The effect of alcohol solvent treatment on the performance of inverted polymer solar cells

被引：8
作者：
Li, Qi [1 ]
Zhong, Yuan-Cong [1 ]
Zhang, Yong [1 ,2 ]
机构：
[1] South China Normal Univ, Inst Optoelect Mat & Technol, Guangzhou 510631, Guangdong, Peoples R China
[2] Guangdong Engn Technol Res Ctr Low Carbon & Adv E, Guangzhou 510631, Guangdong, Peoples R China
来源：
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS | 2018年 / 29卷 / 14期
关键词：
HIGH-EFFICIENCY; SELF-ORGANIZATION; INTERFACE; MORPHOLOGY; BLENDS; FILMS;
D O I：
10.1007/s10854-018-9265-z
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Significant performance change has been observed for inverted polymer solar cells (PSCs) with the structure of ITO/ZnO/P3HT:PC61BM/MoO3/Ag when the photoactive layer was rinsed by spin-coating alcohol solvent before the deposition of MoO3 and Ag anode. As a result, isopropanol (IPA) treatment can dramatically enhance the device performance of inverted PSCs while methanol, ethanol, and 1-butanol treatment led to worse photovoltaic performance. The enhancing device performance should be attributed to the remove of PC61BM near the top of the P3HT:PC61BM active layer by spin-coating IPA due to better wetting with the photoactive layer, resulting in the power conversion efficiency (PCE) and short-circuit current (J(sc)) increased from 3.96% and 8.97 mA/cm(2) to 4.49% and 9.92 mA/cm(2) for IPA treatment, respectively. This facile alcohol-treated route provides a promising method to enhance the device performance of inverted PSCs.
引用
收藏
页码：11672 / 11678
页数：7
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