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TiO 2 Nanofibers and Core–Shell Structures Prepared Using Mesoporous Molecular Sieves as Templates
Author(s) -
Xiong Chunrong,
Kim Moon J.,
Balkus Kenneth J.
Publication year - 2006
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.200500130
Subject(s) - mesoporous material , template , materials science , molecular sieve , nanofiber , anatase , chemical engineering , nanostructure , nanotechnology , shell (structure) , catalysis , composite material , photocatalysis , chemistry , organic chemistry , engineering
Anatase nanostructures : Nanosized TiO 2 fibers were prepared by filling mesoporous molecular sieves with TiCl 4 at 90–150 °C under pressure. Subsequent hydrolysis in air resulted in TiO 2 nanofiber growth from the surface of the spherical template (see picture). TiO 2 fibers with a tunable diameter of 12–50 nm were obtained. Removal of the mesoporous template gave core–shell structures.