CVD of Silica to the Shape Selective Reaction
Miki Niwa; Naonobu Katada; Kazu Okumura
Springer Series in Materials Science, 2010

Solid Acidity of Zeolites
Miki Niwa; Naonobu Katada; Kazu Okumura
Springer Series in Materials Science, 2010

Zeolite Loading Property for Active Sites and XAFS Measurements
Miki Niwa; Naonobu Katada; Kazu Okumura
Springer Series in Materials Science, 2010

DFT Calculation of the Solid Acidity
Miki Niwa; Naonobu Katada; Kazu Okumura
Springer Series in Materials Science, 2010

CVD of Silica for the Shape Selective Reaction
Miki Niwa; Naonobu Katada; Kazu Okumura
Springer Series in Materials Science, 2010

Catalytic Activity and Adsorption Property
Miki Niwa; Naonobu Katada; Kazu Okumura
Springer Series in Materials Science, 2010

Promoting effect of Mo on the hydrogenolysis of tetrahydrofurfuryl alcohol to 1,5-pentanediol over Rh/SiO2
Shuichi Koso; Naoyuki Ueda; Yasunori Shinmi; Kazu Okumura; Tokushi Kizuka; Keiichi Tomishige
J. Catal., 2009, [Reviewed]

Generation of the active Pd cluster catalyst in the Suzuki-Miyaura reactions: Effect of the activation with H2 studied by means of quick XAFS
Kazu Okumura; Hirosuke Matsui; Takashi Sanada; Masazumi Arao; Tetsuo Honma; Sayaka Hirayama; Miki Niwa
J. Catal., 2009, [Reviewed]

Highly Dispersed Pd Species Active in the Suzuki-Miyaura Reaction
Kazu Okumura; Hirosuke Matsui; Takuya Tomiyama; Takashi Sanada; Tetsuo Honma; Sayaka Hirayama; Miki Niwa
Chemphyschem, 2009, [Reviewed]

Enhancement of the Catalytic Activity of a Dawson-type Heteropoly Acid Induced by the Loading on a Silica Support
Kazu Okumura; Sho Ito; Michiyo Yonekawa; Akiko Nakashima; Miki Niwa
Top. Catal., 2009, [Reviewed]

Biodiesel Production Using Heteropoly Acid-Derived Solid Acid Catalyst H4PNbW11O40/WO3-Nb2O5
Naonobu Katada; Tsubasa Hatanaka; Mitsuo Ota; Kazuhiro Yamada; Kazu Okumura; Miki Niwa
Appl. Catal. A, 2009, [Reviewed]

Promoting effect of Co addition on the catalytic partial oxidation of methane at short contact time over a Rh/MgO catalyst
Seiji Naito; Hisanori Tanaka; Shigeru Kado; Toshihiro Miyao; Shuichi Naito; Kazu Okumura; Kimio Kunimori; Keiichi Tomishige
J. Catal., 2008, [Reviewed]

Oxidative steam reforming of methane over Ni/α-Al2O3 modified with trace Pd
Kaori Yoshida; Kazu Okumura; Toshihiro Miyao; Shuichi Naito; Shin-ichi Ito; Kimio Kunimori; Keiichi Tomishige
Appl. Catal. A, 2008, [Reviewed]

Promotion of oxidation and reduction of Rh species by interaction of Rh and CeO2 over Rh/CeO2/SiO2
Tomohisa Miyazawa; Kazu Okumura; Kimio Kunimori; Keiichi Tomishige
J. Phys. Chem. C, 2008, [Reviewed]

Catalytic performance and characterization of Pt–Ni bimetallic catalysts for oxidative steam reforming of methane
Yuya Mukainakano; Kaori Yoshida; Shigeru Kado; Kazu Okumura; Kimio Kunimori; Keiichi Tomishige
Chem. Eng. Sci., 2008, [Reviewed]

Catalytic performance and QXAFS analysis of Ni catalysts modified with Pd for oxidative steam reforming of methane
Yuya Mukainakano; Kaori Yoshida; Kazu Okumura; Kimio Kunimori; Keiichi Tomishige
Catal. Today, 2008, [Reviewed]

Stepwise Growth of Pd Clusters in USY Zeolite at Room Temperature Analyzed by QXAFS
Kazu Okumura; Tetsuo Honma; Sayaka Hirayama; Takashi Sanada; Miki Niwa
J. Phys. Chem. C, 2008, [Reviewed]

Surface modification of Ni catalysts with trace Pt for oxidative steam reforming of methane
Baitao Li; Shigeru Kado; Yuya Mukainakano; Tomohisa Miyazawa; Toshihiro Miyao; Shuichi Naito; Kazu Okumura; Kimio Kunimori; Keiichi Tomishige
J. Catal., 2007, [Reviewed]

Role of active oxygen transients in selective catalytic reduction of N2O with CH4 over Fe-zeolite catalysts,Role of active oxygen transients in selective catalytic reduction of N2O with CH4 over Fe-zeolite catalysts
Takeshi Nobukawa; Kou Sugawara; Kazu Okumura; Keiichi Tomishige; Kimio Kunimori
Appl. Catal. B, 2007, [Reviewed]

The importance of Fe loading on the N2O reduction with NH3 over Fe-MFI: Effect of acid site formation on Fe species
Kou Sugawara; Takeshi Nobukawa; Masanori Yoshida; Yoshihiro Sato; Kazu Okumura; Keiichi Tomishige; Kimio Kunimori
Appl. Catal. B, 2007, [Reviewed]

Surface modification of Ni catalysts with trace Pd and Rh for oxidative steam reforming of methane
Yuya Mukainakano; Baitao Li; Shigeru Kado; Tomohisa Miyazawa; Kazu Okumura; Toshihiro Miyao; Shuichi Naito; Kimio Kunimori; Keiichi Tomishige
Appl. Catal. A, 2007, [Reviewed]

Formation and redispersion of silver clusters in Ag-MFI zeolite as investigated by time-resolved QXAFS and UV-vis
Ken-ichi Shimizu; Kenji Sugino; Kazuo Kato; Shigeru Yokota; Kazu Okumura; Atsushi Satsuma
J. Phys. Chem. C, 2007, [Reviewed]

Reaction mechanism of H2-promoted selective catalytic reduction of NO with C3H8 over Ag-MFI zeolite
Ken-ichi Shimizu; Kenji Sugino; Kazuo Kato; Shigeru Yokota; Kazu Okumura; Atsushi Satsuma
J. Phys. Chem. C, 2007, [Reviewed]

Catalytic performance and characterization of Pd/Ni0.2Mg0.8Al2O4 in oxidative steam reforming of methane under atmospheric and pressurized conditions
Mohammad Nurunnabi; Yuya Mukainakano; Shigeru Kado; Toshihiro Miyao; Shuichi Naito; Kazu Okumura; Kimio Kunimori; Keiichi Tomishige
Appl. Catal. A, 2007, [Reviewed]

Reductive Activation of O2 with H2 Reduced Silver Clusters as a Key Step in the H2-Promoted Selective Catalytic Reduction of NO with C3H8 over Ag/Al2O3
Ken-ichi Shimizu; Masao Tsuzuki; Kazuo Kato; Shigeru Yokota; Kazu Okumura; Atsushi Satsuma
J. Phys. Chem. C, 2007, [Reviewed]

Studies on the Identification of the Heteropoly Acid Generated in the H3PO4-WO3-Nb2O3 Catalyst and Its Thermal Transformation Process
Kazu Okumura; Katsuhiko Yamashita; Kazuhiro Yamada; Miki Niwa
J. Catal., 2007, [Reviewed]

In situ time-resolved dynamic surface events on the Pt/C cathode in a fuel cell under operando conditions
Mizuki Tada; Shigeaki Murata; Takahiko Asaoka; Kazutaka Hiroshima; Kazu Okumura; Hajime Tanida; Tomoya Uruga; Haruyuki Nakanishi; Shin-ichi Matsumoto Yasuhiro Inada; Masaharu Nomura; Yasuhiro Iwasawa
Angew. Chem. Int. Ed., 2007, [Reviewed]

Cooperative Effect Induced by the Mixing of Na-ZSM-5 and Pd/H3PW12O40/SiO2 in the Selective Catalytic Reduction of NO with Aromatic Hydrocarbons
Ryosuke Yoshimoto; Takashi Ninomiya; Kazu Okumura; Miki Niwa
Appl. Catal. B, 2007, [Reviewed]

Stability Test and EXAFS Characterization of Plasma Prepared Pd/HZSM-5 Catalyst for Methane Combustion
Dangguo Cheng; Kazu Okumura; Yongbin Xie; Chang-jun Liu
Appl. Surf. Sci., 2007, [Reviewed]

In-situ QXAFS Studies on the Dynamic Coalescence and Dispersion Processes of Pd in the USY Zeolite
Kazu Okumura; Kazuo Kato; Takashi Sanada; Miki Niwa
J. Phys. Chem. C, 2007, [Reviewed]

Oxidative steam reforming of methane under atmospheric and pressurized conditions over Pd/NiO–MgO solid solution catalysts
Mohammad Nurunnabi; Yuya Mukainakano; Shigeru Kado; Tomohisa Miyazawa; Kazu Okumura; Toshihiro Miyao; Shuichi Naito; Kimihito Suzuki; Ken-Ichiro Fujimoto; Kimio Kunimori; Keiichi Tomishige
Appl. Catal. A, 2006, [Reviewed]

Development of Ni catalysts for tar removal by steam gasification of biomass
Takeo Kimura; Tomohisa Miyazawa; Jin Nishikawa; Shigeru Kado; Kazu Okumura; Toshihiro Miyao; Shuichi Naito; Kimio Kunimori; Keiichi Tomishige
Appl. Catal. B, 2006, [Reviewed]

Speciation of iodine in solid environmental samples by iodine K-edge XANES: application to soils and ferromanganese oxides
Sayuri Kodama; Yoshio Takahashi; Kazu Okumura; Tomoya Uruga
Sci. Total Environ., 2006, [Reviewed]

Strong Inhibition Effect of Sulfur Impurities in Alumina Supports on the Catalytic Activity of Rh in the CH4-CO2 Reforming Reaction
Shigeru Yokota; Kazu Okumura; Miki Niwa
Appl. Catal. A, 2006, [Reviewed]

Activity and acidity of Nb2O5-MoO3 and Nb2O5-WO3 in the Friedel-Crafts Alkylation
Katsuhiko Yamashita; Miho Hirano; Kazu Okumura; Miki Niwa
Catal. Today, 2006, [Reviewed]

Pd loaded on high silica beta support active for the total oxidation of diluted methane in the presence of water vapor
Kazu Okumura; Eishi Shinohara; Miki Niwa
Catal. Today, 2006, [Reviewed]

Fe-MFI触媒上のN2O還元反応における還元剤の種類による影響と活性点の構造解析
2005, [Reviewed]

Effect of reductants in N2O reduction over Fe-MFI catalysts
Takeshi Nobukawa; Masanori Yoshida; Kazu Okumura; Keiichi Tomishige; Kimio Kunimori
J. Catal., 2005, [Reviewed]

Speciation of osmium in an iron meteorite and a platinum ore specimen based on X-ray absorption fine-structure spectroscopy
Naoki Sakakibara; Yoshio Takahashi; Kazu Okumura; Keiko H. Hattori; Tsuyoshi Yaita; Katsuhiko Suzuki; Hiroshi Shimizu
Geochem. J., 2005, [Reviewed]

Catalytic Performance and Elution of Pd in the Heck Reaction over Zeolite Supported Pd Cluster Catalyst
Kazu Okumura; Kumiko Nota; Keiko Yoshida; Miki Niwa
J. Catal., 2005, [Reviewed]

Active and Reusable Catalyst in the Friedel-Crafts Alkylation Derived from a Heteropoly Acid
Kazu Okumura; Katsuhiko Yamashita; Miho Hirano; Miki Niwa
Chem. Lett., 2005, [Reviewed]

Quick XAFS Studies on the Y-Type Zeolite Supported Au Catalysts for CO-O2 Reaction
Kazu Okumura; Katsuhiko Yoshino; Kazuo Kato; Miki Niwa
J. Phys. Chem. B, 2005, [Reviewed]

The Active and Reusable Catalyst in the Friedel-Crafts Alkylation Derived from a Heteropoly Acid
Kazu Okumura; Katsuhiko Yamashita; Miho Hirano; Miki Niwa
J. Catal., 2005, [Reviewed]

Selective Catalytic Reduction of NO by Methane over Pd Loaded on Heteropolyacids/SiO2 at Low Temperature
Kazu Okumura; Ryosuke Yoshimoto; Katsuki Suzuki; Miki Niwa
Bull. Chem. Soc. Jpn., 2005, [Reviewed]

Fe-BEA触媒上のCH4によるN2O選択還元反応
2004, [Reviewed]

Energy-Dispersive XAFS Studies on the Spontaneous Dispersion of PdO and the Formation of Stable Pd Clusters in Zeolites
Kazu Okumura; Ryosuke Yoshimoto; Tomoya Uruga; Hajime Tanida; Kazuo Kato; Shigeru Yokota; Miki Niwa
J. Phys. Chem. B, 2004, [Reviewed]

Support Effect of Zeolite on the Methane Combustion Activity of Palladium
Kazu Okumura; Sachiko Matsumoto; Noriko Nishiaki; Miki Niwa
Appl. Catal. B, 2003, [Reviewed]

Durable and Selective Activity of Pd Loaded on WO3/ZrO2 for NO-CH4-O2 in the Presence of Water Vapor
Kazu Okumura; Tetsuji Kusakabe; Miki Niwa
Appl. Catal. B, 2003, [Reviewed]

Spontaneous Dispersion of PdO onto acid sites of zeolites Studied by in situ DXAFS
Kazu Okumura; Tetsuji Kusakabe; Shigeru Yokota; Kazuo Kato; Hajime Tanida; Tomoya Uruga; Miki Niwa
Chem. Lett., 2003, [Reviewed]

Toluene combustion over palladium supported on various metal oxide supports
Kazu Okumura; Hideaki Tanaka; Takeshi Kobayashi; Miki Niwa
Appl. Catal. B, 2003, [Reviewed]

Catalytic Activity of Pd Loaded on WO3/Al2O3 for NO-CH4-O2 in the Presence of Water Vapor
Ryosuke Yoshimoto; Kazu Okumura; Miki Niwa
Catal. Today, 2003, [Reviewed]

Catalytic activity of mesoporous silica for synthesis of methyl N-phenyl carbamate from dimethyl carbonate and aniline
Naonobu Katada; Haruhisa Fujinaga; Yukinori Nakamura; Kazu Okumura; Kyoichi Nishigaki; Miki Niwa
Catalysis Letters, May 2002

Application of XANES for the Determination of Oxidation States of Co and Pb in Natural Ferromanganese Nodules
Yoshio Takahashi; Akira Usui; Kazu Okumura; Tomoya Uruga; Masaharu Nomura; Mio Murakami; Hiroshi Shimizu
Chem. Lett., 2002, [Reviewed]

Acid properties and Catalysis of MCM-22 with Different Al Concentration
Kazu Okumura; Masashi Hashimoto; Takayuki Mimura; Miki Niwa
J. Catal., 2002, [Reviewed]

Support Effect of Metal Oxide on the Rh catalysts in the CH4-CO2 Reforming Reaction
Shigeru Yokota; Kazu Okumura; Miki Niwa
Catal. Lett., 2002, [Reviewed]

Control of the Dispersion of Pd through the Interaction with Acid Sites of Zeolite Studied by EXAFS
Kazu Okumura; Miki Niwa
Top. Catal., 2002, [Reviewed]

Improvement of the Catalytic Performance of Pd/WO3/ZrO2 in the Selective NO-CH4-O2 Reaction by the Addition of Water Vapor
Kazu Okumura; Tetsuji Kusakabe; Naoko Yasunobu; Miki Niwa
Chem. Lett., 2001, [Reviewed]

Prominent Catalytic Activity of Ga-containing MCM-41 in the Friedel-Crafts Alkylation
Kazu Okumura; Kyoichi Nishigaki; Miki Niwa
Micropor. Mesopor. Mater., 2001, [Reviewed]

Regulation of the Dispersion of PdO through the Interaction with Acid Sites of Zeolites Studied by Extended X-ray Absorption Fine Structure
Kazu Okumura; Miki Niwa
J. Phys. Chem. B, 2000, [Reviewed]

X-ray Absorption Fine Structure Study of the Formation of the Highly Dispersed PdO over ZSM-5 and the Structural Change of Pd Induced by Adsorption of NO
Kazu Okumura; Jiro Amano; Naoko Yasunobu; Miki Niwa
J. Phys. Chem. B, 2000, [Reviewed]

Influence of acid–base property of support on the toluene combustion activity of palladium
Kazu Okumura; Hideaki Tanaka; Miki Niwa
Catal. Lett., 1999, [Reviewed]

Studies on the Formation and Structure of Highly Dispersed PdO Interacted with Brønsted Acid Sites of Zeolite by EXAFS
Kazu Okumura; Jiro Amano; Miki Niwa
Chem. Lett., 1999, [Reviewed]

Characterization of GeO2 Sub-monolayers on SiO2 Prepared by Chemical Vapor Deposition of Ge(OMe)4 by EXAFS, FT-IR, and XRD
Kazu Okumura; Kiyotaka Asakura; Yasuhiro Iwasawa
Langmuir, 1998, [Reviewed]

Studies on the Structure and Acid Properties of GaMCM-41 Mesoporous Molecular Sieve
Kazu Okumura; Kyoichi Nishigaki; Miki Niwa
Chem. Lett., 1998, [Reviewed]

Reversible structure change of one-atomic layer GeO2 on SiO2 surface under the interaction with Rh particles by in-situ XAFS studies
Kazu Okumura; Kiyotaka Asakura; Yasuhiro Iwasawa
Catal. Today, 1998, [Reviewed]

Reversible Structural Change of Rh Particles Supported on GeO2 Submonolayers/SiO2 in Reduction and Oxidation by XAFS, XRD, TEM and FTIR
Kazu Okumura; Nobuyuki Ichikuni; Kiyotaka Asakura; Yasuhiro Iwasawa
J. Chem. Soc., Faraday trans., 1997, [Reviewed]

Rh/One-atomic Layer GeO2/SiO2 as a New Catalyst for Ethyl Acetate Hydrogenation at a Low Pressure
Kazu Okumura; Kiyotaka Asakura; Yasuhiro Iwasawa
Chem. Lett., 1997, [Reviewed]

Structural Transformation and Low-Pressure Catalysis for Ethyl Acetate Hydrogenation of Rh/One-Atomic-Layer GeO2/SiO2
Kazu Okumura; Kiyotaka Asakura; Yasuhiro Iwasawa
J. Phys. Chem. B, 1997, [Reviewed]

Zirconium Oxides Dispersed on Silica Derived from Cp2ZrCl2, 2, and Zr(OEt)4 Characterized by X-Ray Absorption Fine Structure and Catalytic Ketonization of Acetic Acid
Kazu Okumura; Yasuhiro Iwasawa
J. Catal., 1996, [Reviewed]

Oxidation-resistive copper nanoparticles: photoreduction synthesis and their oxidation state measurements by XAFS and HRTEM
H. Tanaka; T. Aoki; M. Yonemura; M. Miyagawa; K. Okumura
Journal of Physics: Conference Series, 2016

水熱合成法によるファイバー，シート状ニオブ含有酸性タングステン酸化物の調製と触媒作用
Journal of the Society of Inorganic Materials, Japan, 2015

自発的高分散化による金・パラジウムナノ粒子の調製と触媒作用
Mar. 2014

自発的高分散化による金・パラジウムナノ粒子の調製と触媒作用
Mar. 2014

QXAFS法によるUSYゼオライトを担体としたパラジウムの動的挙動解析
2014

ニオブ含有タングステン酸化物の調製と触媒作用
2014

Fabrication and catalytic activity of thermally stable gold nanoparticles on ultrastable Y (USY) zeolites
Takashi Sanada; Chika Murakami; Kinga Góra-Marek; Keiko Iida; Naonobu Katada; Kazu Okumura
Catalysts, 09 Jul. 2013

Application of Solid-State Molybdenum Sulfide Clusters with an Octahedral Metal Framework to Catalysis: Ring-Opening of Tetrahydrofuran to Butyraldehyde
Satoshi Kamiguchi; Kunio Takeda; Ryu Kajio; Kazu Okumura; Sayoko Nagashima; Teiji Chihara
JOURNAL OF CLUSTER SCIENCE, Jun. 2013

Dependence of cracking activity on the Bronsted acidity of Y zeolite: DFT study and experimental confirmation
Miki Niwa; Katsuki Suzuki; Nami Morishita; German Sastre; Kazu Okumura; Naonobu Katada
CATALYSIS SCIENCE & TECHNOLOGY, 2013

Dependence of cracking activity on the Bronsted acidity of Y zeolite: DFT study and experimental confirmation
Miki Niwa; Katsuki Suzuki; Nami Morishita; German Sastre; Kazu Okumura; Naonobu Katada
Catal. Sci. Technol., 2013, [Reviewed]

Bimetallic AuPd Nanocluster Catalysts with Controlled Atomic Gold Distribution for Oxidative Dehydrogenation of Tetralin
Arumugam Murugadoss; Kazu Okumura; Hidehiro Sakurai
JOURNAL OF PHYSICAL CHEMISTRY C, Dec. 2012

Structure of ReOx Clusters Attached on the Ir Metal Surface in Ir-ReOx/SiO2 for the Hydrogenolysis Reaction
Yasushi Amada; Hideo Watanabe; Masazumi Tamura; Yoshinao Nakagawa; Kazu Okumura; Keiichi Tomishige
JOURNAL OF PHYSICAL CHEMISTRY C, Nov. 2012

Formation and Catalysis of Mesoporous Nb-Mo Oxide Generated by the Self-assembly of Nanoparticles
Kazu Okumura; Soichiro Ishida; Yoshitaka Kinoshita; Takashi Sanada; Keiko Iida; Naonobu Katada
CHEMISTRY LETTERS, Sep. 2012

USYゼオライトにおける強酸点の発現と金ナノ粒子の形成
2012

Formation of nanometer-sized Au particles on USY zeolites under hydrogen atmosphere
Kazu Okumura; Chika Murakami; Tetsuya Oyama; Takashi Sanada; Ayano Isoda; Naonobu Katada
GOLD BULLETIN, 2012

Evolution of strong acidity and high-alkane-cracking activity in ammonium-treated USY zeolites
Kazu Okumura; Takuya Tomiyama; Nami Morishita; Takashi Sanada; Kazuhiro Kamiguchi; Naonobu Katada; Miki Niwa
APPLIED CATALYSIS A-GENERAL, Oct. 2011

タングステン酸性酸化物種によるフリーデル・クラフツ反応
2011

Enhancement in Cracking Activity of USY Zeolites Treated with Ammonium Nitrate Solution
Takuya Tomiyama; Kazu Okumura; Miki Niwa
CHEMISTRY LETTERS, Jan. 2011

高活性パラジウム触媒による機能性材料合成反応
2010

Pd/USY触媒による鈴木・宮浦カップリング反応
2010

時分割QXAFS法による高活性パラジウム触媒の形成過程および動的挙動の解明
May 2009

In situ Quick XAFS studies on the structure of Rh supported on zeolites
K Kato; K Okumura; T Sanada; T Murakami; S Ito and M Niwa
Journal of Physics: Conference Series, 2009

時分割XAFS法による高活性パラジウム触媒の形成過程および動的挙動の解明
2009

放射光を利用したXAFSによる触媒の分析
Apr. 2008

Thermodynamic analysis of toluene adsorption on Na-zeo-lites by a temperature-programmed desorption method
YOSHIMOTO Ryosuke; OKUMURA Kazu; KATADA Naonobu; NIWA Miki
10 Mar. 2007

Analysis of Toluene Adsorption on Na-form Zeolite Using Temperature-Programmed Desorption Method
Ryosuke Yoshimoto; Kazuya Hara; Kazu Okumura; Naonobu Katada; Miki Niwa
J. Phys. Chem. C, 2007, [Reviewed]

FUEL 17-A heteropoly acid-derived catalyst active in the various Friedel-Crafts alkylations
Kazu Okumura; Katsuhiko Yamashita; Kazuhiro Yamada; Miki Niwa
ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, Sep. 2006

Spontaneous Dispersion of PdO and Generation of Metal Pd cluster in Zeolites Studied by Means of in situ DXAFS
Kazu Okumura; Ryosuke Yoshimoto; Shigeru Yokota; Kazuo Kato; Hajime Tanida; Tomoya Uruga; Miki Niwa
Physica Scripta, 2005

Catalytic activity and solid acidity of vanadium oxide thin layer loaded on TiO2, ZrO2, and SnO2
Yuko Habuta; Naoaki Narishige; Kazu Okumura; Naonobu Katada; Miki Niwa
Catal. Today, 2003, [Reviewed]

Solid Acidity of Metal Oxide Monolayer and Its Role in Catalytic Reactions
Miki Niwa; Yuko Habuta; Kazu Okumura; Naonobu Katada
Catal. Today, 2003

パラジウムに対するゼオライトの担体効果I パラジウムの構造・触媒反応に及ぼす担体の影響
2001

パラジウムに対するゼオライトの担体効果II ゼオライトの酸点との相互作用によるパラジウムの動的挙動
2001

Chemical Control of Noble Metal Catalysis by Main Group Elements
Kiyotaka Asakura; Kazu Okumura; Tomoya Inoue; Takeshi Kubota; W-J. Chen; Yasuhiro Iwasawa
Mat. Res. Soc. Symp. Proc., 1998

光還元法によるセレン化銅 ナノワイヤ の創製と熱電応用への展開
24 Mar. 2023

Co/MFIゼオライト上でのメタンによるベンゼンメチル化における活性点と反応機構の特徴
16 Mar. 2023

ゼオライトを触媒に用いたアリルアルコールの水酸基置換反応
16 Mar. 2023

水酸化コバルトの自己分散により調製したo/MFI触媒によるベンゼンの直接メチル化反応
15 Mar. 2023

メタンを炭素資源として利用するためのゼオライト触媒の開発
05 Dec. 2022, [Invited]

Co(OAc)2/MFIを触媒に用いたメタンによるベンゼンの直接メチル化反応
26 Sep. 2022

ポリマー保護ナノ粒子を前駆体とした高分散担持Pd触媒の調製
26 Sep. 2022

Formation of the solid solutions of transition metal elements and MgO
Kazu Okumura; Hitomi Hoshi; Takumi Sasaki; Sachiko Morita; Hikaru Iiyoshi
TOCAT9, 29 Jul. 2022

熱処理による Ir,Ptと MgOの固溶体生成
30 Mar. 2022

ポリマー保護ナノ粒子を前駆体とした高分散担持Pd触媒の調製
30 Mar. 2022

ゼオライト担持パラジウム触媒による鈴木カップリング反応における配位子の効果
16 Sep. 2021

β型ゼオライトに担持したパラジウム触媒による鈴木カップリング反応
16 Mar. 2021

ゼオライトに担持した二座ホスフィンを配位子とするPd触媒の調製と触媒反応
16 Mar. 2021

Suzuki-Miyaura Reactions Catalyzed by Pd/USY Zeolites
C&FC2011 Pre-Symposium, 02 Dec. 2011

メタンを還元剤としたPd/モルデナイト触媒によるNO還元反応―シリカCVDによる耐久性の向上―
10 Nov. 2011

アンモニウム塩水溶液処理によるUSYゼオライトの強酸点と高いアルカンクラッキング活性の発現
20 Sep. 2011

Nb2O5-WOx酸化物積層ファイバー触媒によるFriedel-Crafts反応
20 Sep. 2011

NH3 IRMS-TPD法によるUSYゼオライトの酸性質解析
06 Sep. 2011

IRMS-TPD study: Strong acid site of USY zeolite created by the post-treatment of NH4NO3 and its application
K. Okumura; T. Tomiyama; N. Katada; and M. Niwa
FEZA2011, Jul. 2011, FEZA2011z

Pd/USYとNb-W積層ファイバーの構造と触媒作用
29 Jun. 2011

in-situ XAFS測定によるPd/USY触媒の構造解析と鈴木・宮浦カップリング反応に対する触媒活性
18 Mar. 2011

Suzuki-Miyaura Coupling Reactions of Bromonaphthalene and Chlorobenzene Derivatives Performed over Pd/USY Catalysts
Hiroyuki Yoshida; Shizuyo Okuda; Takuya Tomiyama; Kazu Okumura; Miki Niwa
PacifiChem2010, Dec. 2010

Origin of the Excellent Catalytic Activity of Pd Loaded on Ultra-Stable Y Zeolites in Suzuki-Miyaura Reactions
Takuya Tomiyama; Kazu Okumura; Shizuyo Okuda; Hiroyuki Yoshida; Miki Niwa
PacifiChem2010, Dec. 2010

USYゼオライトの硝酸アンモニウム水溶液処理による強酸点の発現
25 Nov. 2010

Hydrothermal synthesis and catalysis of Nb2O5-WOx nanofiber crystal
K. Okumura; T. Tomiyama; S. Shirakawa; M. Niwa
PacifiChem2010, Nov. 2010

ドーソン型ヘテロポリ酸から形成される水に不溶性の固体酸触媒の調製
Nov. 2010

Pd K-,L-edge XAFSによるPd/USY触媒の構造解析
01 Oct. 2010

Atomic Pd loaded on USY zeolites highly active in the Suzuki-Miyaura reaction
Kazu Okumura; Takuya Tomiyama; Miki Niwa
6th IUPAC International Symposium on Noverl Materials and their Synthesis, Oct. 2010

In-situ QXAFSによるUSYゼオライト担持貴金属の,液相還元過程の観察
05 Sep. 2010

Pd K,L-edge XAFSによるPd/USY触媒の構造解析
05 Sep. 2010

Nb-W酸化物ナノファイバー触媒によるフリーデル・クラフツ反応
Sep. 2010

USYゼオライトの硝酸アンモニウム水溶液処理による強酸点の発現
Sep. 2010

気相・液相中におけるPd/ゼオライト触媒のin situ XAFSによる構造解析
07 Aug. 2010

Atomic Pd loaded on USY zeolites highly active in the Suzuki-Miyaura reactions
K. Okumura; T. Tomiyama; M. Niwa
TOCAT6, 23 Jul. 2010

USYゼオライトを担体とした原子状パラジウム触媒による鈴木・宮浦カップリング反応
25 Mar. 2010

in-situ XAFSによるクエン酸添加Co-Mo触媒の硫化挙動の解析
Nov. 2009

In situ X-ray Absorption Spectroscopic Study of Highly Dispersed Pd Species,Active in the Suzuki-Miyaura Reactions
GSC Tottori2009, Nov. 2009

Selective reduction of NO by methane over Pd loaded on,Mordenite active in the presence of water vapor
Nobuyuki Nakashima; Kazu Okumura and Miki Niwa
The 4th Japan-China Workshop on Environmental Catalysis and Eco-Materials, Nov. 2009

ゼオライトにおけるNa の電荷と芳香族化合物吸着熱との相関性
Nov. 2009

水熱処理法により調製したNb2O5-WO3触媒を用いたFriedel-Crafts反応
Oct. 2009

ゼオライトに担持したパラジウム触媒による鈴木・宮浦反応
08 Sep. 2009

ゼオライトに担持した原子状パラジウム触媒による鈴木・宮浦反応
Sep. 2009

Remarkable Enhancement of the Catalytic Activity of Pd/Zeolites in the Mizoroki-Heck Reactions Induced by in situ Activation with Bubbling H2
Kazu Okumura; Yoshinori Enmi; Hirosuke Matsui; Miki Niwa
ZMPC2009, 07 Aug. 2009

その場還元法により形成されたPdクラスター触媒による鈴木・宮浦カップリング反応
Mar. 2009

Highly Active Pd Cluster/Zeolite Catalyst in Suzuki-Miyaura Reactions: Striking Effect Induced by in situ Activation with H2 at Room Temperature
Mar. 2009

パラジウムクラスターのQXAFS法による形成過程観察と触媒反応
10 Dec. 2008

ゼオライト上に形成したPdクラスターによる鈴木・宮浦カップリング反応
Nov. 2008

QXAFS法による室温でのPdクラスターの形成過程解析
Oct. 2008

起動停止耐久性能に優れた燃料電池用Cu-Zn-Al系水性ガスシフト触媒の開発
26 Sep. 2008

シリカ担持Dawson型ヘテロポリ酸触媒によるFreidel-Crafts反応
26 Sep. 2008

QXAFS法による室温でのPdクラスターの形成過程解析
25 Sep. 2008

簡易液相In-situ XAFSによるY型ゼオライト上Pd金属クラスター形成過程の観察とその触媒の利用
25 Sep. 2008

SPring-8 BL14B2におけるガス供給排気装置の紹介
Aug. 2008

Enhancement of the Catalytic Activity of a Dawson-type,Heteropoly Acid Induced by the Loading on a Silica Support
Kazu Okumura; Michiyo Yonekawa; Sho Ito; Miki Niwa
ICC14 Pre-Symposium Kyoto 2008, 09 Jul. 2008

Quick XAFS Studies on the Dynamic Coalescence and Dispersion Behavior of Pd Induced by Interaction with the Framework of USY Zeolite
Kazu Okumura; Kazuo Kato; Takashi Sanada; Miki Niwa
The 14th International Congress on Catalysis, Jul. 2008

Toluene Combustion over Palladium Supported Metal Oxide in the Presence of Water Vapor
Takunari Murakami; Sayaka Miyake; Kazu Okumura; Miki Niwa
The 14th International Congress on Catalysis, Jul. 2008

放射光(in situ XAFS)による触媒の動的構造解析
21 Dec. 2007

QXAFS法によるPd/USYの動的挙動解析
29 Oct. 2007

ヘテロポリ酸分解触媒によるカルボン酸を用いたアシル化反応
Oct. 2007

in situ XAFSによる触媒活性種の構造解析
Sep. 2007

QXAFS法による金属担持ゼオライト触媒における動的挙動観察
Sep. 2007

QXAFS法によるゼオライト担体での金属クラスターの成長過程観察
Jul. 2007

ヘテロポリ酸フラグメント触媒(H4PNbW11O40-WO3-Nb2O5)の酸性質の解析
Mar. 2007

Cu-Zn-Al 系シフト触媒の反応及びスチーム雰囲気下での酸化還元挙動の検討
Mar. 2007

A Heteropoly Acid-Derived Catalyst Active in the Various Friedel-Crafts Alkylations
Kazu Okumura; Katsuhiko Yamashita; Kazuhiro Yamada; Miki Niwa
232nd National ACS meeting, Sep. 2006

H4PNbW11O40を前駆体とした新規酸触媒の調製とフリーデル・クラフツ反応への利用
Sep. 2006

ヘテロポリ酸分解触媒によるカルボン酸を用いたアシル化反応
Sep. 2006

Quick XAFS法による酸化還元反応下における合金触媒の液相in situ構造解析
Sep. 2006

In-situ XAFS によるスチーム雰囲気下でのCu系シフト触媒の物性変化
Sep. 2006

Measurement of the amount and strength of adsorption of toluene over zeolite by Toluene-TPD
Ryosuke Yoshimoto; Kazu Okumura; Naonobu Katada; and Miki Niwa
ZMPC2006, Aug. 2006

A “Heteropoly Acid-Fragment Catalyst” Active in the Friedel-Crafts Alkylation
K. Okumura; K. Yamashita; K. Yamada; M. Niwa
TOCAT5, Jul. 2006

ヘテロポリ酸フラグメント触媒によるフェノールのアルキル化反応
Mar. 2006

Active and Reusable Catalyst in the Benzylation of Anisole Derived from a Heteropoly Acid
Katsuhiko Yamashita; Kazu okumura; Miho Hirano; Miki Niwa
Pacifichem 2005, Dec. 2005

XAFS Studies on the Clustering Process of Noble Metals Supported on Zeolit
Kazuo Kato; Kazu Okumura; Miki Niwa
Pacifichem 2005, Dec. 2005

Quick XAFS Studies on the Y-Type Zeolite Supported Au Catalysts for CO-O2 Reaction
Kazu Okumura; katsuhiko Yoshino; Miki Niwa
Pacifichem 2005, Dec. 2005

QXAFS法によるゼオライトを担体とした金属クラスターの形成過程観察
Nov. 2005

Pd loaded on high silica beta support active for the total oxidation of diluted methane in the presence of water vapor
K. Okumura; E. Shinohara; M. Niwa
6th International Workshop on Catalytic Combustion, Sep. 2005

新規ヘテロポリ酸誘導触媒による酸触媒反応
Sep. 2005

Pd loaded on high silica beta support active, for the total oxidation of diluted methane in the presence of water vapor
M. Niwa; E. Shinohara; K. Okumura
5th International Conference on Oxidation Catalysis, Sep. 2005

Active and Reusable Catalyst in the Benzylation of Anisole Derived from a Heteropoly Acid
Kazu Okumura; Katsuhiko Yamashita; Miho Hirano and Miki Niwa
The 10th Japan-Korea Symposium on Catalysis, 11 May 2005

Quick XAFS Studies on the Y-Type Zeolite Supported Au Catalysts for CO-O2 Reaction
Kazuo Kato; Kazu Okumura; Katsuhiko Yoshino and Miki Niwa
The 10th Japan-Korea Symposium on Catalysis, 11 May 2005

Simultaneous Abatement of NO and Aromatic Hydrocarbons at Low Temperature over Pd Supported Catalyst
Ryosuke Yoshimoto; Takashi Ninomiya; Kazu Okumura; Miki Niwa
The 10th Japan-Korea Symposium on Catalysis, 10 May 2005

Nb2O5-WO3及びNb2O5-MoO3の酸性質とFriedel-Crafts反応
Mar. 2005

Quick XAFS法による酸化還元反応下における貴金属触媒の液相in situ構造解析
Mar. 2005

金ゼオライト触媒のQXAFS測定とCO酸化反応
Mar. 2005

ヘテロポリ酸担持Pd触媒によるメタンを用いたNOの選択的還元反応
Mar. 2005

QXAFSおよびDXAFS法によるゼオライトでのAu,Pdクラスターの動的挙動観察
25 Dec. 2004

SPring-8 BL01B1におけるQuick XAFSの現状
25 Dec. 2004

さまざまなゼオライトを担体としたPd触媒によるHeck反応
Sep. 2004

ヘテロポリ酸担持Pd触媒によるメタンを用いたNOの選択的還元反応
Sep. 2004

ゼオライト細孔内に生成したPdクラスターによるHeck反応
Sep. 2004

QXAFS法によるゼオライト担体での金クラスターの成長過程観察
Sep. 2004

Nb2O5‐WO3触媒によるアニソールのベンジル化反応
Sep. 2004

SPring-8 BL01B1 におけるQuick XAFS の現状
Jul. 2004

ゼオライト担持Pd触媒による希薄メタンの燃焼反応
Mar. 2004

担持酸化二オブ触媒によるアニソールのベンジル化反応
Mar. 2004

さまざまなゼオライトを担体としたPd触媒によるHeck反応
Mar. 2004

水熱合成法で調製したPd/WO3/ZrO2によるNO-CH4-O2（H2O）反応
Mar. 2004

Pd/ヘテロポリ酸/酸化物触媒でのCH4によるNO還元反応
Sep. 2003

DXAFSによるゼオライト上でのPdクラスター生成過程の観察
Sep. 2003

DXAFSによるゼオライト細孔内での金属Pdクラスターの生成過程観察
Sep. 2003

Spontaneous Dispersion of PdO on the Acid Sites of Zeolites ,Studied by Means of in-situ Dispersive XAFS
Kazu Okumura; Ryosuke Yoshimoto; Tetsuji Kusakabe; and Miki Niwa
XAFS12, Jun. 2003

Pd担持WO3/ZrO2触媒でのNO-CH4-O2反応における水蒸気の耐久性への影響
Mar. 2003

ゼオライトを担体としたPd触媒によるHeck反応
Mar. 2003

Pd触媒の炭化水素燃焼反応における担体効果
Mar. 2003

Pd/WO3/ZrO2触媒でのNO-CH4-O2反応における水蒸気の影響
Oct. 2002

修飾βゼオライトの固体酸性質と触媒作用
Sep. 2002

さまざまな担体上に生成した金属Pd微粒子触媒によるベンゼン水素化活性
Sep. 2002

塩基性酸化物上のV2O5モノレイヤーの固体酸性質発現と触媒活性
Sep. 2002

ゼオライトを担体としたAgクラスターの生成
Sep. 2002

CH4-CO2リフォーミング反応における担持Rh触媒の担体効果
Sep. 2002

Metal-Support Interaction in the Toluene Combustion over Palladium Catalysts
Kazu Okumura; Takeshi Kobayashi; Hideaki Tanaka and Miki Niwa
TOCAT4, Jul. 2002

CH4-CO2リフォーミング反応におけるRh担持触媒のCe,La添加効果
Mar. 2002

ZrO2を担体としたPd触媒におけるトルエン燃焼反応
Mar. 2002

ゼオライトの固体酸点による金属・金属酸化物のサイズの制御
Nov. 2001

ゼオライトの固体酸点による金属・金属酸化物のサイズの制御
Sep. 2001

Pd触媒での炭化水素燃焼反応に対するゼオライトの担体効果
Mar. 2001

Combustion of Methane over Palladium Loaded on Mordenite and ZSM-5: Support Effect
Kazu Okumura; Sachi Matsumoto; Miki Niwa
Pacifichem 2000, Dec. 2000

Pd/ZSM-5触媒でのゼオライトの酸点がPdの分散状態に及ぼす影響
Sep. 2000

Prominent Catalytic Activity of Ga-containing MCM-41 in the Friedel-Crafts Alkylation
K. Okumura; K. Nishigaki; and M. Niwa
International Symposium on Mesoporous Molecular Sieves, Aug. 2000

Pd/HZSM-5でのメタン燃焼反応,選択的NO還元反応に対する活性Pd種のXAFSによる検討
Mar. 2000

ゼオライトの酸点との相互作用によるPdOクラスターの安定化
Mar. 2000

ことなる調製法によりGaを導入したMCM-41のFriedel-Craftsアルキル化活性
Mar. 2000

Al濃度の異なるMCM-22の構造、固体酸性質、および触媒活性の研究
Nov. 1999

Al濃度の異なるMCM-22の構造、固体酸性質、および触媒活性の研究
Nov. 1999

Pd/HZSM-5でのNO還元反応に対する活性Pd種のXAFSによる検討
Sep. 1999

Pd/ゼオライト触媒でのメタン燃焼活性とPdOのサイズに及ぼす酸点の影響
Sep. 1999

ZrO2を担体としたPd触媒によるトルエン燃焼反応
Sep. 1999

Pd/HZSM-5でのゼオライトの酸点と吸着NOが及ぼすPdの局所構造変化
Jul. 1999

Studies on the Acid Property and Catalysis of Ga-MCM-41
Kazu Okumura; Kyoichi Nishigaki and Miki Niwa
日韓触媒会議, May 1999

Ga-MCM-41の酸性質とルイス酸触媒活性
Mar. 1999

Ga-MCM-41触媒でのフリーデルークラフツ反応に及ぼす細孔径の影響
Mar. 1999

ゼオライト及び、金属酸化物を担体とした炭化水素燃焼用Pd触媒の担体効果
Nov. 1998

Ga-MCM-41の酸性質とルイス酸触媒活性
Sep. 1998

Pd担持触媒の炭化水素燃焼反応に対する担体効果
Sep. 1998

Ga2O3薄層/SiO2上でのRh微粒子の構造変化と触媒作用
Mar. 1997

ZrO2/SiO2(モノマー、ダイマー、薄層)触媒上でのカルボン酸のケトン転換反応機構
Sep. 1994

固定化2核Zr錯体の調製とキャラクタリゼーション
Sep. 1992

特開 2013-209743, USYゼオライトを担体とした自発的高分散化による金ナノ粒子の調製方法、金ナノ粒子

特願2010-190045, ゼオライト触媒およびその生産方法

特願2010-515758, ヘテロポリ酸分解触媒及びそれを用いるディーゼル燃料油の製造方法

特願2010-69415, ゼオライト－パラジウム複合体、その複合体の製造方法、その複合体を含む触媒、およびその触媒を用いるカップリング化合物の製造方法

特願2005-075976, アルキル化反応用触媒およびアルキル置換芳香族化合物の製造方法

Mar. 2007
Japan

01 Apr. 2022 - 31 Mar. 2025
自己分散を利用した担持金属触媒の再生技術の確立

01 Apr. 2019 - 31 Mar. 2022
Formation of zeolite-immobilized complex catalysts utilizing the flexibility of molecules for carbon-carbon bond formation reaction
Grant-in-Aid for Scientific Research (C), Kogakuin University

01 Apr. 2018 - 31 Mar. 2022
Heterogeneous basic catalysis of Fluoro-perovskite prepared by mechano-chemical technique
Grant-in-Aid for Scientific Research (C), Kogakuin University

01 Apr. 2016 - 31 Mar. 2019
Environmentally benign ketone synthesis by layered fiber oxide catalyst with unique structure
Grant-in-Aid for Scientific Research (C), Kogakuin University

01 Apr. 2014 - 31 Mar. 2016
Production of paraxylene from methane
Grant-in-Aid for Challenging Exploratory Research, Tottori University

01 Apr. 2012 - 31 Mar. 2015
Creation of the noble metal nano particles through spontaneous dispersion
Grant-in-Aid for Scientific Research (C)

01 Apr. 2011 - 31 Mar. 2015
Design and development of supported catalysts due to computational physics and experiments for save and reuse of rare elements for catalyst
Grant-in-Aid for Scientific Research (A), Tottori University

18 Nov. 2011 - 31 Mar. 2014
Design of Acid Site in Zeolite for Cracking of Heavy Oil
Grant-in-Aid for Scientific Research (B), Tottori University

2009 - 2011
Fabrication of highly active metal cluster catalysts through fine tuning of the atom numbers
Grant-in-Aid for Scientific Research (C), Tottori University

2009 - 2011
Study on the zeolite acidity and the catalytic activity by a combined method of IRMS-TPD of ammonia experiment and DFT calculation
Grant-in-Aid for Scientific Research (B), Tottori University

2008 - 2010
Analysis of factors controlling the acid strength of zeolite
Grant-in-Aid for Scientific Research (C), Tottori University

2006 - 2008
Developments in the Active Catalyst Derived from Heteropoly Acids
Grant-in-Aid for Young Scientists (B), Tottori University

2006 - 2008
Development of Advanced Technique to Measure the Solid Acidity and Derived Study on the Acid Site Generation Mechanism
Grant-in-Aid for Scientific Research (A), Tottori University

2005 - 2007
Development of a next generation cracking catalyst based on analysis of acidic property and structure of active site on USY zeolite
Grant-in-Aid for Scientific Research (C), Tottori University

2005 - 2006
DXAFS法によるゼオライトでの金属ナノクラスターの動的構造変化観察

2001 - 2003
Catalysis by Ultra Strong Acid Sitcs in Zeotite Crystals
Grant-in-Aid for Scientific Research (B), Tottori University

2001 - 2003
ハロゲンフリープロセスのための触媒反応場設計

1999 - 2000
Requlation and Cotolysis of Strong Solid Acid Generated on Extra-Framework Aluminum
Grant-in-Aid for Scientific Research (C), Tottori University

1998 - 2000
Prodical Application of Environmental Catalysis through the Chemical Vapor Deposition of Silica
Grant-in-Aid for Scientific Research (B)., Tottori University

1997 - 1997
テンプレートつきシリカ蒸着で表面構造を規制した酸化スズの分子認識センシング機能

1997 - 1997
シリカの化学蒸着による耐熱疎水性反応場の構築とその環境触媒への応用