The improved efficiency of low molecular weight organic solar cells doped with a Cu(I) triplet material

被引：0
|
作者：
Su, Bin [1 ,2 ]
Gao, Lin [1 ]
Li, Xiuying [2 ]
Che, Guangbo [2 ]
Zhu, Enwei [2 ]
Wang, Bo [2 ]
Yan, Yongsheng [1 ]
机构：
[1] Jiangsu Univ, Sch Chem & Chem Engn, Zhenjiang 212013, Jiangsu, Peoples R China
[2] Jilin Normal Univ, Key Lab Preparat & Applicat Environm Friendly Mat, Siping 136000, Jilin, Peoples R China
来源：
RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A | 2016年 / 90卷 / 08期
关键词：
organic solar cell; Cu(I) complex; doping; power conversion efficiency; PHOTOVOLTAIC CELLS; LAYER; COMPLEXES;
D O I：
10.1134/S0036024416080045
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
We developed a method to improve the performance of the copper phthalocyanine (CuPc)/fullerene (C-60) organic solar cells (OSCs) by doping CuPc with a long triplet lifetime material. By doping [Cu(bis[2-(diphenylphosphino)phenyl]ether)(benzo[i]dipyrido[3,2-a:2',3'-c]phenazine)]BF4 (CuDB) into CuPc, the enhanced short-circuit current density (J (SC)) of 6.213 mA/cm(2), open-circuit voltage (V (OC)) of 0.39 V and a peak power conversion efficiency (PCE) of 0.92% compared to 0.79% of the standard CuPc/C-60 OSCs are achieved under 1 sun AM 1.5 G illumination at an intensity of 100 mW/cm(2). The performance improvement is mainly attributed to the long triplet lifetime of CuDB (tau = 70.05 mu s) which leads to more effective exciton dissociation.
引用
收藏
页码：1693 / 1697
页数：5
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