Sandnes, E.
, Williams, M.
, Bertocci, U.
, Vaudin, M.
and Stafford, G.
(2007),
Electrodeposition of Bismuth From Nitric Acid Electrolyte, Electrochimica Acta, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=853552
(Accessed December 12, 2024)
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Electrodeposition of Bismuth From Nitric Acid Electrolyte
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Abstract
The electrodeposition of Bi from acidic nitrate solution was examined. Bismuth deposition was determined to be quasi-reversible on Au, with a current efficiency of 100%, based on integration of deposition and stripping voltammetric waves. No interference from nitrate reduction was found on Bi and Au, whereas nitrate reduction occurred on W and Cu electrodes. Analysis of current-time transients clearly shows nucleation on Au to be instantaneous. Field emission SEM revealed nodular deposits with moderate surface roughness. Nodule size varied from 1 micron to 5 microns depending on deposition potential and deposit thickness. X-ray diffraction patterns for all deposits were indexed to rhombohedral bismuth. The deposits showed fairly strong {01-12} crystallographic texture at high deposition overpotentials.Citation
Electrochimica Acta
Volume
52
Pub Type
Journals
Download Paper
Keywords
bismuth, deposition, electrodeposition
Citation
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Created April 2, 2007, Updated February 17, 2017