High-Efficiency All-Polymer Solar Cells Based on a Pair of Crystalline Low-Bandgap Polymers

被引：229

作者：

Mu, Cheng ^{[1
]}

Liu, Peng ^{[2
]}

Ma, Wei ^{[3
]}

Jiang, Kui ^{[1
]}

Zhao, Jingbo ^{[1
]}

Zhang, Kai ^{[2
]}

Chen, Zhihua ^{[4
]}

Wei, Zhanhua ^{[1
]}

Yi, Ya ^{[5
]}

Wang, Jiannong ^{[5
]}

Yang, Shihe ^{[1
]}

Huang, Fei ^{[2
]}

Facchetti, Antonio ^{[4
]}

Ade, Harald ^{[3
]}

Yan, He ^{[1
]}

机构：

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

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

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

[4] Polyera Corp, Skokie, IL 60077 USA

[5] Hong Kong Univ Sci & Technol, Dept Phys, Kowloon, Hong Kong, Peoples R China

来源：

ADVANCED MATERIALS | 2014年 / 26卷 / 42期

关键词：

low bandgap polymer; all polymer solar cell; domain size; resonant soft X-ray scattering; OPEN-CIRCUIT VOLTAGE; PERFORMANCE; COPOLYMER; DONOR; 2-VINYL-4,5-DICYANOIMIDAZOLES; AGGREGATION; ORIENTATION; MISCIBILITY;

D O I：

10.1002/adma.201402473

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

All-polymer solar cells based on a pair of crystalline low-bandgap polymers (NT and N2200) are demonstrated to achieve a high short-circuit current density of 11.5 mA cm-2 and a power conversion efficiency of up to 5.0% under the standard AM1.5G spectrum with one sun intensity. The high performance of these NT:N2200-based cells can be attributed to the low optical bandgaps of the polymers and the reasonably high and balanced electron and hole mobilities of the NT:N2200 blends due to the crystalline nature of the two polymers. © 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

引用

页码：7224 / 7230

页数：7

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