Surface Chemistry of Alkyl-Passivated Silicon Nanoparticles Studied by Synchrotron-Radiation Photoelectron Spectroscopy(Condensed matter: electronic structure and electrical, magnetic, and optical properties)

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概要

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• We have carried out the synchrotron-radiation photoemission studies of n-butyl-passivated Si nanoparticles synthesized by solution routes. After exposure to ambient air, the oxygen contaminants on the present nanoparticle surfaces have been confirmed by Fourier transform infrared and valence-band photoemission spectra, and we have observed an additional feature near the Fermi level in the valence-band photoemission spectrum. This result gives a direct evidence of oxygen-contaminants-induced states in the vicinity of Fermi level that recent theoretical works has predicted. From these results, the detailed surface chemistry of surface-passivated Si nanoparticles is discussed.

• 社団法人日本物理学会の論文
• 2008-09-15

著者

• TANAKA Akinori

  Department of Chemical Science and Technology, Faculty of Engineering, Kyushu University

• Tanaka Akinori

  Department Of Physics Graduate School Of Science Tohoku University

• Tanaka Akinori

  Department Of Mechanical Engineering Graduate School Of Engineering Kobe University:organization Of

• TAKASHIMA Naoya

  Department of Mechanical Engineering, Graduate School of Engineering, Kobe University

• IMAMURA Masaki

  Department of Mechanical and Systems Engineering, Graduate School of Science and Technology, Kobe Un

• KITAGAWA Takanobu

  Department of Mechanical Engineering, Graduate School of Engineering, Kobe University

• MURASE Yoshiaki

  Department of Mechanical Engineering, Graduate School of Engineering, Kobe University

• YASUDA Hidehiro

  Department of Mechanical Engineering, Graduate School of Engineering, Kobe University

• Imamura Masaki

  Department Of Mechanical And Systems Engineering Graduate School Of Science And Technology Kobe Univ

• Murase Yoshiaki

  Department Of Mechanical Engineering Graduate School Of Engineering Kobe University

• Yasuda Hidehiro

  Department Of Mechanical Engineering Graduate School Of Engineering Kobe University:organization Of

• Kitagawa Takanobu

  Department Of Mechanical Engineering Graduate School Of Engineering Kobe University

• Takashima Naoya

  Department Of Mechanical Engineering Graduate School Of Engineering Kobe University

• Tanaka Akinori

  Department Of Applied Quantum Physics Kyushu University

• Yasuda Hidehiro

  Department of Materials Science and Engineering, Faculty of Engineering, Osaka University, Suita 565

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