Influence of electrochemical copolymerization conditions of 3-methylthiophene and biphenyl on the morphology and nanomechanical properties of the films

ABSTRACT The aim of this work is to synthesize novel 3‐methylthiophene (3MTh)/biphenyl (Biph) copolymer films by electropolymerization and study their mechanical properties through nanoindentation. The morphology, the chemical structure as well as the electrical conductivity of the copolymer films d...

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Bibliographic Details
Published in:Journal of applied polymer science 2015-10, Vol.132 (38), p.np-n/a
Main Authors: Triantou, Despina, Soulis, Spyridon, Perivoliotis, Dimitris, Charitidis, Costas
Format: Article
Language:English
Subjects:
conducting polymers
Copolymerization
Copolymers
Deposition
Electrical resistivity
Materials science
Morphology
nanostructured polymers
Nucleation
Polymerization
Polymers
Resistivity
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Summary:ABSTRACT The aim of this work is to synthesize novel 3‐methylthiophene (3MTh)/biphenyl (Biph) copolymer films by electropolymerization and study their mechanical properties through nanoindentation. The morphology, the chemical structure as well as the electrical conductivity of the copolymer films depended strongly on the electropolymerization conditions. It was found that the polymer deposition follow an instantaneous, two‐dimensional nucleation and growth mechanism leading to homogenous films. The copolymer films had higher Young modulus and nanohardness than poly(3‐methylthiophene) (3PMTh), indicating that the incorporation of Biph units within the P3MTh chain leads to a more densely packed structure and a more brittle polymer. © 2015 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015, 132, 42575.
ISSN:0021-8995
1097-4628
DOI:10.1002/app.42575