Depressed carrier recombination for organic solar cells by doping IEICO-4F molecule

被引：2
作者：
Zheng, Qiao [1 ,2 ]
Chen, Peng-Sen [1 ,2 ]
Huang, Jin-Gang [1 ]
Du, Shun-Li [1 ]
Zhou, Hui [1 ]
Deng, Hui [1 ]
Zhang, Cai-Xia [1 ]
Wu, Jiong-Hua [1 ]
Cheng, Shu-Ying [1 ,2 ]
机构：
[1] Fuzhou Univ, Coll Phys & Informat Engn, Fuzhou 350108, Fujian, Peoples R China
[2] Collaborat Innovat Ctr Photovolta Sci & Engn, Changzhou 213164, Jiangsu, Peoples R China
来源：
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS | 2023年 / 34卷 / 05期
基金：
中国国家自然科学基金;
关键词：
ACCEPTOR; FULLERENE; PHOTOVOLTAICS; EFFICIENT; GAP;
D O I：
10.1007/s10854-022-09705-5
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The organic solar cells achieve a higher power conversion efficiency (PCE) by introducing a slight of IEICO-4 F molecule into the PTB7-Th:PC71BM blended. The doping amount of IEICO-4 F is 0-10 wt%. The champion PCE of the device with 7 wt% IEICO-4 F doped can reach 9.8%, which is 15% higher than that of the device without doped. The device doped with IEICO-4 F has a significant improvement in short-circuit current density as a result of IEICO-4 F effectively depresses the carrier recombination of the active layer and enhances the capability of charge extraction of the devices.
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页数：7
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