Effect of Oxygen Pressure During Oxidation Process on Photo-anodic Polarization of TiO2 Films Formed by High Temperature Oxidation.

• HARA Motoi

  Mining College, Akita Univ.

• TADENUMA Kentaro

  Graduate School, Akita Univ.

• SATO Yoshiyuki

  Mining College, Akita Univ.

• NAKAGAWA Tokiko

  Mining College, Akita Univ.

Bibliographic Information

Other Title

• 高温酸化により作製したＴｉＯ２皮膜の光アノード分極特性に及ぼす作製時における酸素分圧の効果
• コウオン サンカ ニ ヨリ サクセイシタ TiO2 ヒマク ノ ヒカリ アノー

Abstract

The effect of oxygen pressure during oxidation on the photo-anodic polarization behavior of TiO₂ films formed by high-temperature oxidation was investigated in a Na₂SO₄ solution. Large photoanodic currents were observed for films formed by oxidation at low oxygen pressures. The donor concentration in films increased with the decrease in oxygen pressure during oxidation. This corresponded to the increase in the photoanodic current. The increase in photoanodic current with decreasing oxygen pressure during film formation was therefore explained by the photoanodic reaction model in which the reaction proceeded through the surface state corresponding to excessive titanium ions on the film surface.

Journal

• Journal of The Surface Finishing Society of Japan

  Journal of The Surface Finishing Society of Japan 47 (11), 957-962, 1996

  The Surface Finishing Society of Japan

Keywords

• Photoelectrochemistry
• Titanium Oxide
• Oxide Film
• High Temperature Oxidation
• Ion Defect

Details

• CRID: 1390001204115437952
• NII Article ID: 10002257542
• NII Book ID: AN1005202X
• DOI: 10.4139/sfj.47.957
• COI: 1:CAS:528:DyaK28XnsVGlurk%3D
• ISSN: 18843409
• ISSN: 09151869
• NDL BIB ID: 4087652
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I4087652
• Text Lang: ja
• Data Source:
  • JaLC
  • NDL
  • Crossref
  • CiNii Articles
• Abstract License Flag: Disallowed