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Synthesis and characterization of new conjugated soluble polythiophenes with excellent reversible electrochemical properties
Author(s) -
Feng Qilong,
Wang Lin,
Lin Li,
Pei Meishan,
Xu Jingkun,
Zhang Guangyou
Publication year - 2012
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.38275
Subject(s) - polythiophene , dispersity , conjugated system , polymer , thiophene , polymer chemistry , materials science , molar mass , piperidine , methylene , conductive polymer , nuclear chemistry , chemistry , organic chemistry
A series of five new conjugated polythiophene (PT) derivatives containing piperidinyl groups as a side chain were synthesized by ferric trichloride oxidization. All of the polymers were soluble in common organic solvents, and their high regioregularity were confirmed by 1 H‐NMR. The weight‐average molar masses ranged from 5931 to 22,955 g/mol with a low polydispersity index ranging from 1.18 to 1.79. The fluorescence emission maximum of poly[3‐( N ‐methyl propionate–4′‐piperidine)methylene–thiophene] in the films was 725 nm in the yellow–red region, higher than that of the other PT derivatives. All five polymers exhibited reversible p ‐doping/dedoping (oxidation/reneutralization) processes; this indicated that these polymers could be applied in electrical equipment in the doping state. © 2012 Wiley Periodicals, Inc. J. Appl. Polym. Sci., 2013

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