Journal
NANOSCALE RESEARCH LETTERS
Volume 5, Issue 2, Pages 398-402Publisher
SPRINGEROPEN
DOI: 10.1007/s11671-009-9495-3
Keywords
Bismuth; Nanostructure; Electrochemical deposition
Funding
- Chinese National Key Basic Research Special Found [2006CB921704]
- NSF of China [60976014]
- Key Basic Research Project of Scientific and Technology Committee of Shanghai [09DJ1400200]
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Large-scale bunch-like bismuth (Bi) nanostructures were the first time to be synthesized via two-step electrochemical deposition. The growth mechanism of the nanostructures was discussed. Such a designed bunch-like Bi electrode has high sensitivity to detect the heavy metal ions due to its unique three-dimensional structures and strong ability of adsorbing the heavy metal ions. The bunch-like Bi electrode's detection of heavy metals was statically performed using anodic stripping voltammetry (ASV). The detection in the Pb(II) concentration range of 2.5-50 mu g/l was also performed. Based on the experimental results, this bunch-like Bi electrode can be considered as an interesting alternative to common mercury electrodes and bismuth film electrodes for possible use in electrochemical studies and electroanalytical applications.
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