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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 8, Number 5
May 20, 1987 

Comparisons of Stability and Spectral Response of n-Si Electrodes Modified with Polyaniline and Polypyrrole in Aqueous Solutions
Jin-Doo Kim, Kang-Jin Kim*, Jung-Kyoon Chon
Modification of n-Si electrodes coated by photogalvanostatically with polyaniline and polypyrrole in aqueous solutions considerably enhanced the stability and the spectral response of the photoelectrodes. A polypyrrole coated electrode incorporated with redox couple Fe(CN)3-6 / Fe(CN)4-6 yielded a photocurrent density of 400μA/cm2 for about 120 hours. Broad spectral responses over 300-850 nm were observed for both polymer coated electrodes of which polypyrrole coated one showed better current conversion efficiency.
362 - 366
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