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Citation: GU Min, HUANG Ling, YANG Fang-Zu, YAO Shi-Bing, ZHOU Shao-Min. Effects of Current Density and Bath Agitation on the Surface Morphology and Texture of Cu Electrodeposits[J]. Chinese Journal of Applied Chemistry, ;2002, 19(3): 280-284. shu

Effects of Current Density and Bath Agitation on the Surface Morphology and Texture of Cu Electrodeposits

1.
a Department of Chemistry, Shantou University, Shantou 515063;
2.
b State Key Laboratory for Physical Chemistry of Solid Surfaces, Department of Chemistry, Institute of Physical Chemistry, Xiamen University, Xiamen 361005

Corresponding author: GU Min,
Received Date: 8 August 2001
Available Online: 27 November 2001
Fund Project: 国家自然科学基金(20073037) (20073037)优秀国家重点实验室基金(20023001)资助项目 (20023001)

The texture and surface morphology of Cu electrodeposited on stainless steel at different current densities from H₂SO₄+CuSO₄ electrolyte solution under unstirring, mechanical agitation and air agitation condition have been studied by means of XRD and SEM technique. The results showed that the surface morphology and crystal orientation of Cu electrodeposits varied mainly with the current density used in deposition:at c.d.<6.0 A/dm² (110) orientation was found to be favorable. When c.d.>15.0 A/dm², (111) orientation was preferred, and no obvious crystal orientation was observed at medium current density. Increase in current densities made the Cu electro-crystallization varied from lateral to outward growth modes.
- electrodeposition,
- Cu deposit,
- crystal orientation,
- surface morphology
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