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Diffusion‐Facilitated Fabrication of Gold‐Decorated Zn 2 SiO 4 Nanotubes by a One‐Step Solid‐State Reaction
Author(s) -
Yang Yang,
Yang Ren Bin,
Fan Hong Jin,
Scholz Roland,
Huang Zhipeng,
Berger Andreas,
Qin Yong,
Knez Mato,
Gösele Ulrich
Publication year - 2010
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200906022
Subject(s) - kirkendall effect , materials science , nanotechnology , diffusion , fabrication , nanorod , solid state , nanowire , chemical engineering , chemistry , metallurgy , physics , thermodynamics , engineering , medicine , alternative medicine , pathology
A ZnO‐Au‐SiO 2 sandwich nanowire structure has been used to fabricate Zn 2 SiO 4 nanotubes with inlaid gold nanocrystallites on the outer surface. The thin gold interlayer not only acts as a precursor for the gold nanocrystallites, but also facilitates the Kirkendall voids at the ZnO‐SiO 2 interface and then accelerates the formation of the Zn 2 SiO 4 nanotubes (see picture).