Nucleation and growth mechanism for the electropolymerization of aniline on highly oriented pyrolytic graphite at higher potentials |
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| Authors: | B.J. Hwang R. Santhanam C.R. Wu Y.W. Tsai |
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| Affiliation: | (1) Microelectrochemistry Laboratory, Department of Chemical Engineering, National Taiwan University of Science and Technology, 43 Keelung Road, Section 4, 106 Taipei, Taiwan, Republic of China, |
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| Abstract: | In this work, the nucleation and growth mechanism for the electropolymerization of aniline was investigated at higher potentials on highly oriented pyrolytic graphite by potentiostatic current-time transient and atomic force microscopic (AFM) measurements. The electrochemical data fitted to the theoretical curves for the nucleation and growth suggest that electropolymerization of aniline follows the three-dimensional growth and progressive nucleation mechanism. These results were also compared with the results obtained at lower potentials. The results obtained from transient analysis, at higher potentials, were in good agreement with the results of AFM images. Electronic Publication |
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| Keywords: | Nucleation Growth Polyaniline Graphite |
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