Electropolymerization of Bithiophene on Aluminum Surfaces Modified by CH 3 ( CH 2 ) 9 ‐ SH and ϕ ‐ ( CH 2 ) m ‐ SH , m = 0 to 3
| Autor: | R. Caudano, P. Lang, Francis Garnier, Zineb Mekhalif, Joseph Delhalle |
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| Rok vydání: | 1999 |
| Předmět: |
Conductive polymer
Dopant Renewable Energy Sustainability and the Environment Substrate (chemistry) Condensed Matter Physics Electrochemistry Lithium perchlorate Surfaces Coatings and Films Electronic Optical and Magnetic Materials Metal chemistry.chemical_compound chemistry visual_art Polymer chemistry Monolayer Materials Chemistry visual_art.visual_art_medium Organic chemistry Acetonitrile |
| Zdroj: | Journal of The Electrochemical Society. 146:2913-2918 |
| ISSN: | 1945-7111 0013-4651 |
| DOI: | 10.1149/1.1392028 |
| Popis: | The electropolymerization of bithiophene on aluminum electrodes was studied in acetonitrile in the presence of lithium perchlorate as the doping agent; the film formation was achieved under potential control. To restrain metal electro-oxidation and dissolution, the aluminum surfaces were chemically modified with thiols CH 3 (CH 2 ) 9 -SH and o-(CH 2 ) m -SH; m = 0 to 3 prior to electropolymerization. It was observed that pretreatment with the mercaptan molecules generally limited the electro-oxidation of the metallic electrode while still allowing the bithiophene electropolymerization. Both the electrochemical and morphological properties of these polybithiophene films were improved as compared with those prepared on the bare metal. Adhesion of polybithiophene to the substrate is drastically enhanced in the case of o-(CH 2 ) m -SH. |
| Databáze: | OpenAIRE |
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