高等学校化学学报

高等学校化学学报 ›› 1999, Vol. 20 ›› Issue (9): 1458.

• 研究快报 • 上一篇    下一篇

TiO2单晶的表面光电压谱研究

回峥, 徐金杰, 谢腾峰, 王德军, 李铁津, 孙家锺   

  1. 吉林大学化学系, 理论化学研究所, 长春 130023
  • 收稿日期:1999-05-12 出版日期:1999-09-24 发布日期:1999-09-24
  • 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资助

Studies on the Surface of TiO2(001) Single Crystal by Surface Photovoltage Spectroscopy

HUI Zheng, XU Jin-Jie, XIE Teng-Feng, WANG De-Jun, LI Tie-Jin, SUN Chia-Chung   

  1. Department of Chemistry, Institute of Theoretical Chemistry, Jilin University, Changchun 130023, China
  • Received:1999-05-12 Online:1999-09-24 Published:1999-09-24

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关键词: TiO2单晶, 表面光电压港, 电场场诱导表面光电谱

Abstract: Tio2(001) surface of rutile TiO2single crystals was studied by surface photovoltage spectrum (SPS) and electrical field-induced surface photovoltage spectrum (EFISPS)techni(lue.The two SPS responses peak at 360 nm and 410 nm were identified as direct transition and indirect transition of TiO2(001) plane, respectively.And it was found that the indirect transition of TiO2was very sensitive to the external electrical field.These results indicate that SPSand EFlSPSare effective means to study the opto-electrical characteristics ofsemico nd uctors.

Key words: TiO2single crystals, Surface photovoltage spectroscopy, Electrical fleld-induced surface photovoltage spectroscopy

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