Metal-to-Oxide Charge Transfer Observed by a Kelvin Probe Force Microscope |
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| Authors: | Akira Sasahara Kumiko Hiehata Hiroshi Onishi |
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| Institution: | (1) Department of Chemistry, Graduate School of Science, Kobe University, Rokko-dai, Nada, Kobe 657-8501, Japan;(2) Japan Science and Technology Agency, Kawaguchi Saitama, 332-0012, Japan;(3) Present address: School of Materials Science, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi 923-1292, Japan |
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| Abstract: | The charge transfer from a nanometer-sized transition metal particle to a catalyst support is thought to affect reactions
over the metal surface. We propose the application of Kelvin probe force microscope, which is an extension of the atomic force
microscope, to observe the charge transfer particle-by-particle. Our recent results on Na adatoms, Cl adatoms, Pt adatoms
and particles, and Ni particles evaporated on TiO2(110) are reviewed. |
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| Keywords: | Characterization Chemical shift Charge transfer XPS Scanning Probe Microscope Atomic force microscope Sodium Chlorine Platinum Nickel Titanium oxide |
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