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Title: Synthesis and characterization of three-arm star-shaped conjugated poly(3-hexylthiophene)s: impact of the core structure on optical properties
Authors: Nguyen, Ha Tran
Nguyen, Trung Thanh
Nguyen, Le-Thu T.
Keywords: poly(3-hexylthiophene);triphenylamine;triphenylbenzene;star-shaped conjugated polymers;Grignard metathesis (GRIM) polymerization
Issue Date: 2015
Publisher: Đại học Quốc gia Hà Nội
Abstract: Star-shaped molecules consisting of regioregular poly(3-hexylthiophene) (P3HT) chains as the arms, attached to either a propeller-like triphenylamine or a planar triphenylbenzene core, have been synthesized via Suzuki coupling. The structures of the three-arm star-shaped poly(3-hexylthiophene) (s-P3HT) materials obtained were studied using Fourier transform infrared, 1Hand13CNMR, XRD, gel permeation chromatography andDSC. The s-P3HT polymerswere soluble in commonorganic solvents and exhibited number-averagemolecularweights of 6000–7200 gmol−1. Their optical properties in solutions and in solid state filmswere investigated using the UV−visible absorption and photoluminescence techniques, andwere comparedwith those of linear P3HT.
Description: POLYMER INTERNATIONAL Volume: 64 Issue: 11 Pages: 1649-1659 Published: NOV 2015 ; TNS05560
Appears in Collections:Bài báo của ĐHQGHN trong Web of Science

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