Electronic Interaction between Metal Additives and Tin Dioxide in Tin Dioxide-Based Gas Sensors : Surfaces, Interfaces and Films

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概要

• 論文の詳細を見る

• The electronic interaction of SnO_2 with Ag and Pd particles dispersed on its surface was examined by means of X-ray photoelectron spectroscopy (XPS). The binding energies (BE) of Sn3d and O1s of Ag(1.5 wt%)-SnO_2 and Pd(3.0 wt%)-SnO_2, which were lower by 0.5-0.7 eV than those of pure SnO_2 in the as-prepared state, shifted reversibly by reduction and oxidation treatments. These shifts in BE are shown to reflect the shifts of Fermi energy of SnO_2 which are interacting electronically with the metal additives. The electronic interaction depended on the metal loading, being strongest at 1.5 wt% and 3.0 wt% loadings of Ag and Pb, respectively. The implication is that the electronic interaction is of primary importance to the inflammable gas detection by Ag-SnO_2 sensors.

• 社団法人応用物理学会の論文
• 1988-10-20

著者

• Yamazoe Noboru

  Department of Energy and Material Sciences, Faculty of Engineering Sciences, Kyushu University

• Miura Norio

  Department Of Materials Science And Technology Graduate School Of Engineering Sciences Kyushu Univer

• Miura Naruhisa

  Advanced Technology R&d Center Mitsubishi Electric Corporation

• Teraoka Yasutake

  Department Of Energy And Material Sciences Faculty Of Engineering Science Kyushu University

• Teraoka Yasutake

  Department Of Applied Chemistry Faculty Of Engineering

• Teraoka Yasutake

  Department Of Industrial Chemistry Faculty Of Engineering Nagasaki University

• Teraoka Yasutake

  Department Of Applied Chemistry

• Matsushima Shigenori

  Department Of Applied Chemistry Ehime University

• Matsushima Shigenori

  Department Of Materials Science And Technology Graduate School Of Engineering Sciences Kyushu Univer

• Miura N

  Advanced Technology R&d Center Mitsubishi Electric Corporation

• Teraoka Y

  Nagasaki Univ. Nagasaki

• Yamazoe N

  Department Of Energy And Material Sciences Faculty Of Engineering Science Kyushu University

• YAMAZOE Noboru

  Department of Energy and Material Sciences, Faculty of Engineering Science, Kyushu University

• Miura Norio

  Department of Applied Chemistry, Hiroshima University

• Yamazoe Noboru

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

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