Fabrication of Pt-based model catalyst surface and chemical reaction for hydrogen cycle process

• Project/Area Number: 18360361
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Metal making engineering
• Research Institution: Tohoku University
• Principal Investigator: WADAYAMA Toshimasa Tohoku University, 大学院・工学研究科, 准教授 (20184004)
• Co-Investigator(Kenkyū-buntansha): 田邊 匡生 東北大学, 大学院・工学研究科, 助教 (10333840)
• Project Period (FY): 2006 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥15,440,000 (Direct Cost: ¥13,700,000、Indirect Cost: ¥1,740,000); Fiscal Year 2008: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000); Fiscal Year 2007: ¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000); Fiscal Year 2006: ¥7,900,000 (Direct Cost: ¥7,900,000)
• Keywords: 燃料電池電極触媒 / 分子線エピタキシ / 白金 / 鉄 / 赤外反射吸収 / 反射高速電子線回折 / 低速電子線回折 / 昇温脱離 / 一酸化炭素 / Pt / fcc-Fe / 赤外線反射吸収 / 電子線回折 / 燃料電池電極

Research Abstract

本研究はクリーンエネルギー源としての水素の有効利用に必須である触媒開発を念頭に、Ptをベースとする2元合金モデル触媒表面を構築しその化学特性を検討したものである。具体的には、超高真空中で表面科学の手法に基づき原子レベルで構造を規定したPt-Fe表面を分子線エピタキシ(MBE)法により作製し、その表面分子挙動と最表面構造との関係について議論した。その結果、高温で熱処理したPt-Fe合金最表面は基板Pt原子が表面偏析して生じたPtスキン層が生成し、特異な分子挙動を示し触媒特性の改善に関与することを明らかにした。

Research Products

• [Journal Article] IRRAS and TPD Investigations of Carbon Monoxide Adsorption on MBE grown Fe on Pt(100) (2009)
  • Author(s): T.Wadayama, H.Yoshida, N.Todoroki, S.Oda
  • Journal Title: e-J.Surf.Sci. & Nanotech 7 Pages: 245-248
  • NAID: 130004934018
  • Peer Reviewed
• [Journal Article] Infrared Reflection Absorption Study for Carbon Monoxide Adsorption on Chromium Deposited Cu(100) Surfaces (2009)
  • Author(s): T.Wadayama, H.Yoshida, N.Todoroki, S.Oda
  • Journal Title: Mat.Trans. 50 Pages: 819-824
  • Peer Reviewed
• [Journal Article] IRRAS and TPD Investigations of Carbon Monoxide Adsorption on MBE grown Fe on Pt(100) (2009)
  • Author(s): T. Wadayama, H. Yoshida, N. Todoroki, S. Oda
  • Journal Title: e-J. Surface Science and Nanotechnology 7 Pages: 245-248
  • NAID: 130004934018
  • Peer Reviewed
• [Journal Article] Infrared Reflection Absorption Study for Carbon Monoxide Adsorption on Chromium Deposited Cu(100) surfaces (2009)
  • Author(s): T. Wadayama, H. Yoshida, N. Todoroki, S. Oda
  • Journal Title: Materials Transactions 50 Pages: 819-824
  • Peer Reviewed
• [Journal Article] Infrared reflection absorption study of carbon monoxide adsorption on Fe-deposited Pt(111) surface (2008)
  • Author(s): T.Wadayama, H.Osano, K.Murakami,T.Maeyama, H.Yoshida
  • Journal Title: J.Phys., Conf.Ser. 100 Pages: 12007-12007
  • Peer Reviewed
• [Journal Article] Carbon Monoxide Adsorption on Pd-deposited Cu(110) Surface : Infrared Reflection Absorption and Temperature (2008)
  • Author(s): T.Wadayama, H.Osano, H.Yoshida, S.Oda, N.Todoroki
  • Journal Title: Appl.Surf.Sci 254 Pages: 5380-5384
  • Peer Reviewed
• [Journal Article] Infrared Reflection-Absorption Study of Carbon Monoxide on Fe/Pt(111)Bimetallic Surfaces (2008)
  • Author(s): T.Wadayama, H.Osano, T.Maeyama, H.Yoshida K.Murakami, S.Oda, N.Todoroki
  • Journal Title: J.Phys.Chem.C 112 Pages: 8944-8950
  • Peer Reviewed
• [Journal Article] Infrared Reflection-Absorption Study of Carbon Monoxide on Fe / Pt(111) Bimetallic Surfaces (2008)
  • Author(s): T. Wadayama, H. Osano, T. Maeyama, H. Yoshida, K. Murakami, S. Oda, N. Todoroki
  • Journal Title: Journal of Physical Chemistry C 112 Pages: 8944-8950
  • Peer Reviewed
• [Journal Article] Infrared reflection absorption study of carbon monoxide adsorption on Fe-deposited Pt(111)surface (2008)
  • Author(s): T. Wadayama, H. Osano, K. Murakami, T. Maeyama, H. Yoshida
  • Journal Title: Journal of Physics, Conference Series 100
  • Peer Reviewed
• [Journal Article] Carbon Monoxide Adsorption on Pd-deposited Cu(110)Surface: Infrared Reflection Absorption and Temperature Programmed Desorption Studies (2008)
  • Author(s): T. Wadayama, H. Osano, H. Yoshida S. Oda, N. Todoroki
  • Journal Title: Applied Surface Sci (印刷中)
  • Peer Reviewed
• [Presentation] Co堆積Pt単結晶表面の構造と分子挙動 (2009)
  • Author(s): 吉田弘智、小川浩一郎、和田山智正
  • Organizer: 日本金属学会
  • Place of Presentation: 東京工業大学
  • Year and Date: 2009-03-29
• [Presentation] Fe族金属を堆積したPt(100)表面上におけるCOの吸着脱離挙動 (2008)
  • Author(s): 吉田弘智、轟直人、小川浩一郎、和田山智正
  • Organizer: 触媒材料研究会
  • Place of Presentation: 一ノ関
  • Year and Date: 2008-11-11
• [Presentation] Infrared Reflection Absorption Spectral Study for CO Adsorption on Pd/Pt(111) Bimetallic Surfaces (2008)
  • Author(s): T.Todoroki, H.Yoshida, S.Oda, T.Wadayama
  • Organizer: 4th Vacuum and Surface Sciences Conference of Asia and Australia
  • Place of Presentation: Matsue
  • Year and Date: 2008-10-28
• [Presentation] Fe族金属を堆積したPt(100)表面上におけるCOの吸着脱離挙動 (2008)
  • Author(s): 吉田弘智、轟直人、小川浩一郎、和田山智正
  • Organizer: 日本金属学会
  • Place of Presentation: 熊本大学
  • Year and Date: 2008-09-24
• [Presentation] IRRAS and TPD Investigations of Carbon Monoxide Adsorption on MBE grown Fe on Pt(100) (2008)
  • Author(s): T.Wadayama
  • Organizer: 14^<th> International Conference on Surface and Thin Films
  • Place of Presentation: Dublin(Ireland)
  • Year and Date: 2008-06-30
• [Presentation] IRRAS and TPD Investigations of Carbon Monoxide Adsorption on MBE grown Fe on Pt(100) (2008)
  • Author(s): T. Wadayama
  • Organizer: 14_<th> International Conference on Surface and Thin Films
  • Place of Presentation: Trinity College, Dublin Ireland
  • Year and Date: 2008-06-30
• [Presentation] 原子レベルでの表面構造設計と機能 : 規則表面合金系のMBE構築と化学特性 (2008)
  • Author(s): 和田山智正
  • Organizer: 日本金属学会
  • Place of Presentation: 武蔵工業大学
  • Year and Date: 2008-03-27
• [Presentation] Pd-Cu(110)系の表面構造とCO分子の吸着脱離挙動 (2007)
  • Author(s): 吉田弘智、小田省吾、轟直人、和田山智正
  • Organizer: 日本金属学会
  • Place of Presentation: 岐阜大学
  • Year and Date: 2007-09-20
• [Presentation] Infrared reflection absorption study of carbon monoxide adsorption on Fe-deposited Pt(111)surface (2007)
  • Author(s): T. Wadayama
  • Organizer: 17th International Vacuum Conference
  • Place of Presentation: Stockholm国際見本市会場
  • Year and Date: 2007-07-05
• [Presentation] Infrared reflection absorption study of carbon monoxide adsorption on Fe-deposited Pt(111) surface (2007)
  • Author(s): T.Wadayama
  • Organizer: 17^<th> International Vacuum Conference
  • Place of Presentation: Stockholm(Sweden)
  • Year and Date: 2007-07-03
• [Presentation] Fe-Pt表面系のMBE構築と吸着CO分子の赤外スペクトル (2007)
  • Author(s): 小佐野寛志、村上幸司、前山俊明、吉田弘智、和田山智正
  • Organizer: 日本金属学会
  • Place of Presentation: 千葉工業大学
  • Year and Date: 2007-03-28
• [Presentation] Fe-Pt表面合金の作製と吸着CO分子の赤外スペクトル (2006)
  • Author(s): 小佐野寛志、村上幸司、前山俊明、吉田弘智、和田山智正
  • Organizer: 日本金属学会
  • Place of Presentation: 東京工業大学
  • Year and Date: 2006-09-15