聚芳香炔铂太阳能电池的制备与性能

高等学校化学学报 ›› 2010, Vol. 31 ›› Issue (9): 1855.

聚芳香炔铂太阳能电池的制备与性能

谢普会¹, 郭丰启²

1. 河南农业大学理学院, 郑州 450002;
2. 郑州大学化学系光电功能材料实验室, 郑州 450001

收稿日期:2009-11-26 出版日期:2010-09-10 发布日期:2010-09-10
通讯作者: 谢普会, 女, 博士, 副教授, 主要从事有机高分子功能材料研究. E-mail: pxie2007@yahoo.com.cn
基金资助:
教育部留学回国人员科研启动基金(批准号: ([2008]890, [2009]8)资助.

Preparation and Properties of Polymer Solar Cells Based on Pt(Ⅱ) Containing Polyarylacetylene

XIE Pu-Hui^1*, GUO Feng-Qi²

1. College of Sciences, Henan Agricultural University, Zhengzhou 450002, China;
2. Department of Chemistry, Zhengzhou University, Zhengzhou 450001, China

Received:2009-11-26 Online:2010-09-10 Published:2010-09-10
Contact: XIE Pu-Hui. E-mail: pxie2007@yahoo.com.cn
Supported by:
教育部留学回国人员科研启动基金(批准号: ([2008]890, [2009]8)资助.

摘要/Abstract

摘要： 设计合成了2种聚芳香炔铂共轭高分子给体(聚合物1, 3)和一种芳香炔铂共轭高分子受体(聚合物2), 并对其光物理特性进行了研究. 聚合物3被激发后, 与聚合物2之间既可以发生激发单重态-单重态的电子转移, 也可以发生激发三重态-三重态的电子转移. 分别对聚芳香炔铂共轭高分子给体和芳香炔铂共轭高分子受体组成的太阳能电池的特性进行了研究. 其弱的光伏特性归因于明显的激发单重态-单重态电子转移过程及此类高分子较低的导电特性. 电致发光实验结果表明, 聚合物3的阳离子自由基主要由其激发三重态决定.

关键词: 聚芳香炔铂共轭高分子, 光诱导电子转移, 激发三重态, 光电性质

Abstract: Three conjugated platinum containing polyarylacetylene were designed and synthesized. The absorption maxima were located at 433 nm for polymer 1, 411 nm for polymer 2 and 492 nm for polymer 3, attributed to their π-π* transition along the long axis. The photoluminescence of polymers 1 and 3 were dominated by phosphorescence. The fluorescence of polymer 3 was greatly quenched by polymer 2, at the same time the phosphorescence was slightly quenched. Both the triplet-triplet and singlet-singlet quenching mechanisms were involved in the photoinduced electron transfer process from excited polymer 3 to 2. The photo-electric properties of the solar cells fabricated with polymers 3 and 2 or with polymers 1 and 2 were investigated. Under the Air mass(AM) 1.5 illumination, the cell based on ITO/PEDOT∶PSS/3∶2/KF/Al generated a short circuit current density of 0.0045 mA/cm², an open circuit voltage of 0.89 V and a maximum overall power conversion efficiency of 0.1%. The weak photovoltaic features were attributed to the low conductive properties of the polymers, which was supported by the results of the electroluminescence experiment for polymer 3, and to the major singlet-singlet electron transfer process from excited polymer 3 to 2.

Key words: Pt-polyarylacetylene, Photoinduced electron transfer, Excited triplet state, Photo-electric property

TrendMD:

谢普会, 郭丰启. 聚芳香炔铂太阳能电池的制备与性能. 高等学校化学学报, 2010, 31(9): 1855.

XIE Pu-Hui*, GUO Feng-Qi. Preparation and Properties of Polymer Solar Cells Based on Pt(Ⅱ) Containing Polyarylacetylene. Chem. J. Chinese Universities, 2010, 31(9): 1855.

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