| TiO_2纳米管薄膜的制备及其光电性能研究 |
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| 引用本文： | 王立新,郑言贞,陶霞,陈建峰. TiO_2纳米管薄膜的制备及其光电性能研究[J]. 北京化工大学学报(自然科学版), 2010, 37(1): 42-45. DOI: 10.3969/j.issn.1671-4628.2010.01.010 |
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| 作者姓名： | 王立新 郑言贞 陶霞 陈建峰 |
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| 作者单位： | 北京化工大学 纳米材料先进制备技术与应用科学教育部重点实验室， 北京 100029 |
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| 基金项目： | 国家“863”计划(2007AA03Z343);;国家自然科学基金(20776014) |
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| 摘 要： | 将水热法制备的TiO2纳米管在600℃下焙烧,用焙烧产物制备染料敏化太阳能电池中的薄膜电极,同时与未焙烧的TiO2纳米管制备的薄膜电极进行光电性能比较。结果表明,600℃焙烧纳米管产物制备的薄膜电极短路电流和开路电压分别达到17.45mA/cm2和0.60V,光电转化效率提高到5.65%,高于未焙烧的TiO2纳米管制备的薄膜电极相应值,且机械性能良好,不易剥落。
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| 关 键 词： | TiO_2 形貌 染料敏化太阳能电池 转化效率 |
| 收稿时间： | 2009-03-16 |
Photoelectric properties of TiO_2 nanotube films |
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| WANG LiXin,ZHENG YanZhen,TAO Xia,CHEN JianFeng. Photoelectric properties of TiO_2 nanotube films[J]. Journal of Beijing University of Chemical Technology, 2010, 37(1): 42-45. DOI: 10.3969/j.issn.1671-4628.2010.01.010 |
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| Authors: | WANG LiXin ZHENG YanZhen TAO Xia CHEN JianFeng |
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| Affiliation: | Key Laboratory for Nanomaterials, Ministry of Education, Beijing University of Chemical Technology, Beijing 100029, China |
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| Abstract: | TiO_2 nanotubes were prepared via a hydrothermal reaction, and then sintered at 600 ℃. The resulting product was used to make the working electrode in dye-sensitized solar cells. The photoelectric properties of TiO_2 nanotubes with and without sintering were compared. It was found that TiO_2 films composed of TiO_2 nanotubes sin-tered at 600 ℃ exhibited a light-to-electricity conversion efficiency of 5.65% with a short-circuit current of 17.45 mA/cm~2 and an open-circuit voltage of 0.60 V; these values are much higher than those obtained using the non-sin-tered TiO_2 nanotubes. TiO_2 films composed of TiO_2 nanotubes sintered at 600 ℃ were also observed to possess better mechanical properties and did not flake off easily. |
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| Keywords: | titanium dioxide morphology solar cell conversion efficiency |
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