Enhanced performance of polymer solar cells by dipole-assisted hole extraction

被引：12
作者：
Wang, Jian [1 ]
Zhang, Fujun [1 ]
Li, Lingliang [1 ]
An, Qiaoshi [1 ]
Zhang, Jian [2 ]
Tang, Weihua [3 ]
Teng, Feng [1 ]
机构：
[1] Beijing Jiaotong Univ, Key Lab Luminescence & Opt Informat, Minist Educ, Beijing 100044, Peoples R China
[2] Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, State Key Lab Catalysis, Dalian 116023, Peoples R China
[3] Nanjing Univ Sci & Technol, Key Lab Soft Chem & Funct Mat, Minist Educ, Nanjing 210094, Jiangsu, Peoples R China
来源：
SOLAR ENERGY MATERIALS AND SOLAR CELLS | 2014年 / 130卷
基金：
北京市自然科学基金; 中国国家自然科学基金;
关键词：
Polymer solar cells; Hole extraction; Buffer layer; Hole-only devices; POWER-CONVERSION EFFICIENCY; ENERGY-LEVEL ALIGNMENT; TRANSPORT ENHANCEMENT; CARBON NANOTUBES; PEDOTPSS; LAYER;
D O I：
10.1016/j.solmat.2014.06.030
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Polymer solar cells (PSCs) with different anode buffer layers were fabricated to investigate dipoleassisted hole extraction on the performance improvement of PSCs. The power conversion efficiency (PCE) of PSCs was increased from 4.77% to 6.18% with 29.6% improvement due to the increased short circuit current density (J) from 12.00 to 15.65 mA/cm2 induced by the oriented LiF dipole-assisted hole extraction. More hole could be swept-out from the active layers by oriented LiF dipole/PEDOT:PSS combined anode buffer layers. The dipole-assisted hole extraction could be further demonstrated from the J-V curves of hole-only devices with different anode buffer layers. (C)2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：15 / 19
页数：5
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