Hybrid solar cells with an inverted structure: Nanodots incorporated ternary system

被引:40
作者
Fu, Honghong [1 ]
Choi, Mijung [2 ]
Luan, Weiling [1 ]
Kim, Yong-Sang [2 ]
Tu, Shan-Tung [1 ]
机构
[1] E China Univ Sci & Technol, Sch Mech & Power Engn, Key Lab Pressure Syst & Safety, Minist Educ, Shanghai 200237, Peoples R China
[2] Myongji Univ, Dept Nano Sci & Engn, Gyeonggi 449728, South Korea
关键词
CdSe nanodots; Hybrid solar cell; Ternary system; Inverted structure; Stability; QUANTUM DOTS; CDSE; POLYMER; NANOCRYSTALS; NANOPARTICLES; SEPARATION; BLENDS;
D O I
10.1016/j.sse.2011.12.009
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
Ternary system hybrid solar cells that are composed of CdSe nanodots, poly (3-hexylthiophene) (P3HT) and phenyl-C-61-butyric acid methyl ester (PCBM) with an inverted structure were investigated. The incorporation of 10 wt% CdSe nanodots showed increased power conversion efficiency (PCE) of 3.05% compared with that of a binary system with P3HT and PCBM, which is comparable with the best reported efficiency of nanocrystal based solar cells. The photophysical energy level of inverted structure and electrochemical, optical properties and microscopy images of the ternary systems were systematically investigated to elucidate the mechanism. The obtained hybrid solar cell showed enhanced stability through exposure in ambient condition without any encapsulation. (c) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码:50 / 54
页数:5
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