| 退火对TiO2纳米管/线复合阵列表面光电性质的影响 |
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| 引用本文： | 杨峰,蔡芳共,柯川,赵勇,程翠华.退火对TiO2纳米管/线复合阵列表面光电性质的影响[J].高等学校化学学报,2011,32(11):2581-2585. |
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| 作者姓名： | 杨峰 蔡芳共 柯川 赵勇 程翠华 |
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| 作者单位： | 1. 西南交通大学超导与新能源研究开发中心,材料先进技术教育部重点实验室,成都610031
2. 西南交通大学超导与新能源研究开发中心,材料先进技术教育部重点实验室,成都610031;新南威尔士大学材料科学与工程学院,悉尼2052 |
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| 基金项目： | 国家自然科学基金(批准号:50588201,50872116); 中央高校基本科研业务费专项资金(批准号:2009QK46,SWJTU09ZT24)资助 |
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| 摘 要： | 采用阳极氧化法制备了TiO2纳米管/线复合阵列.利用表面光电压谱(SPS)和场诱导表面光电压谱(FISPS)研究了退火对TiO2纳米管/线复合阵列表面光电性质的影响.结果表明,TiO2纳米管/线复合阵列在晶化前后的导带边缘均出现了束缚激子态,晶化前由于自建场较弱,束缚激子态能在正负电场作用下发生不对称偏转；晶化后,晶体...
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| 关 键 词： | 表面光伏 场诱导表面光电压谱 TiO2纳米管/线复合阵列 束缚激子 |
| 收稿时间： | 2011-05-05 |
Effects of Annealing on the Surface Photoelectronic Properties of TiO_2 Nanotube/Nanowire Composite Arrays |
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| YANG Feng,CAI Fang-Gong,KE Chuan,ZHAO Yong,CHENG Cui-Hua.Effects of Annealing on the Surface Photoelectronic Properties of TiO_2 Nanotube/Nanowire Composite Arrays[J].Chemical Research In Chinese Universities,2011,32(11):2581-2585. |
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| Authors: | YANG Feng CAI Fang-Gong KE Chuan ZHAO Yong CHENG Cui-Hua |
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| Institution: | YANG Feng1,CAI Fang-Gong1,KE Chuan1,ZHAO Yong1,2,CHENG Cui-Hua1,2 (1.Key Laboratory of Advanced Technology of Materials,Ministry of Education,Superconductivity and New Energy R & D Center,Southwest Jiaotong University,Chengdu 610031,China,2.School of Materials Science and Engineering,University of New South Wales,Sydney 2052,Australia) |
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| Abstract: | TiO2 nanotube/nanowire composite arrays were fabricated on the Ti substrate via anodic oxidation method.Annealing effects on the surface photoelectronic properties of TiO2 nanotube/nanowire composite arrays were studied by surface photovoltage spectrum(SPS) and the electrical field induced surface photovoltage spectrum(FISPS).The results show that the bound excitons exist at the edge of conduction band both in as-prepared and annealed TiO2 nanotube/nanowire composite arrays.The build-in field in as-prepared... |
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| Keywords: | Surface photovoltage Field induced surface photovoltage TiO2 nanotube/nanowire composite array Bound exciton |
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