Electrochemical Multi-Coloration of Molybdenum Oxide Bronzes 


Vol. 34,  No. 8, pp. 2348-2352, Aug.  2013
10.5012/bkcs.2013.34.8.2348


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  Abstract

We report a simple electrochemical approach in fabricating multiple colored molybdenum (Mo) oxide bronzes on the surface of a Mo-quartz electrode. A three step electrochemical batch process consisting of linear sweep voltammetry and anodic oxidation followed by cathodic reduction in neutral K2SO4 electrolyte at different end potentials, viz. −0.62, −0.80 and −1.60 V (vs. Hg/HgSO4) yielded red, blue and yellow colored bronzes. The samples produced were analyzed by XRD, EDS, and SIMS. The color variation was suggested to be associated with the cations intercalation into the oxide formed and the simultaneous structural changes that occurred during the cathodic reduction in neutral aqueous medium.

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  Cite this article

[IEEE Style]

S. Lee, V. S. Saji, C. Lee, "Electrochemical Multi-Coloration of Molybdenum Oxide Bronzes," Bulletin of the Korean Chemical Society, vol. 34, no. 8, pp. 2348-2352, 2013. DOI: 10.5012/bkcs.2013.34.8.2348.

[ACM Style]

Sang-Min Lee, Viswanathan S. Saji, and Chi-Woo Lee. 2013. Electrochemical Multi-Coloration of Molybdenum Oxide Bronzes. Bulletin of the Korean Chemical Society, 34, 8, (2013), 2348-2352. DOI: 10.5012/bkcs.2013.34.8.2348.

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ISSN(Print) 0253-2964
ISSN(Online) 1229-5949