Issue 67, 2015
From the journal:

Chemical Communications

A new aspect of cyclopentadithiophene based polymers: narrow band gap polymers upon protonation†

Tao Tang,ab   Tingting Lin,b   FuKe Wang*bc  and  Chaobin He*ab  

* Corresponding authors

a Department of Materials Science and Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore 117576, Singapore

b Institute of Materials Research and Engineering, A*STAR (Agency for Science, Technology and Research), 3 Research Link, Singapore 117602, Singapore
E-mail: wangf@imre.a-star.edu.sg, msehc@nus.edu.sg, cb-he@imre.a-star.edu.sg

c Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore

Abstract

A new aspect of cyclopentadithiophene (CPDT) based conjugated polymers was reported. CPDT units in conjugated polymers can be facilely protonated with a significant change in optical and electronic properties. The protonation was confirmed by NMR spectra studies and the remarkable decrease of the energy band-gap was attributed to charge separation upon protonation.

Graphical abstract: A new aspect of cyclopentadithiophene based polymers: narrow band gap polymers upon protonation

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Article information

DOI
https://doi.org/10.1039/C5CC04028K
Article type
Communication
Submitted
15 May 2015
Accepted
06 Jul 2015
First published
06 Jul 2015

Chem. Commun., 2015,51, 13229-13232

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A new aspect of cyclopentadithiophene based polymers: narrow band gap polymers upon protonation

T. Tang, T. Lin, F. Wang and C. He, Chem. Commun., 2015, 51, 13229 DOI: 10.1039/C5CC04028K

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