A Non-Fullerene Small Molecule as Efficient Electron Acceptor in Organic Bulk Heterojunction Solar Cells

被引：169
|
作者：
Zhou, Yan [2 ]
Ding, Lin [2 ]
Shi, Ke [2 ]
Dai, Ya-Zhong [2 ]
Ai, Na [1 ]
Wang, Jian [1 ]
Pei, Jian [2 ]
机构：
[1] S China Univ Technol, Inst Polymer Optoelect Mat & Devices, State Key Lab Phys & Chem Luminescence, Guangzhou 510640, Peoples R China
[2] Peking Univ, Key Lab Bioorgan Chem & Mol Engn, Minist Educ, Coll Chem, Beijing 100871, Peoples R China
来源：
ADVANCED MATERIALS | 2012年 / 24卷 / 07期
基金：
中国国家自然科学基金;
关键词：
solar cells; self-assembly; p-interaction; electron acceptor; phase separation; PHOTOVOLTAIC CELLS; DERIVATIVES; MORPHOLOGY; DONOR;
D O I：
10.1002/adma.201103927
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A novel n-type small molecule FFI-1 was synthesized as the electron acceptor to replace PCBM in solution-processed organic BHJ solar cells. Its LUMO level (around -3.5 eV) both matches the work function of the cathode and increases VOC of the devices, making it a promising acceptor candidate. With P3HT: FFI-1 (1: 2 w/w) as active layer and LiF/Al as the cathode, the best power conversion effi ciency (PCE) reaches 1.86%.
引用
收藏
页码：957 / +
页数：6
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