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Metallic Nanobowls by Galvanic Replacement Reaction on Heterodimeric Nanoparticles
Author(s) -
Ridelman Yonatan,
Singh Gurvinder,
PopovitzBiro Ronit,
Wolf Sharon G.,
Das Sanjib,
Klajn Rafal
Publication year - 2012
Publication title -
small
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.785
H-Index - 236
eISSN - 1613-6829
pISSN - 1613-6810
DOI - 10.1002/smll.201101882
Subject(s) - galvanic cell , materials science , nanoparticle , metal , dissociation (chemistry) , nanotechnology , colloid , single displacement reaction , magnetic nanoparticles , chemical engineering , metallurgy , inorganic chemistry , chemistry , organic chemistry , engineering
Well‐defined metallic nanobowls can be prepared by extending the concept of a protecting group to colloidal synthesis. Magnetic nanoparticles are employed as “protecting groups” during the galvanic replacement of silver with gold. The replacement reaction is accompanied by spontantous dissociation of the protecting groups, leaving behind metallic nanobowls.