Facile polymerization method for poly(3,4-ethylenedioxythiophene) and related polymers using iodine vapour

A novel iodine vapour promoted polymerization method of 2,5-dibromo-3,4-ethylenedioxythiophene, and 2,5-diiodo-3,4-ethylenedioxythiophene and their derivatives at room temperature without using any solvent has been developed. The resulting polymers are conducting and electroactive in nature. After d...

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Bibliographic Details
Published inNew journal of chemistry Vol. 44; no. 17; pp. 6883 - 6888
Main Authors Gupta, Sonal, Patra, Asit
Format Journal Article
LanguageEnglish
Published CAMBRIDGE Royal Soc Chemistry 07.05.2020
Royal Society of Chemistry
Subjects
Chemical synthesis
Chemistry
Chemistry, Multidisciplinary
Electrochemistry
Iodine
Liquid chromatography
NMR
Nuclear magnetic resonance
Physical Sciences
Polymerization
Polymers
Room temperature
Science & Technology
Spectra
Vapors
MOLECULAR DESIGN
3,4-ETHYLENEDIOXYTHIOPHENE
ROUTE
SOLID-STATE POLYMERIZATION
PEDOT-PSS
COPOLYMERS
ELECTROCHROMIC PROPERTIES
DERIVATIVES
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Summary:A novel iodine vapour promoted polymerization method of 2,5-dibromo-3,4-ethylenedioxythiophene, and 2,5-diiodo-3,4-ethylenedioxythiophene and their derivatives at room temperature without using any solvent has been developed. The resulting polymers are conducting and electroactive in nature. After dedoping, the neutral polymers were analyzed in terms of their elemental composition, and the soluble polymers were characterized by 1 H NMR and gel permeation chromatography analysis. A systematic study of the cyclic voltammetry, UV-vis absorption and spectroelectrochemistry of these polymers obtained by iodine vapour polymerization has been reported and they have been compared with previously reported solid state polymerization and electrochemically obtained polymers where applicable. A simple polymerization at room temperature using iodine vapour for preparation of PEDOT and PProDOT and their soluble derivatives in neat form.
Bibliography:1
In memory of Prof. Michael Bendikov.
H NMR spectra, GPC spectra, spectral data of electrochemistry, UV-vis spectra, FT-IR. See DOI
10.1039/c9nj03923f
Electronic supplementary information (ESI) available: Detailed experimental procedure, monomer synthesis, polymer preparation
ISSN:1144-0546
1369-9261
DOI:10.1039/c9nj03923f