期刊
CORROSION SCIENCE
卷 95, 期 -, 页码 110-116出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2015.03.003
关键词
Zinc; Polarization; Atmospheric corrosion; Interfaces; Polymer coatings
资金
- MPG CAS at MPIE
The application of conducting polymers on zinc tends to result in an electronically highly insulating interface-leading even-to-Fermi-level misalignment at the polymer/metal interface. This makes-the conducting polymers electrochemically inactive. To prevent this Fermi-level misalignment, carbon black was introduced as conductive spacer between the conducting polymer and the zinc into composite coatings of poly (3,4-ethylenedioxythiophene) (PEDOT) nanoparticles and a polyvinyl butyral (PVB) binder. It was found that the carbon black not only enabled electronic contact between zinc and the PEDOT, but also increased the amount of electrochemical available PEDOT in the coating, by supplying the necessary conductive pathways. (C) 2015 Elsevier Ltd. All rights reserved.
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