高等学校化学学报

高等学校化学学报 ›› 1999, Vol. 20 ›› Issue (10): 1625.

• 研究快报 • 上一篇    下一篇

偏振光作用下金红石型TiO2单晶(001)面的表面光电压谱研究

回峥1, 徐金杰1, 谢腾峰1, 王德军1, 李铁津1, 孙家锺2   

  1. 1. 吉林大学化学系, 长春 130023;
    2. 吉林大学理论化学研究所, 长春 130023
  • 收稿日期:1999-06-25 出版日期:1999-10-24 发布日期:1999-10-24
  • 通讯作者: 王德军
  • 作者简介:回峥,男,28岁,博士研究生.
  • 基金资助:

    吉林省科技发展计划基金

Studies of Surface Photovoltage Spectroscopy on the TiO2Single Crystal(001) Surface

HUI Zheng1, XU Jin-Jie1, XIE Teng-Feng1, WANG De-Jun1, LI Tie-Jin1, SUN Jia-Chong2   

  • Received:1999-06-25 Online:1999-10-24 Published:1999-10-24

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关键词: TiO2单晶, 偏振光电压谱, 表面态

Abstract: We used polarized surface photovoltage spectroscopy (PSPS) to study the photo-voltage response of TiO2single crystal (001) surface. Besides a band-band transition at 355 nm and a indirect transition at 410 nm, we observed a new photovoltaic response at 380 nm in the PSPS spectrum which was assigned to the transition with relation to the surface state. Under different polarized directions, the intensity of photovoltaic responses at 380 nm and 410 nm changed regularly, which proved that the two transitions were interrelated to the atomic arrangement on the TiO2single crystal (001) surface.

Key words: TiO2single crystal, Polarized surface photovoltage spectroscopy, Surface state

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