A study of localised galvanic replacement of copper and silver films with gold using scanning electrochemical microscopy
O'Mullane, Anthony P., Ippolito, Samuel J., Bond, Alan M., & Bhargava, Suresh K. (2010) A study of localised galvanic replacement of copper and silver films with gold using scanning electrochemical microscopy. Electrochemistry Communications, 12(5), pp. 611-615.
Galvanic replacement represents a highly significant process for the fabrication of bimetallic materials, but to date its application has been limited to either modification of large area metal surfaces or nanoparticles in solution. Here, the localised surface modification of copper and silver substrates with gold through the galvanic replacement process is reported. This was achieved by generation of a localised flux of AuCl4− ions from a gold ultramicroelectrode tip which interacts with the unbiased substrate of interest. The extent of modification with gold can be controlled through the tip–substrate distance and electrolysis time.
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|Item Type:||Journal Article|
|Additional Information:||Prior to commencement at QUT|
|Keywords:||Galvanic replacement; SECM; Microfabrication|
|Divisions:||Current > QUT Faculties and Divisions > Science & Engineering Faculty|
|Deposited On:||21 Nov 2013 00:57|
|Last Modified:||21 Nov 2013 23:29|
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