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1995 Fiscal Year Final Research Report Summary

STM Study of Industrial Solid Catalysts through the Construction of Model Systems

Research Project

Project/Area Number 06650897
Research Category

Grant-in-Aid for General Scientific Research (C)

Allocation TypeSingle-year Grants
Research Field 触媒・化学プロセス
Research InstitutionYamanashi University

Principal Investigator

KOMIYAMA Masaharu  Yamanashi Univ. Chem. Dept. ASST PROF., 教育学部, 助教授 (60150257)

Project Period (FY) 1994 – 1995
KeywordsScanning Tunneling Microscopy / Sillica / Alumina / Platinum / Ultrafine Particles / Thin Films
Research Abstract

The present research aims at constructing model industrial catalyst systems suitable for STM examinations, thereby advancing STM applications to the examinations of practical industrial catalyst research.
As most common industrial catalysts, supported metal catalysts were chosen. Silica and alumina were chosen as support materials, and Pt as metal catalyst component. Model supported metal catalysts composed of these constituents, and their STM images were obtained.
STM examinations of nonconductive materials such as silica and alumina were made possible by making them as very thin films. Tunneling mechanism of such thin nonconductive films were also examined. As preparation techniques for the model supported catalysts vacuum deposition was found most varsatile.
With the developments of these methodologies, it became possible to obtain information on atom arrangements and local electronic structures of catalyst surfaces that have not been possible with other existing methods. This gives rise to the expectations that heterogeneous catalyst reactions which are highly localized in nature may be examined and understood at atomic level.

  • Research Products

    (12 results)

All Other

All Publications (12 results)

  • [Publications] M.Komiyama: "Construction of Model Supported Metal Catalysts forSTM Examinations" J.Vac.Sci.Technol.B. 12. 1869-1871 (1994)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] M.Komiyama: "Atomic Force Microscopy Images of Natural Zeolite Surfaces Observed under Ambient Conditions" Jpn.J.Appl.Phys.33. 3761-3763 (1994)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] M.Komiyama: "Tunneling-electron-induced Adsorption of Pyridine on a Hydrogen-terminated Silicon Surface" J.Vac.Sci.Technol.B. 12. 1866-1868 (1994)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] M.Komiyama: "STM Observation and Its Imaging Mechanism of Alumina and Platinum-on-Alumina Model Catalyst Surfaces" Chem.Lett.1421-1424 (1994)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] M.Komiyama: "Quantum Chemical Approach to the Intepretation of the STM tunneling Mechanism" Catalysis Today. 23. 365-370 (1995)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] M.Komiyama: "Simulation of Atomic Force Microscopy Image Variations along the Surface Normal" Jpn.J.Appl.Phys.34. L789-L792 (1995)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] M.Komiyama: "Atomic Force Microscopy Images of Natural Zeolite Surfaces Observed under Ambient Conditions" Jpn. J.Appl. Phys.33. 3761-3763 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] M.Komiyama: "Tunneling Electron-Induced Adsorption of Pyridine on Hydrogen-Terminated Sillicon Surface" J.Vac. Sci. Technol.12. 1866-1868 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] M.Komiyama: "Construction of Model Supported Metal Catalysts for STM Examinations" J.Vac. Sci. Technol. 12. 1869-1871 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] M.Komiyama: "STM Observation and Its Imaging Mechanism of Alumina and Platinum-on-Alumina Model Catalyst Surfaces" Chem. Lett.1421-1424 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] M.Komiyama: "Quantum Chemical Approach to the Interpretation of STM Images : MOPAC Calculations on Silica/silicon Interface" Catalysis Today. 23. 365-370 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] M.Komiyama: "Simulation of Atomic Force Microscopy Image Variations along the Surface Normal : Presence of Possible Resolution Limit in the Attractive Force Range" Jpn. J.Appl. Phys.34. L789-L792 (1995)

    • Description
      「研究成果報告書概要(欧文)」より

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Published: 1997-03-04  

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