Dynamical Analysis of Reaction Sites of Nano-paticulate Gold Catalyst

2008 Fiscal Year Final Research Report

• Project/Area Number: 19760022
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Thin film/Surface and interfacial physical properties
• Research Institution: Nagoya University
• Principal Investigator: KAWASAKI Tadahiro Nagoya University, 大学院・工学研究科, 助教 (10372533)
• Project Period (FY): 2007 – 2008
• Keywords: 電子顕微鏡 / 触媒反応 / 動的観察 / 原子構造解析

Research Abstract

本研究は、ナノサイズの金超微粒子に見られる非常に高い触媒活性の発現機構を解明することを目指し、同触媒が反応している状況を"その場"で電子顕微鏡観察することにより、反応中の挙動を明らかにしようとするものである。そのために、通常、真空中に置かれる電子顕微鏡試料を反応ガス雰囲気にするための装置を開発し、動的観察を行った。

Research Products

• [Journal Article] First Observation of Dynamic Shape Changes of a Gold Nano-particle Catalyst under Reaction Gas Environment by Transmission Electron Microscopy (2008)
  • Author(s): Kouta Ueda, Tadahiro Kawasaki, Hitoshi Hasegawa, Takayoshi Tanji and Mikio Ichihashi
  • Journal Title: Surface and Interface Analysis 40 Pages: 1725-1727
  • Peer Reviewed
• [Journal Article] Aberration Analysis of Cs-corrector System with Twin Hexapoles and Transfer Lens Doublet in Scanning Transmission Electron Microscope by Simple Ray Tracing Based on Geometrical Optics (2008)
  • Author(s): Tadahiro Kawasaki, Mikio Ichihashi, Takaomi Matsutani, Yoshihide Kimura and Takashi Ikuta
  • Journal Title: Surface and Interface Analysis 40 Pages: 1732-1735
  • Peer Reviewed
• [Journal Article] Evaluation of annular pupil for scanning transmission electron microscope formed by focused ion beam technique (2008)
  • Author(s): Takaomi Matsutani, Masaki Taya, Takashi Ikuta, Tetsuya Fujimura, Hrihiko Inui, Takeo Tanaka, Ippei Shimizu, Yoshihide Kimura, Yoshizo Takai, Tadahiro Kawasaki, Mikio Ichihashi
  • Journal Title: Vacuum 83 Pages: 201-204
  • Peer Reviewed
• [Journal Article] 集束イオンビームを用いた電子光学系輪帯瞳用アパーチャの作製 (2007)
  • Author(s): 藤原誠、田中武雄、志水一平、松谷貴臣、日坂真樹、安江常夫、生田孝、田屋昌樹、木村吉秀、高井義造、川〓忠寛、市橋幹雄
  • Journal Title: 真空 (J. Vac. Sco. Jpn) 50 Pages: 639-643
  • Peer Reviewed
• [Presentation] Dynamic Observation of Nano-particulate Gold Catalysts under Reaction and Non-reaction Conditions by Environmental-cell TEM (2008)
  • Author(s): Tadahiro Kawasaki, Hitoshi Hasegawa and Takayoshi Tanji
  • Organizer: 9th Asia-Pacific Microscopy Conference
  • Place of Presentation: Korea
  • Year and Date: 2008-11-06
• [Presentation] In-situ Observation of Nano-particulate Gold Catalysts during Reaction by Closed-type Environmental-cell Transmission Electron Microscope (2008)
  • Author(s): Tadahiro Kawasaki, Hitoshi Hasegawa, Kouta Ueda and Takayoshi Tanji
  • Organizer: 14th Europian Microscopy Congress 2008
  • Place of Presentation: Germany
  • Year and Date: 2008-09-01
• [Presentation] In-situ Observation of Nano-particulate Gold Catalysts under Reaction and Non-reaction Gas Conditions (2008)
  • Author(s): Tadahiro Kawasaki, Hitoshi Hasegawa, Kouta Ueda and Takayoshi Tanji
  • Organizer: Microscopy and Microanalysis 2008
  • Place of Presentation: USA
  • Year and Date: 2008-08-03
• [Presentation] Dynamic Observation of Gold Nano-particle Catalysts under Reaction Gas Environment by Transmission Electron Microscopy (2007)
  • Author(s): Tadahiro Kawasaki, Kouta Ueda, Hitoshi Hasegawa and Takayoshi Tanji
  • Organizer: International Symposium on EcoTopia Science 2007
  • Place of Presentation: JAPAN
  • Year and Date: 2007-11-24
• [Presentation] First Observation of Dyanamic Shape Change of Gold Nano-particle Catalyst under Reaction Gas Environment by Transmission Electron Microscopy (2007)
  • Author(s): Kouta Ueda, Tadahiro Kawasaki, Hitoshi Hasegawa, Takayoshi Tanji, and Mikio Ichihashi
  • Place of Presentation: JAPAN
  • Year and Date: 2007-10-28
• [Presentation] In-situ Observation of Gold Nano-particle Catalysts under Reaction Gas Environment by High-Resolution Closed-type Environmental-Cell Transmission Electron Microscope (2007)
  • Author(s): Tadahiro Kawasaki, Kouta Ueda, Hitoshi Hasegawa and Takayoshi Tanji
  • Place of Presentation: PERU
  • Year and Date: 2007-09-25
• [Presentation] In-situ Observation of Gold Nano-particle Catalysts by High-Resolution Closed-type Environmental-Cell Transmission Electron Microscope (2007)
  • Author(s): Tadahiro Kawasaki, Kouta Ueda, Hitoshi Hasegawa, Takayoshi Tanji, and Mikio Ichihashi
  • Place of Presentation: USA
  • Year and Date: 2007-08-06
• [Patent(Industrial Property Rights)] 薄膜形成方法、電子顕微鏡用試料 ホルダおよびその形成方法 (2008)
  • Inventor(s): 川〓忠寛、上田浩大、丹司敬義
  • Industrial Property Rights Holder: JST
  • Industrial Property Number: 特許, 特願2008-060306
  • Filing Date: 2008-03-10
• [Patent(Industrial Property Rights)] 電子顕微鏡用試料ホルダ (2008)
  • Inventor(s): 川〓忠寛
  • Industrial Property Rights Holder: JST
  • Industrial Property Number: 特許, 特願2008-226466
  • Filing Date: 2008-09-03