Low Band-Gap Conjugated Polymers with Strong Interchain Aggregation and Very High Hole Mobility Towards Highly Effi cient Thick- Film Polymer Solar Cells

被引：394

作者：

Chen, Zhenhui ^{[1
]}

Cai, Ping ^{[1
]}

Chen, Junwu ^{[1
]}

Liu, Xuncheng ^{[1
]}

Zhang, Lianjie ^{[1
]}

Lan, Linfeng ^{[1
]}

Peng, Junbiao ^{[1
]}

Ma, Yuguang ^{[1
]}

Cao, Yong ^{[1
]}

机构：

[1] S China Univ Technol, State Key Lab Luminescent Mat & Devices, Inst Polymer Optoelect Mat & Devices, Guangzhou 510640, Guangdong, Peoples R China

来源：

ADVANCED MATERIALS | 2014年 / 26卷 / 16期

基金：

中国国家自然科学基金; 国家教育部博士点专项基金资助;

关键词：

organic field-effect transistors; inverted polymer solar cells; interchain aggregation; fluorinated conjugated polymers; POWER CONVERSION EFFICIENCY; OPEN-CIRCUIT VOLTAGE; DEVICE PERFORMANCE; PHOTOVOLTAIC CELLS; RATIONAL DESIGN; SIDE-CHAINS; DONOR; TRANSISTORS; MORPHOLOGY; COPOLYMERS;

D O I：

10.1002/adma.201305092

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Absorption spectra of polymer FBT-Th4(1,4) (M n = 46.4 Kg/mol, E g = 1.62 eV, and HOMO = -5.36 eV) indicate strong interchain aggregation ability. High hole mobilities up to 1.92 cm2(V s)-1 are demonstrated in OFETs fabricated under mild conditions. Inverted solar cells with active layer thicknesses ranging from 100 to 440 nm display PCEs exceeding 6.5%, with the highest efficiency of 7.64% achieved with a 230 nm thick active layer. © 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

引用

页码：2586 / 2591

页数：6

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