Issue 89, 2013
From the journal:

Chemical Communications

Novel high performance asymmetrical squaraines for small molecule organic solar cells with a high open circuit voltage of 1.12 V†

Daobin Yang,‡a   Qianqian Yang,‡b   Lin Yang,a   Qian Luo,a   Yan Huang,*a   Zhiyun Lu*a  and  Suling Zhao*b  

* Corresponding authors

a Key Laboratory of Green Chemistry and Technology (Ministry of Education), College of Chemistry, Sichuan University, Chengdu 610064, P. R. China
E-mail: huangyan@scu.edu.cn, luzhiyun@scu.edu.cn

b Key Laboratory of Luminescence and Optical Information (Ministry of Education), Institute of Optoelectronics Technology, Beijing Jiaotong University, Beijing 100044, P. R. China
E-mail: slzhao@bjtu.edu.cn

Abstract

An asymmetrically substituted squaraine ASQC bearing a 9-carbazyl substituent exhibits an extremely deep HOMO energy level of −5.46 eV and a relatively low bandgap of 1.65 eV, hence renders solution-processed organic solar cells with an impressive Voc of up to 1.12 V and a PCE of 2.82%.

Graphical abstract: Novel high performance asymmetrical squaraines for small molecule organic solar cells with a high open circuit voltage of 1.12 V

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Article information

DOI
https://doi.org/10.1039/C3CC46217J
Article type
Communication
Submitted
14 Aug 2013
Accepted
16 Sep 2013
First published
17 Sep 2013

Chem. Commun., 2013,49, 10465-10467

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Novel high performance asymmetrical squaraines for small molecule organic solar cells with a high open circuit voltage of 1.12 V

D. Yang, Q. Yang, L. Yang, Q. Luo, Y. Huang, Z. Lu and S. Zhao, Chem. Commun., 2013, 49, 10465 DOI: 10.1039/C3CC46217J

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