ZnO/TiO2纳米管晶膜电极的制备及光电性能

doi:10.3724/SP.J.1077.2012.00585

无机材料学报 ›› 2012, Vol. 27 ›› Issue (6): 585-590.DOI: 10.3724/SP.J.1077.2012.00585 CSTR: 32189.14.SP.J.1077.2012.00585

ZnO/TiO₂纳米管晶膜电极的制备及光电性能

赵丽^1,2, 范佳杰², 李静¹, 戴国田¹, 王世敏¹

(1. 湖北大学功能材料绿色制备与应用省部共建教育部重点实验室, 武汉 430062; 2. 武汉理工大学材料复合新技术国家重点实验室, 武汉 430070)

收稿日期:2011-07-14 修回日期:2011-09-18 出版日期:2012-06-20 网络出版日期:2012-05-07
作者简介:赵丽(1976-), 女, 博士. E-mail: zhaoli7376@163.com
基金资助:
国家自然科学基金(51102087); 973计划(2010CB234606); 博士后科学基金(20100471164); 湖北省教育厅科学技术研究计划项目(Q20091007, Z20101001); 武汉市学科带头人计划(201051730551)

Preparation and Photoelectric Properties of ZnO/TiO₂ Nanotubes Film Electrodes

ZHAO Li^1,2, FAN Jia-Jie², LI Jing¹, DAI Guo-Tian¹, WANG Shi-Min¹

(1. Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials, Hubei University, Wuhan 430062, China; 2. State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China)

Received:2011-07-14 Revised:2011-09-18 Published:2012-06-20 Online:2012-05-07
About author:ZHAO Li. E-mail: zhaoli7376@163.com
Supported by:
National Natural Science Foundation of China (51102087); 973 Program (2010CB234606); China Postdoctoral Science Foundation Funded Project (20100471164); Educational Commission of Hubei Province of China (Q20091007, Z20101001); Wuhan Science and Technology Bureau of Hubei Province of China (201051730551)

摘要/Abstract

摘要： 采用水热法制备了ZnO纳米棒, 以ZnO纳米棒为原料制备出ZnO/TiO₂纳米管晶膜电极并应用于染料敏化太阳能电池. 用扫描电镜(SEM)、X射线衍射仪(XRD)、X射线能谱仪(EDX)和N2吸脱附分析等研究了样品的结构、表面形貌和化学组成, 并通过紫外?可见光度计和电化学工作站探讨了煅烧温度在80 ~ 600℃范围内ZnO/TiO₂纳米管电极的光电化学性能. 此外, 研究经TiCl₄化学处理的ZnO/TiO₂纳米管电极光电性能的改善情况. 结果表明, 600℃煅烧的ZnO/TiO₂纳米管电极制备的染料敏化太阳能电池表现出较优的光电性能, 其短路电流密度(J_sc)为 2.28 mA/cm², 开路电压(V_oc)为0.631 V, 光电转换效率η为0.66%. 600℃煅烧的ZnO/TiO₂纳米管经TiCl₄处理后的染料敏化太阳能电池的光电性能得到显著改善, 其光电转换效率η提高到1.06%.

关键词: ZnO/TiO₂纳米管电极, 煅烧温度, 光电性能, TiCl₄, 热处理

Abstract: ZnO/TiO₂ nanotubes were prepared using ZnO nanorods as raw materials, which were synthesized by hydrothermal methods. Then its performance as an electrode of a dye-sensitized solar cell was investigated. The obtained products were characterized by SEM, XRD, EDX and N₂ adsorption. Furthermore, the photoelectric properties of ZnO/TiO₂ nanotubes film electrodes calcined at different temperatures were investigated by UV-Vis adsorption spectra and electrochemical workstation. It is found that the DSSC based on ZnO/TiO₂ nanotubes calcined at 600℃ have optimum photoelectric properties, J_sc=2.28 mA/cm² and V_oc= 0.631 V, yielding the 0.66% maximum conversion efficiency. Additionally, after TiCl₄ posttreatment, the performance of DSSC made from ZnO/TiO₂ nanotubes are improved obviously and the photoelectric conversion efficiency is up to 1.06%.

Key words: ZnO/TiO₂ nanotubes, calcination temperature, photoelectric properties, TiCl₄, heat-treatment

中图分类号:

O643

赵丽, 范佳杰, 李静, 戴国田, 王世敏. ZnO/TiO₂纳米管晶膜电极的制备及光电性能[J]. 无机材料学报, 2012, 27(6): 585-590.

ZHAO Li, FAN Jia-Jie, LI Jing, DAI Guo-Tian, WANG Shi-Min. Preparation and Photoelectric Properties of ZnO/TiO₂ Nanotubes Film Electrodes[J]. Journal of Inorganic Materials, 2012, 27(6): 585-590.

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ZnO/TiO₂纳米管晶膜电极的制备及光电性能

Preparation and Photoelectric Properties of ZnO/TiO₂ Nanotubes Film Electrodes

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