Issue 13, 2018

Synthesis of a helical π-conjugated polymer with a dynamic hydrogen-bonded network in the helical cavity and its circularly polarized luminescence properties

Abstract

An optically active π-conjugated polymer (poly-1) containing glucose-linked biphenyl units in the main chain was synthesized via polymerization using an amide-appended 4,6-diiodothieno[3,4-b]thiophene as a cross-coupling partner. Based on the characteristic chiroptical properties of poly-1, combined with the result of all-atom molecular dynamics simulation, a cooperative intramolecular hydrogen-bonded network among amide pendants was considered to form in the helical cavity and to play a crucial role in the stabilization of the helically folded state. The helical poly-1 efficiently emitted circularly polarized light upon photoirradiation in solution and the film state.

Graphical abstract: Synthesis of a helical π-conjugated polymer with a dynamic hydrogen-bonded network in the helical cavity and its circularly polarized luminescence properties

Supplementary files

Article information

Article type
Communication
Submitted
06 Nov 2017
Accepted
05 Dec 2017
First published
06 Dec 2017

Polym. Chem., 2018,9, 1541-1546

Synthesis of a helical π-conjugated polymer with a dynamic hydrogen-bonded network in the helical cavity and its circularly polarized luminescence properties

T. Ikai, S. Awata and K. Shinohara, Polym. Chem., 2018, 9, 1541 DOI: 10.1039/C7PY01867C

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