高等学校化学学报 ›› 1993, Vol. 14 ›› Issue (7): 978.

• 研究论文 • 上一篇    下一篇

阳极氧化膜In2O3(Ⅰ)——膜的形成和电子性质

林仲华, 罗瑾, 陈海漪, 田昭武   

  1. 厦门大学化学系, 物理化学研究所 厦门 361005
  • 收稿日期:1992-09-22 修回日期:1993-03-18 出版日期:1993-07-24 发布日期:1993-07-24
  • 通讯作者: 林仲华
  • 作者简介:第一作者:男, 52岁, 教授
  • 基金资助:

    国家自然科学基金

Anodic Oxide Film In2O3 (Ⅰ)——Preparation and Electronic Properties of the Film

LIN Zhong-Hua, LUO Jin, CHEN Hai-Yi, TIAN Zhao-Wu   

  1. Department of Chemistry, Institute of Physical Chemistry, Xiamen University, Xiamen, 361005
  • Received:1992-09-22 Revised:1993-03-18 Online:1993-07-24 Published:1993-07-24

摘要: 利用循环伏安法和X射线光电子能谱技术(XPS)研究In在碱性溶液中的电极反应,结果表明通过阳极氧化可在In电极表面形成In2O3膜.探讨能获得较高光电转换量子效率的In2O3膜的电化学制备方法,并利用Mott-Schottky图、光电流谱和电反射光谱的测量测定膜的半导电性质.

关键词: 铟电极, 氧化铟膜, 光电化学

Abstract: The electrode reactions of indium in alkaline solution have been studied by using cyclic voltammetry and XPStechnique.The results show that the In2O3 film can be obtained by means of the anodic oxidation.The preparation methods were optimized in order to form an In2O3 film with high quantum efficiencies for the photoelectrochemical oxygen evolution.The semiconducting properties of the In2O3 anodic film and the thermally oxidized In2O3 anodic film were investigated through Mott-Schottky plots, photocurrent response and spectra, and electroreflectance spectra.The anodic film possesses the two kinds of donor and the indirect fundamental optical transition (Eg=2.88 eV) which becomes direct (Eg=3.68 eV) after thermally oxidation of the film.

Key words: Indium electrode, Indium oxide film, Photoelectrochemistry

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