Efficient Solution-Processed Small-Molecule Solar Cells with Inverted Structure

被引:475
作者
Kyaw, Aung Ko Ko [1 ,2 ]
Wang, Dong Hwan [1 ]
Gupta, Vinay [1 ,3 ]
Zhang, Jie [2 ]
Chand, Suresh [3 ]
Bazan, Guillermo C. [1 ]
Heeger, Alan J. [1 ]
机构
[1] Univ Calif Santa Barbara, Ctr Polymers & Organ Solids, Santa Barbara, CA 93106 USA
[2] Inst Mat Res & Engn A STAR, Singapore 11760, Singapore
[3] CSIR Natl Phys Lab, Organ & Hybrid Solar Cell Grp, New Delhi 110012, India
关键词
solution-processed small molecule; inverted solar cell; ZnO sol-gel; polyelectrolyte; POLYMER PHOTOVOLTAIC CELLS; OPEN-CIRCUIT VOLTAGE; HIGH-PERFORMANCE; SELF-ORGANIZATION; HIGHLY EFFICIENT; OXIDE; COMBINATION; DEPENDENCE; NETWORK; CATHODE;
D O I
10.1002/adma.201300295
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
We successfully demonstrate inverted structure small-molecule (SM) solar cells with an efficiency of 7.88% using ZnO and PEIE as an interfacial layer. Modification of ZnO with a cost-effective PEIE thin layer increases the efficiency of the inverted cell as a result of reducing the work function of the cathode and suppressing the trap-assisted recombination. In addition to the high efficiency, the inverted SM solar cells are relatively stable in air compared to conventional cells.
引用
收藏
页码:2397 / 2402
页数:6
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