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Epitaxy of Radial High‐Energy‐Facetted Ultrathin TiO 2 Nanosheets onto Nanowires for Enhanced Photoreactivities
Author(s) -
Lin Haifeng,
Wang Xun
Publication year - 2016
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/adfm.201504850
Subject(s) - materials science , nanowire , nanostructure , epitaxy , photodegradation , nanotechnology , methyl orange , water splitting , nanoparticle , catalysis , photocatalysis , biochemistry , chemistry , layer (electronics)
Rational design and construction of novel nanostructures with outstanding functions, and investigation on the relationship between their structures and properties have continuously been intriguing but are still challenging now. In this work, 1D TiO 2 (B) hierarchitectures with epitaxial {100} and {010} high‐energy‐facetted ultrathin 2D nanosheets that are parallel to the c ‐axis are demonstrated for the first time. These hierarchitectures show much improved photochemical properties as compared with the nanoparticles and nanowires as well as the physical mixture of nanosheets and nanowires. These include photodegradation of methyl orange and water splitting, due to the remarkably increased surface area and active sites, and enhanced separation and transport of charge carriers. The findings reported here may inspire the engineering of highly active nanostructures for energy and environment related applications.