期刊
SURFACE & COATINGS TECHNOLOGY
卷 259, 期 -, 页码 594-598出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.surfcoat.2014.10.025
关键词
Superhydrophobic; Wettability; Surface; Electrochemistry; Conducting polymer
资金
- PACA (Provence-Alpes-Cote d'Azur) region
Here, we study for the first time the influence of hydrocarbon chain branching on the formation of surface structures and on superhydrophobic properties obtained by electrodeposition of conducting polymers. Two series of 3,4-ethylenedioxythiophene (EDOT) derivatives with branched hydrocarbon chains were synthetized and the surface properties were compared with linear hydrocarbon chains. We show that hydrocarbon chain branching reduces the intrinsic hydrophobicity of the substituent As a consequence, the branching can lead to smoother films, due to the increase in the solubility of the oligomers formed in the first instances of the polymerization, than that obtained with linear hydrocarbon chains. Here, highly structured films with non-wetting properties close to superhydrophobic properties are obtained with linear hydrocarbon chains from a total number of carbon of 8 while relatively smooth hydrophobic films are obtained with branched hydrocarbon chains. This work is extremely important in the control of the surface properties of electrodeposited conducting polymers. (C) 2014 Elsevier B.V. All rights reserved.
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