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- Title
Facile electrochemical synthesis of a conducting copolymer from 5-aminoindole and EDOT and its use as Pt catalyst support for formic acid electrooxidation.
- Authors
Yue, Ruirui; Yao, Zhangquan; Geng, Jingyi; Du, Yukou; Xu, Jingkun; Yang, Ping
- Abstract
5-Aminoindole and 3,4-ethylenedioxythiophene (EDOT) were copolymerized electrochemically on a carbon cloth (CC) electrode in an aqueous sulfuric acid solution. The as-prepared copolymer was characterized by cyclic voltammogram, SEM, and UV-vis and FT-IR spectra through which the electrochemical properties, structure, and composition of the as-obtained copolymer were determined. The electrochemical activity and stability of the as-formed copolymer are significantly improved in comparison with poly(5-aminoindole) due to the incorporation of EDOT units into the conjugated chain. The copolymer film-modified CC electrode was used as substrate for Pt particle deposition (denoted as Pt/copolymer/CC), and then, its catalytic activity towards formic acid electrooxidation was studied. Experimental results indicate that the catalytic activity of Pt/copolymer/CC towards formic acid electrooxidation is enhanced in comparison with that of Pt/homopolymer/CC, which can be attributed to the homogeneous distribution of Pt nanoparticles on the copolymer/CC substrate and the improved electrochemical activity of the copolymer film.
- Subjects
CONDUCTING polymers; ORGANIC synthesis; COPOLYMERS; ELECTROLYTIC oxidation; NANOPARTICLES; ELECTROCHEMICAL analysis
- Publication
Journal of Solid State Electrochemistry, 2013, Vol 17, Issue 3, p751
- ISSN
1432-8488
- Publication type
Article
- DOI
10.1007/s10008-012-1922-1