Enhancing the short-circuit current and power conversion efficiency of polymer solar cells with graphene quantum dots derived from double-walled carbon nanotubes

被引：65

作者：

Li, Fushan ^{[1
]}

Kou, Lijie ^{[1
]}

Chen, Wei ^{[1
]}

Wu, Chaoxing ^{[1
]}

Guo, Tailiang ^{[1
]}

机构：

[1] Fuzhou Univ, Inst Optoelect Technol, Fuzhou 350002, Peoples R China

来源：

NPG ASIA MATERIALS | 2013年 / 5卷

基金：

国家高技术研究发展计划(863计划); 高等学校博士学科点专项科研基金;

关键词：

graphene quantum dots; polymer solar cells; power conversion efficiency; short-circuit current; PHOTOVOLTAIC CELLS;

D O I：

10.1038/am.2013.38

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Derived from double-walled carbon nanotubes, graphene quantum dots (GQDs) with a uniform size distribution were prepared through solution chemistry. The GQDs in chlorobenzene exhibited bright blue emission upon UV excitation. The introduction of the GQDs into a bulk heterojunction polymer solar cell based on poly(3-hexylthiophene):(6,6)-phenyl-C61 butyric acid methyl ester (P3HT:PCBM) resulted in a significant enhancement of the power conversion efficiency (PCE). The efficiency was further improved by adjusting the PCBM content in the active layer, reaching a maximum PCE of 5.24%. This ternary system based on blended P3HT:PCBM:GQDs represents a new method to enhance the efficiency of polymer solar cells.

引用

页码：e60 / e60

页数：4

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