Novel conjugated polymer for organic photovoltaics: Synthesis and device optimization

被引：4
|
作者：
Kim, Bong-Gi [1 ]
Park, Hui Joon [2 ]
机构：
[1] Dongjin Semichem Co Ltd, Songnam 463400, Gyeonggi Do, South Korea
[2] Ajou Univ, Div Energy Syst Res, Suwon 443749, South Korea
来源：
SYNTHETIC METALS | 2015年 / 199卷
关键词：
Conjugated polymer; Organic photovoltaics; Intramolecular charge transfer; Aggregation; SOLAR-CELLS; EFFICIENCY; ENHANCEMENT;
D O I：
10.1016/j.synthmet.2014.12.010
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A novel conjugated polymer, TdTB, having an alternating configuration of electron donor and acceptor was synthesized for organic photovoltaic (OPV) application. Intramolecular charge transfer made TdTB exhibit bimodal-shaped absorption in visible region, which secured about 4% power conversion efficiency (PCE) via enhanced absorption efficiency. OPV cells could be further optimized by means of additive-assisted annealing or additional super critical CO2 liquid treatment after additive annealing, and more developed TdTB aggregation was achieved. Consequently, their performances were dramatically improved about 17% and 33%, compared to the non-annealed PV cell, giving 4.65 and 5.27% PCEs, respectively. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：280 / 283
页数：4
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