The Role of the Axial Substituent in Subphthalocyanine Acceptors for Bulk-Heterojunction Solar Cells

被引：110

作者：

Duan, Chunhui ^{[1
]}

Zango, German ^{[2
]}

Garcia Iglesias, Miguel ^{[2
,3
]}

Colberts, Fallon J. M. ^{[1
]}

Wienk, Martijn M. ^{[1
,4
]}

Victoria Martinez-Diaz, M. ^{[2
]}

Janssen, Rene A. J. ^{[1
,4
]}

Torres, Tomas ^{[2
,3
]}

机构：

[1] Eindhoven Univ Technol, Inst Complex Mol Syst, Mol Mat & Nanosyst, POB 513, NL-5600 MB Eindhoven, Netherlands

[2] Univ Autonoma Madrid, Dept Organ Chem, C Francisco TomasyValiente 7, E-28049 Madrid, Spain

[3] IMDEA Nanociencia, C Faraday 9,Campus Cantoblanco, Madrid 28049, Spain

[4] Dutch Inst Fundamental Energy Res, De Zaale 20, NL-5612 AJ Eindhoven, Netherlands

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2017年 / 56卷 / 01期

基金：

欧洲研究理事会; 欧盟第七框架计划;

关键词：

bulk heterojunctions; electron acceptors; solar cells; subphthalocyanines; substitution effects; NON-FULLERENE; BORON SUBPHTHALOCYANINES; ELECTRON-ACCEPTORS; ORGANIC PHOTOVOLTAICS; 11-PERCENT EFFICIENCY; POLYMER; DERIVATIVES; MOBILITY;

D O I：

10.1002/anie.201608644

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Four hexachlorosubphthalocyanines SubPcCl(6)-X bearing different axial substituents (X) have been synthesized for use as novel electron acceptors in solution-processed bulk-heterojunction organic solar cells. Subphthalocyanines are aromatic chromophoric molecules with cone-shaped structure, good solution processability, intense optical absorption in the visible spectral region, appropriate electron mobilities, and tunable energy levels. Solar cells with subphthalocyanines as the electron acceptor and PTB7-Th as the electron donor exhibit a power conversion efficiency up to 4% and an external quantum efficiency approaching 60% due to significant contributions from both the electron donor and the electron acceptor to the photocurrent, indicating a promising prospect of non-fullerene acceptors based on subphthalocyanines and structurally related systems.

引用

页码：148 / 152

页数：5

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