Influence of fluorination on the properties and performance of isoindigo-quaterthiophene-based polymers

被引：40

作者：

Hu, Huawei ^{[1
,2
,3
]}

Jiang, Kui ^{[1
,2
]}

Kim, Joo-Hyun ^{[4
]}

Yang, Guofang ^{[1
,2
]}

Li, Zhengke ^{[1
,2
]}

Ma, Tingxuan ^{[1
,2
]}

Lu, Guanghao ^{[3
]}

Qu, Yongquan ^{[3
]}

Ade, Harald ^{[4
]}

Yan, He ^{[1
,2
,5
]}

机构：

[1] Hong Kong Univ Sci & Technol, Dept Chem, Kowloon, Hong Kong, Peoples R China

[2] Hong Kong Univ Sci & Technol, Energy Inst, Kowloon, Hong Kong, Peoples R China

[3] Xi An Jiao Tong Univ, Frontier Inst Sci & Technol, Xian 710049, Peoples R China

[4] N Carolina State Univ, Dept Phys, Raleigh, NC 27695 USA

[5] HKUST Shenzhen Res Inst, 9 Yuexing 1st RD,Hitech Pk, Shenzhen 518057, Peoples R China

来源：

JOURNAL OF MATERIALS CHEMISTRY A | 2016年 / 4卷 / 14期

基金：

美国国家科学基金会;

关键词：

POWER-CONVERSION EFFICIENCY; SOLAR-CELLS; MOLECULAR-ORIENTATION; CONJUGATED POLYMERS; PHOTOVOLTAIC CELLS; HOLE MOBILITIES; ENERGY-LOSSES; FILM; MORPHOLOGY; AGGREGATION;

D O I：

10.1039/c6ta00006a

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：

Here a series of isoindigo (ID) and quaterthiophene (T4)-based donoracceptor copolymers are synthesized and compared. The polymer with fluorination on the donor unit exhibits the strongest extent of temperature-dependent aggregation, which leads to a higher hole mobility of the polymer and PSCs with efficiencies up to 7.0% without using any processing additives. Our results provide important insights into how fluorination affects the aggregation properties and performance of isoindigo-based polymers.

引用

页码：5039 / 5043

页数：5

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