Cross-linked polymers based on 2,3,5,6-tetra-substituted pyrrolo[3,4-c]pyrrole-1,4(2H,5H)-dione (DPP): synthesis, optical and electronic properties

Zhang, K., Tieke, B., Forgie, J. C., Vilela, F., Parkinson, J. A. and Skabara, P. J. (2010) Cross-linked polymers based on 2,3,5,6-tetra-substituted pyrrolo[3,4-c]pyrrole-1,4(2H,5H)-dione (DPP): synthesis, optical and electronic properties. Polymer, 51(26), pp. 6107-6114. (doi: 10.1016/j.polymer.2010.10.054)

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Abstract

A series of 2,3,5,6-tetra-substituted pyrrolo[3,4-c]pyrrole-1,4(2H,5H)-dione (DPP) derivatives carrying thienyl-, 3,4-ethylenedioxy-thienyl- (EDOT-) and 3,4-ethylenedithiathienyl- (EDTT-) substituent groups have been synthesized and electrochemically polymerized. The polymers were investigated using UV/vis absorption spectroscopy and cyclic voltammetry. It was found that the growth of the polymers proceeded as random coupling of the thiophene groups in the 2-,3-,5-, and 6-positions of the DPP chromophore. In the cross-linked polymers, conjugated sequences were only built through coupling of thiophene groups in 3,6-positions, and separated by non-conjugated sequences through coupling with thiophene units in other positions of the DPP core.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Skabara, Professor Peter
Authors: Zhang, K., Tieke, B., Forgie, J. C., Vilela, F., Parkinson, J. A., and Skabara, P. J.
College/School:College of Science and Engineering > School of Chemistry
Journal Name:Polymer
Publisher:Elsevier
ISSN:0032-3861
ISSN (Online):1873-2291
Published Online:03 November 2010

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