引用本文:
郭雷, 胡舸, 李文坡, 张胜涛. 锌在金电极上的欠电位沉积[J]. 应用化学,
2013, 30(2): 214-219.
doi:
DOI:10.3724/SP.J.1095.2013.20090
Citation: GUO Lei, HU Ge, LI Wenpo, ZHANG Shengtao. Underpotential Deposition of Zinc on Au Electrode[J]. Chinese Journal of Applied Chemistry, 2013, 30(2): 214-219. doi: DOI:10.3724/SP.J.1095.2013.20090
Citation: GUO Lei, HU Ge, LI Wenpo, ZHANG Shengtao. Underpotential Deposition of Zinc on Au Electrode[J]. Chinese Journal of Applied Chemistry, 2013, 30(2): 214-219. doi: DOI:10.3724/SP.J.1095.2013.20090
锌在金电极上的欠电位沉积
English
Underpotential Deposition of Zinc on Au Electrode
Abstract:
The underpotential deposition(UPD) of zinc from alkaline media on Au substrate has been studied by cyclic voltammetry and chronoampermetry.Experimental conditions such as the concentration of zinc precursor and scanning rate have been investigated.The analysis of the experimental data clearly showed the UPD process was initiated at-0.935 V(vs.SCE).In adaition,the concentration change of metal cation may affect the kinetics of the UPD process.The potentiostatic transients suggested an adatom-incorporation limited,two-dimensional(2D) instantaneous nucleation and growth mechanism.In addition,the adsorption of hydroxyl group could exert significant influence on the UPD of zinc on Au.
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Key words:
- zinc
- / Au electrode
- / underpotential deposition
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