Journal
ELECTROCHEMISTRY COMMUNICATIONS
Volume 21, Issue -, Pages 18-21Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.elecom.2012.05.006
Keywords
Anodization; Bismuth hydroxide sulfate one hydrate; Bismuth sulfide; Superhydrophobicity; Photoelectrochemistry
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Funding
- NNSF of China [21173075, 21003045]
- Ph. D. Programs Foundation of the Education Ministry of China [20104306110003]
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We report here the first artificial fabrication of riomarinaite (Bi(OH)SO4 center dot H2O). a new mineral found in 2000 in Italy. Urchin-like Bi(OH)SO4 center dot H2O lump-assembled films were obtained by potentiostatic anodization of bismuth electrodes in H2SO4 solution. The dissolution-precipitation mechanism can account for the formation of Bi(OH)SO4 center dot H2O. The urchin-like Bi(OH)SO4 center dot H2O served as precursor to prepare flower-like Bi2S3 by anion exchange. Photoelectrochemical property and wettability of the prepared urchin-like Bi(OH) SO4 center dot H2O and flower-like Bi2S3 films have also been investigated. (C) 2012 Elsevier B.V. All rights reserved.
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