Title: Oxidation of solid gold in chloroform solutions of cetyltrimethylammonium bromide
Authors: Mortier, Tom ×
Persoons, Andre
Verbiest, Thierry #
Issue Date: Dec-2005
Publisher: Elsevier
Series Title: Inorganic Chemistry Communications vol:8 issue:12 pages:1075-1077
Abstract: oxidation of solid gold was studied in chloroform solutions of cetyltrimethylammonium bromide (CTAB). We observed that, upon sonication, solid gold is oxidized and cetyltrimethylammonium tetrabromo aurate is formed. The Br- ions act as a nucleophile that lowers the reduction potential of gold and molecular oxygen from the air acts as an oxidant. Addition of hydrazine to the sonicated solution leads to the formation of gold nanoparticles dispersed in chloroform. (c) 2005 Elsevier B.V. All rights reserved.
ISSN: 1387-7003
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Molecular Imaging and Photonics
× corresponding author
# (joint) last author

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