Premium
Template‐Based Growth of Various Oxide Nanorods by Sol–Gel Electrophoresis
Author(s) -
Limmer S.J.,
Seraji S.,
Wu Y.,
Chou T.P.,
Nguyen C.,
Cao G.Z.
Publication year - 2002
Publication title -
advanced functional materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 6.069
H-Index - 322
eISSN - 1616-3028
pISSN - 1616-301X
DOI - 10.1002/1616-3028(20020101)12:1<59::aid-adfm59>3.0.co;2-b
Subject(s) - nanorod , materials science , crystallization , oxide , sol gel , stoichiometry , chemical engineering , ceramic , electrophoresis , electrophoretic deposition , nanotechnology , metal , chromatography , composite material , metallurgy , organic chemistry , chemistry , engineering , coating
The ability to form oxide nanorods is of great interest in a number of areas. In this paper, we report the template‐based growth of nanorods of several oxide ceramics, formed by means of a combination of sol–gel processing and electrophoretic deposition. Both single metal oxides (TiO 2 , SiO 2 ) and complex oxides (BaTiO 3 , Sr 2 Nb 2 O 7 , and Pb(Zr 0.52 Ti 0.48 )O 3 ) have been grown by this method. Uniformly sized nanorods of about 125–200 nm in diameter and 10 μm in length were grown over large areas with near unidirectional alignment. Desired stoichiometric chemical composition and crystal structure of the oxide nanorods was readily achieved by an appropriate procedure of sol preparation, with a heat treatment (700 °C for 15 min) for crystallization and densification.