Abstract
The electrocatalytic oxidation of 2-chlorophenol on a composite PbO2/polypyrrole (PPy) electrode was carried out in 0.1 m H2SO4 solution. The composite PbO2/PPy electrode was developed by the codeposition of polypyrrole and PbO2 microparticles on the PbO2/SnO2/Ti substrate. The PbO2 microparticles and polypyrrole in the composite electrode were observed to be hydrophilic active-sites and hydrophobic inactive-sites, respectively. The results indicated that the conversion of 2-chlorophenol and the efficiency of electrooxidation were improved on the hydrophobic-modified PbO2/PPy electrode. The performance for electrooxidation of 2-chlorophenol on the composite PbO2/PPy electrode was better than that on Pt or PbO2/SnO2/Ti electrodes. The thicker the composite (PbO2/PPy) layer, the more active-sites in the composite electrode and the more 2-chlorophenol could be oxidized.
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References
A. F. Diaz, J. I. Castillo, J. A. Logan and W.-Y. Lee, J. Electroanal. Chem. 129 (1981) 115.
A. Deronzier and J.-C. Moutet, Acc. Chem. Res. 22 (1989) 249.
D. G. Crosby and D. G. Wong, J. Agric Food Chem. 21 (1973) 1052.
J. A. Bellar, J. J. Lichtenberg and R. C. Kroner, J. Am. Water Works Assoc. 66 (1974) 703.
Y. Ku and C.-B. Hsieh, Ind. Eng. Chem. Res. 31 (1992) 1823.
J. O'M. Bockris, ‘Electrochemistry of Cleaner Environments’, Plenum Press, New York (1972).
Y. Kunugi, T. Fuchigami, S. Matsumura and T. Nonaka. J. Electroanal. Chem. 287 (1990) 385.
Y. Kunugi, T. Fuchigami and T. Nonaka, Chem. Lett. (1989) 1467.
C. N. Ho and B. J. Hwang, J. Electroanal. Chem. 377 (1994) 177.
G. K. Chandler and D. Pletcher, J. Appl. Electrochem. 16 (1986) 62.
J. Y. Lee and T.-C. Tan, J. Electrochem. Soc. 137 (1990) 1402.
S. Holdcroft and B. L. Funt, J. Electroanal. Chem. 240 (1988) 89.
F. T. A. Vork and B. Barendrecht, Electrochim. Acta 35 (1990) 135.
C. N. Ho and B. J. Hwang, ibid 38 (1993) 2749.
C. R. Baillod, B. M. Faith and O. Masi, Environ. Prog. 1 (1982) 27.
Y. Kunugi, T. Nonaka, Y.-B. Chong and N. Watanabe, Electrochim. Acta 37 (1992) 353.
R. Qian and J. Qiu, Polymer J. 19 (1987) 157.
V. S. De Sucre and A. P. Watkinson, Can. J. Chem. Eng. 59 (1981) 52.
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Hwang, B.J., Lee, K.L. Electrocatalytic oxidation of 2-chlorophenol on a composite PbO2/polypyrrole electrode in aqueous solution. JOURNAL OF APPLIED ELECTROCHEMISTRY 26, 153–159 (1996). https://doi.org/10.1007/BF00364065
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DOI: https://doi.org/10.1007/BF00364065