Investigation of multi-donor bulk-heterojunction photovoltaic cells based on P3HT:PCBM system

被引：5

作者：

Zhao, Yun ^{[1
]}

Wang, Xingyong ^{[1
]}

Shu, Fangliang ^{[1
]}

机构：

[1] China Univ Min & Technol, Sch Chem Engn & Technol, Xuzhou 221008, Peoples R China

来源：

SOLAR ENERGY MATERIALS AND SOLAR CELLS | 2011年 / 95卷 / 02期

关键词：

Photovoltaic cells; Conjugated polymer; Multi-donor; Energy transfer; POLYMER SOLAR-CELLS; ORGANIC PHOTOVOLTAICS; PERFORMANCE; NETWORK;

D O I：

10.1016/j.solmat.2010.10.002

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

(2,7-bis[5'(9,9-dioctylfluorene-2-yl)-2,2'-dithienyl-5-yl]-9,9-dioctylfluorene) (F3Th4) was used as a secondary electron donor material in the poly(3-hexylthiophene) (P3HT):[6,6]-phenyl C61-butyric acid methyl ester (PCBM) bulk-heterojunction photovoltaic cell. It is shown that the combination of F3Th4 with P3HT allows strong light absorption. The mechanism of charge transfer in the multi-donor PV cell was investigated; it shows that efficient energy transfer takes place from F3Th4 to P3HT. However, the short-circuit current (J(SC)) of the multi-donor bulk-heterojunction photovoltaic (PV) cell still decreased. The possible reason for the smaller photocurrent is worsening of transport property after addition of F3Th4. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：684 / 687

页数：4

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