物理化学学报 >> 2011, Vol. 27 >> Issue (10): 2360-2366.doi: 10.3866/PKU.WHXB20111023

电化学和新能源 上一篇    下一篇

温度对多硫电解质及量子点敏化太阳能电池性能的影响

史继富, 万青翠, 徐刚, 徐雪青, 樊晔   

  1. 中国科学院广州能源研究所, 中国科学院可再生能源与天然气水合物重点实验室, 广州 510640
  • 收稿日期:2011-06-09 修回日期:2011-07-18 发布日期:2011-09-27
  • 通讯作者: 徐刚, 徐雪青 E-mail:xugang@ms.giec.ac.cn; xuxq@ms.giec.ac.cn
  • 基金资助:

    国家自然科学基金(21073193, 21103194), 广东省科技计划(2009B011100005)和中国科学院广州能源研究所所长创新基金(y007r71001)资助项目

Influence of Temperature on the Properties of Polysulfide Electrolyte and Quantum Dot Sensitized Solar Cells

SHI Ji-Fu, WAN Qing-Cui, XU Gang, XU Xue-Qing, FAN Ye   

  1. Guangzhou Institute of Energy Conversion, Key Laboratory of Renewable Energy and Gas Hydrate, Chinese Academy of Sciences, Guangzhou 510640, P. R. China
  • Received:2011-06-09 Revised:2011-07-18 Published:2011-09-27
  • Contact: XU Gang, XU Xue-Qing E-mail:xugang@ms.giec.ac.cn; xuxq@ms.giec.ac.cn
  • Supported by:

    The project was supported by the National Natural Science Foundation of China (21073193, 21103194), Science and Technology Program of Guangdong Province, China (2009B011100005) and Director Innovation Foundation of Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences (y007r71001).

摘要: 采用电化学的方法研究了温度对多硫电解质导电性能及量子点敏化太阳能电池光电性能的影响. 结果表明: 随着温度的升高, 电解质的电导率逐步升高, 多硫离子在电解质中的扩散阻力变小; 另外, 随着温度的升高, 量子点敏化太阳能电池的光电转化效率逐渐降低, 这主要是由于在较高的温度下, 电池的暗反应逐渐增大和量子点的脱附引起的.

关键词: 量子点敏化太阳能电池, 温度, 电解质, 电导率, 阻抗

Abstract: We studied the influence of temperature on the conductivity of a polysulfide electrolyte and the photovoltaic performance of quantum dot sensitized solar cells by electrochemical methods. The results indicate that the conductivity of the electrolyte increases and the diffusion impedance of the polysulfide ions in the electrolyte decreases with an increase in the temperature. Moreover, the photoelectric conversion efficiency of the quantum dot sensitized solar cells decreases when the temperature increases. This phenomenon is mainly caused by a more serious back reaction and the desorption of quantum dots at higher temperatures.

Key words: Quantum dot sensitized solar cell, Temperature, Electrolyte, Conductivity, Impedance

MSC2000: 

  • O646