Issue 65, 2013
From the journal:

Chemical Communications

Regioregular pyridyl[2,1,3]thiadiazole-co-indacenodithiophene conjugated polymers†

Wen Wen,‡a   Lei Ying,‡a   Ben B. Y. Hsu,a   Yuan Zhang,a   Thuc-Quyen Nguyena  and  Guillermo C. Bazan*a  

* Corresponding authors

a Center for Polymers and Organic Solids, Department of Chemistry and Biochemistry and Materials, University of California, Santa Barbara, California 93106-7150, USA
E-mail: bazan@chem.ucsb.edu

Abstract

Regioregular conjugated polymers containing alternating pyridyl[2,1,3]thiadiazole (PT) and indacenodithiophene (IDT) structural units were synthesized. In these copolymers, the pyridyl nitrogen atoms on PT are precisely arranged along the backbone so that each one has an adjacent proximal and an adjacent distal counterpart across the two IDT flanking units. We find that despite the absence of obvious differences in orbital energy levels and optical bandgap, the regioregular materials exhibit larger charge carrier mobilities, as determined by using field effect transistor devices, and can yield higher solar cell power conversion efficiencies when mixed with fullerenes in bulk heterojunction active layers.

Graphical abstract: Regioregular pyridyl[2,1,3]thiadiazole-co-indacenodithiophene conjugated polymers

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Article information

DOI
https://doi.org/10.1039/C3CC43229G
Article type
Communication
Submitted
02 May 2013
Accepted
24 May 2013
First published
28 May 2013

Chem. Commun., 2013,49, 7192-7194

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Regioregular pyridyl[2,1,3]thiadiazole-co-indacenodithiophene conjugated polymers

W. Wen, L. Ying, B. B. Y. Hsu, Y. Zhang, T. Nguyen and G. C. Bazan, Chem. Commun., 2013, 49, 7192 DOI: 10.1039/C3CC43229G

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