Improved efficiency of ternary the blend polymer solar cells by doping a narrow band gap polymer material

被引：0
|
作者：
ZHU XiXiang [1 ]
AN QiaoShi [1 ]
HUANG Hui [2 ]
JIAO ChaoQun [2 ]
ZHANG FuJun [1 ]
机构：
[1] Key Laboratory of Luminescence and Optical Information, Ministry of Education, Beijing Jiaotong University
[2] School of Electrical Engineering, Beijing Jiaotong University
来源：
Science China(Physics,Mechanics & Astronomy) | 2015年 / 03期
基金：
北京市自然科学基金; 中央高校基本科研业务费专项资金资助; 中国国家自然科学基金;
关键词：
ternary blend polymer solar cells; exciton dissociation; charge carrier transport;
D O I：
暂无
中图分类号：
TM914.4 [太阳能电池];
学科分类号：
摘要：
A series of P3HT:PC71BM polymer solar cells(PSCs)with different PIDTDTQx doping concentrations were fabricated to investigate the effect of the PIDTDTQx as a complementary electron donor on the performance of PSCs.The power conversion efficiency(PCE)of the optimized ternary blend PSCs(with 2 wt%PIDTDTQx)reached 3.87%,which is 28%higher than that of the PSCs based on P3HT:PC71BM(control cells).The short-circuit current density(Jsc)was increased to 10.20 m A/cm2compared with the control cells.The PCE improvement could be attributed to more photon harvest and charge carrier transport by appropriate doping PIDTDTQx.The energy transfer from P3HT to PIDTDTQx was demonstrated from the 650 nm emission intensity decrease and the red-shifted emission peaks from 725 nm to 737 nm along with the increase of PIDTDTQx doping concentrations.
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收藏
页码：65 / 69
页数：5
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