Synergistic effect of additives on bright nanocrystalline zinc electrodeposition

被引：51
|
作者：
Nayana, K. O. [1 ]
Venkatesha, T. V. [1 ]
Praveen, B. M. [1 ]
Vathsala, K. [1 ]
机构：
[1] Kuvempu Univ, Dept PG Studies & Res Chem, Shankaraghatta 577451, India
来源：
JOURNAL OF APPLIED ELECTROCHEMISTRY | 2011年 / 41卷 / 01期
关键词：
Electrodeposition; Ethyl vanillin; Nanocrystalline; Nucleation mechanism; Synergistic effect; ZN ELECTRODEPOSITION; ORGANIC ADDITIVES; NUCLEATION; BEHAVIOR; GROWTH; ELECTROLYTES; DEPOSITION;
D O I：
10.1007/s10800-010-0205-8
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
The influence of additives like cetyltrimethylammonium bromide (CTAB) and Ethyl vanillin (EV) on zinc electrodeposition from acid sulfate bath was systematically investigated by scanning electron microscopy, X-ray diffraction, and voltammetric techniques. The result shows the existence of interaction between CTAB and EV. They exhibited synergistic effect to produce bright nanocrystalline zinc coating on steel surface. The combined effects of these two compounds on deposition overpotential, hydrogen evolution, zinc ion diffusion, and surface coverage were discussed. The morphological and orientational changes occurred in electrodeposit were presented. Also the nucleation mechanism exhibited by zinc during electrodeposition in the presence of additive was examined.
引用
收藏
页码：39 / 49
页数：11
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