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Electrocrystallization behavior of copper electrodeposited from aqueous sulfuric acid with thiourea and chloride additives

  • J. H. Chang*
  • , C. A. Huang
  • , F. Y. Hsu
  • *此作品的通信作者
  • Chang Gung University
  • Ming Chi University of Technology

研究成果: 圖書/報告稿件的類型會議稿件同行評審

5 引文 斯高帕斯(Scopus)

摘要

Copper was electroplated from cupric sulfate-sulfuric acid solutions with various concentrations of thiourea and chloride ions. The microstructures of deposits were analyzed by optical microscopy, X-ray diffraction (XRD) and transmission electron microscopy (TEM). XRD results indicated that the most preferred orientation of the copper deposits was (220) when thiourea concentrations were greater than 5 ppm. However, the preferred orientation changed obviously when chloride ions were added together with thiourea;, moreover, the grain type of the deposit changed from columnar to equiaxed. TEM images showed considerable twinning in copper plated from solutions containing less than 1 ppm thiourea. Grain sizes of copper deposits decreased when higher concentrations of thiourea were added to the plating bath, together with chloride ions. Copyright The Electrochemical Society.

原文英語
主出版物標題Electrochemistry in Mineral and Metal Processing VII
發行者Electrochemical Society Inc.
頁面329-334
頁數6
版本3
ISBN(電子)1566774403
ISBN(列印)1566774403, 9781566774406
出版狀態已出版 - 2006
事件7th International Symposium on Electrochemistry in Mineral and Metal Processing - 209th Meeting of the Electrochemical Society - Denver, CO, 美國
持續時間: 08 05 200610 05 2006

出版系列

名字ECS Transactions
號碼3
2
ISSN(列印)1938-5862
ISSN(電子)1938-6737

Conference

Conference7th International Symposium on Electrochemistry in Mineral and Metal Processing - 209th Meeting of the Electrochemical Society
國家/地區美國
城市Denver, CO
期間08/05/0610/05/06

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