Efficient and stable polymer solar cells with solution-processed molybdenum oxide interfacial layer

被引:125
作者
Tan, Zhan'ao [1 ]
Qian, Deping [1 ]
Zhang, Wenqing [1 ]
Li, Liangjie [1 ]
Ding, Yuqin [2 ]
Xu, Qi [1 ]
Wang, Fuzhi [1 ]
Li, Yongfang [2 ]
机构
[1] N China Elect Power Univ, State Key Lab Alternate Elect Power Syst Renewabl, New & Renewable Energy Beijing Key Lab, Beijing 102206, Peoples R China
[2] Chinese Acad Sci, Inst Chem, CAS Key Lab Organ Solids, Beijing 100190, Peoples R China
关键词
HOLE-COLLECTION LAYER; OPEN-CIRCUIT VOLTAGE; LOW-TEMPERATURE; REGIOREGULAR POLY(3-HEXYLTHIOPHENE); THIN-FILMS; INJECTION; ACCEPTOR; MOOX;
D O I
10.1039/c2ta00325b
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
We report efficient and stable polymer solar cells (PSCs) based on poly(3-hexylthiophene) and various fullerene derivatives using solution processed, cost effective molybdenum oxide (s-MoOx) as an anode interfacial layer. The chemical structure of the obtained s-MoOx was characterized by FTIR and XPS. The s-MoOx layer exhibits high light transmittance and effective hole collection properties. The PSCs with the s-MoOx anode buffer layer show enhanced performance in comparison with PEDOT:PSS modified devices. The power conversion efficiency of the PSC based on P3HT:IC(70)BA with the s-MoOx anode buffer layer reached 6.57% under an illumination of AM1.5G at 100 mW cm(-2). In addition, compared with PEDOT: PSS modified devices, PSCs with the s-MoOx anode buffer layer exhibit a much superior stability and longer lifetime.
引用
收藏
页码:657 / 664
页数:8
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