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Electrochemical Gold Deposition from Non-Toxic Electrolytes

Lookup NU author(s): Professor Sudipta Roy

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Abstract

An additive free electrolyte containing aurochloric acid, sodium sulphite and sodium thiosulphate has been used to electrodeposit gold. The electrolyte is stable at near neutral conditions and was stable on storage after formulation. Laboratory scale experiments showed that the electrolyte was compatible with positive photoresists. UV-Vis spectroscopy and cyclic voltammetry indicate that gold is discharged from a thiosulphate ligand. Industrial scale piloting experiments showed that high quality gold could be deposited from the electrolyte.


Publication metadata

Author(s): Roy S

Editor(s): Roy, S; Zangari, G; Yoshihara, S

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: ECS Transactions: Green Electrodeposition Symposium

Year of Conference: 2008

Pages: 67-72

ISSN: 1938-5862

Publisher: The Electrochemical Society

URL: . http://dx.doi.org/10.1149/1.3114009

DOI: 10.1149/1.3114009

Library holdings: Search Newcastle University Library for this item

: F3

Sponsor(s): The Electrochemical Society

ISBN: 19386737


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