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Hiroyuki Hayasaka, Tatsuaki Miyashita, Kazuya Tamura and Kazuo Akagi Helically π-Stacked Conjugated Polymers Bearing Photoresponsive and Chiral Moieties in Side Chains: Reversible Photoisomerization-Enforced Switching Between Emission and Quenching of Circularly Polarized Fluorescence Advanced Functional Materials 20

Version of Record online: 15 MAR 2010 | DOI: 10.1002/adfm.200902059

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Multifunctional conjugated polymers bearing fluorescent, chiral, and photoresponsive functions are synthesized by introducing dithienylethene moieties linked with optically active alkyl groups into the side chains of poly(p-phenylene) and poly(bithienylene-phenylene). Dynamic quenching and emission of circularly polarized fluorescence (CPF) are realized through reversible photoisomerization between open and closed forms of the side chains.

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