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Issue 3, 2014
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Gigantic chiroptical enhancements in polyfluorene copolymers bearing bulky neomenthyl groups: importance of alternating sequences of chiral and achiral fluorene units

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Abstract

An alternating copolymer consisting of achiral and chiral units emits remarkably efficient CPL on photo-excitation. The main-chain twist bias is enhanced by thermal annealing by the factor of 104 in the ground state. An anisotropy factor of the polymer in the excited state is greater by approximately an order of magnitude compared with that in the ground sate.

Graphical abstract: Gigantic chiroptical enhancements in polyfluorene copolymers bearing bulky neomenthyl groups: importance of alternating sequences of chiral and achiral fluorene units

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Article information


Submitted
17 Oct 2013
Accepted
13 Nov 2013
First published
14 Nov 2013

Polym. Chem., 2014,5, 712-717
Article type
Communication

Gigantic chiroptical enhancements in polyfluorene copolymers bearing bulky neomenthyl groups: importance of alternating sequences of chiral and achiral fluorene units

K. Watanabe, Y. Koyama, N. Suzuki, M. Fujiki and T. Nakano, Polym. Chem., 2014, 5, 712
DOI: 10.1039/C3PY01442H

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