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llye88

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[交流] J Mater Chem: 新型(有机、聚合物、钙钛矿)太阳能电池准确测量的方法 已有3人参与

Toward reliable and accurate evaluation of polymer solar cells based on low band gap polymers

Long Ye,ad   Chengyue Zhou,b   Haifeng Meng,*c   Heng-Hsin Wu,b   Chi-Ching Lin,b   Hua-Hsien Liao,b   Shaoqing Zhang a and   Jianhui Hou*a  

a. Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China  中科院化学所
b. Enli Technology Co. Ltd., Kaohsiung 821, Taiwan 台湾光焱科技有限公司
c. National Institute of Metrology, Beijing 100029, China 中国计量科学院
d. University of Chinese Academy of Sciences, Beijing 100049, P. R. China 中国科学院大学

Along with the advances in polymer solar cells (PSCs), the accurate evaluation of novel photovoltaic polymers with various band gaps is an important issue that should be concerned, as well as needs to be addressed at various research laboratories in the world. In this work, we have focused on PSCs by employing some of the most efficient and well-known low band gap (LBG) polymers, for instance, PBDTTT-C-T, PBDTBDD, PDPP3T, PTB7-Th, PSBTBT and PBDTTPD, and obtained the corresponding spectral-mismatch factors (MMFs) under various reference cell/solar simulator combinations. Generally, there still exists ±25% spectral error even for a simulator whose spectrum grade is labeled as AAA. The best way to accurately evaluate the power conversion efficiencies (PCEs) of LBG polymers is by choosing a combination of a spectral-matched-silicon-solar-cell (match to LBG polymer's spectral responsivity spectrum) and a Class AAA solar simulator. Furthermore, our results could provide guidance for the accurate measurements of organic molecules, perovskites, and related photovoltaic technologies.

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  • 2014-11-27 14:35:00, 1.26 M

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youyu222

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