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

页码：1693 / 1697

页数：5

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