Power conversion efficiency enhancement of polymer solar cells using MoO3/TFB as hole transport layer

被引：5
|
作者：
Zheng, Qiao [1 ,2 ,3 ]
Sun, Jianbin [1 ,2 ,3 ]
Cheng, Shuying [1 ,2 ,3 ]
Lai, Yunfeng [1 ,2 ]
Zhou, Haifang [1 ,2 ]
Yu, Jinling [1 ,2 ]
机构：
[1] Fuzhou Univ, Coll Phys & Informat Engn, Fuzhou 350108, Fujian, Peoples R China
[2] Fuzhou Univ, Inst Micronano Devices & Solar Cells, Fuzhou 350108, Fujian, Peoples R China
[3] Jiangsu Collaborat Innovat Ctr Photovolta Sci & E, Changzhou 213164, Jiangsu, Peoples R China
来源：
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 2015年 / 120卷 / 03期
基金：
中国国家自然科学基金;
关键词：
LIGHT-EMITTING-DIODES; INTERFACIAL LAYER; PERFORMANCE; OXIDE; TRIPHENYLAMINE; CONTACTS; FILMS;
D O I：
10.1007/s00339-015-9378-7
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper, we report a simple method to increase the power conversion efficiency (PCE) of the polymer solar cells based on poly(3-hexylthiophene) and [6, 6]-phenyl-C61-butyric acid methyl ester derivatives blended active layer. The approach includes using a molybdenum oxide (MoO3) and Poly[(9,9-dioctylfluorenyl-2,7-diyl)-co-(4,4-(N-(4-sec-butylphenyl))diphenylamine)] (TFB) composites as the hole transport layer (HTL). Compared with that of the device with bare MoO3 HTL, the maximum 39 % increased of PCE is obtained when MoO3/TFB composites as the HTL in the devices. The device with MoO3/TFB shows the best performance with a PCE of 3.70 %, an open-circuit voltage of 0.58 V, and a short-circuit current density of 11.39 mA/cm(2). The intrinsically mechanisms behind PCE increased are due to the improvement in the interface layer morphology and the more appropriately energy level of the cells.
引用
收藏
页码：857 / 861
页数：5
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