Issue 76, 2013
From the journal:

Chemical Communications

Synthesis of pyridine-capped diketopyrrolopyrrole and its use as a building block of low band-gap polymers for efficient polymer solar cells†

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

* Corresponding authors

a Department of Materials Science and Engineering, Seoul National University, 1 Gwanak-ro, Gwanak-gu, 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, Amherst, Massachusetts 01003, USA
E-mail: russell@mail.pse.umass.edu

Abstract

A new building block for low band-gap polymers, diketopyrrolopyrrole (DPP) flanked by pyridine (PyDPP), has been synthesized via a simple synthetic route. PyDPP was polymerized with bithiophene (BT) to afford a low band-gap copolymer (PBTPyDPP) which was used as an electron donor of the active layer in polymer solar cells. The solar cell device based on PBTPyDPP exhibited a promising PCE of 4.9% with a high VOC over 0.9 V, which is one of the highest values among DPP-based polymer solar cells.

Graphical abstract: Synthesis of pyridine-capped diketopyrrolopyrrole and its use as a building block of low band-gap polymers for efficient polymer solar cells

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Article information

DOI
https://doi.org/10.1039/C3CC44676J
Article type
Communication
Submitted
21 Jun 2013
Accepted
21 Jul 2013
First published
22 Jul 2013

Chem. Commun., 2013,49, 8495-8497

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Synthesis of pyridine-capped diketopyrrolopyrrole and its use as a building block of low band-gap polymers for efficient polymer solar cells

J. W. Jung, F. Liu, T. P. Russell and W. H. Jo, Chem. Commun., 2013, 49, 8495 DOI: 10.1039/C3CC44676J

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