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Self‐Assembled Monolayer Mediated Silica Coating of Silver Triangular Nanoprisms
Author(s) -
Xue C.,
Chen X.,
Hurst S. J.,
Mirkin C. A.
Publication year - 2007
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.200701506
Subject(s) - materials science , monolayer , coating , etching (microfabrication) , nanotechnology , layer (electronics) , chemical engineering , engineering
Silver core/silica shell (Ag@SiO 2 ) nanoprisms are prepared by passivating silver nanoprism cores with 16‐mercaptohexadecanoic acid (MHA), which prevents their etching and aggregation during the subsequent silica coating reaction. The resulting triangular Ag@SiO 2 nanoprisms can be dispersed in organic media, environment in which the bare silver prisms are unstable, and modified with a wide variety of functional groups, including oligonucleotides.
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