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Issue 6, 2017
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Copolymers of carbazole and phenazine derivatives: minor structural modification, but totally different photodetector performance

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Abstract

With the aim to explore the relationship between the structure of conjugated polymers and the performance of their corresponding photodetectors, four donor–acceptor type conjugated polymers were designed and prepared through the convenient Suzuki coupling reaction, in which the structure of the acceptor group, phenazine moieties, changed with different planar π-systems from small to a little bigger, accompanied with a subtly adjusted HOMO and LUMO. The fabricated photodetectors of these four polymers confirmed that the minor structural difference would lead to very different device performance, with the highest photodetectivity, up to 6.2 × 1012 Jones, and the fastest rise time of 160 μs.

Graphical abstract: Copolymers of carbazole and phenazine derivatives: minor structural modification, but totally different photodetector performance

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Article information


Submitted
04 Oct 2016
Accepted
20 Dec 2016
First published
21 Dec 2016

Polym. Chem., 2017,8, 1039-1048
Article type
Paper

Copolymers of carbazole and phenazine derivatives: minor structural modification, but totally different photodetector performance

S. Li, X. Deng, L. Feng, X. Miao, K. Tang, Q. Li and Z. Li, Polym. Chem., 2017, 8, 1039
DOI: 10.1039/C6PY01733A

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