Issue 55, 2012
From the journal:

Chemical Communications

A low band-gap polymer based on unsubstituted benzo[1,2-b:4,5-b′]dithiophene for high performance organic photovoltaics†

Jae Woong Jung,a   Jea Woong Jo,a   Feng Liu,b   Thomas P. Russellb  and  Won Ho Jo*a  

* Corresponding authors

a WCU Hybrid Materials Program and Department of Materials Science and Engineering, Seoul National University, San 56–1, Shillim-dong, Kwanak-ku, Seoul 151–744, Korea
E-mail: whjpoly@snu.ac.kr
Fax: +82 2 876 6086
Tel: +82 2 880 7192

b Department of Polymer Science and Engineering, University of Massachusetts, Massachusetts 01003, Amherst, USA
E-mail: russell@mail.pse.umass.edu

Abstract

A low band-gap conjugated polymer, PBDTDPP, composed of unsubstituted benzo[1,2-b:4,5-b′]dithiophene and diketopyrrolo[3,4-c]pyrrole was synthesized. The deep HOMO level of PBDTDPP enhances the VOC of a PSC up to 0.82 V and exhibits a PCE of 5.16%, while alkoxy substituted PBDTDPP-OR yields a PCE of 2.24% with a VOC of 0.61 V.

Graphical abstract: A low band-gap polymer based on unsubstituted benzo[1,2-b:4,5-b′]dithiophene for high performance organic photovoltaics

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Article information

DOI
https://doi.org/10.1039/C2CC32985A
Article type
Communication
Submitted
26 Apr 2012
Accepted
17 May 2012
First published
18 May 2012

Chem. Commun., 2012,48, 6933-6935

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A low band-gap polymer based on unsubstituted benzo[1,2-b:4,5-b′]dithiophene for high performance organic photovoltaics

J. Woong Jung, J. Woong Jo, F. Liu, T. P. Russell and W. Ho Jo, Chem. Commun., 2012, 48, 6933 DOI: 10.1039/C2CC32985A

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