Hole transport layer based on conjugated polyelectrolytes for polymer solar cells

被引：19
|
作者：
Moon, Sanghun [1 ]
Khadtare, Shubhangi [1 ]
Wong, Matthew [2 ]
Han, Sung-Hwan [1 ]
Bazan, Guillermo C. [2 ]
Choi, Hyosung [1 ]
机构：
[1] Hanyang Univ, Res Inst Nat Sci, Dept Chem, Seoul 133791, South Korea
[2] Univ Calif Santa Barbara, Ctr Polymers & Organ Solids, Santa Barbara, CA 93106 USA
来源：
JOURNAL OF COLLOID AND INTERFACE SCIENCE | 2018年 / 518卷
基金：
新加坡国家研究基金会;
关键词：
Conjugated polyelectrolytes; Hole transport layer; Polymer solar cells; Bulk heterojunction; ORGANIC ELECTRONIC DEVICES; EFFICIENCY; PERFORMANCE; PEDOTPSS; PERMITTIVITY; INTERLAYERS;
D O I：
10.1016/j.jcis.2018.02.009
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 demonstrate the conjugated polyelectrolytes (CPEs) as efficient hole transport layer (HTL) of polymer solar cells. Replacing poly(3,4-ethylenedioxy-thiophene):poly(styrenesulfonate) (PEDOT:PSS) with a CPEs with narrow bandgap results in both improvements in device efficiency and stability. In spite of their narrow bandgap, thin CPE films (thickness of similar to 30 nm) enable sufficient light absorption within the active layer. Enhancement of device efficiency is attributed to low surface roughness, high transmittance in visible region, and reduced charge transfer resistance. Compared to the device with PEDOT:PSS, pH neutral nature of CPEs may enhance device stability under ambient condition. (C) 2018 Elsevier Inc. All rights reserved.
引用
收藏
页码：21 / 26
页数：6
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