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Fabrication of Regular ZnO/TiO 2 Heterojunctions with Enhanced Photocatalytic Properties
Author(s) -
Wu Long,
Xing Jun,
Hou Yu,
Xiao Fang Yuan,
Li Zhen,
Yang Hua Gui
Publication year - 2013
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.201300849
Subject(s) - photocatalysis , heterojunction , methyl orange , wurtzite crystal structure , materials science , anatase , hydrothermal circulation , photodegradation , fabrication , chemical engineering , rutile , radical , nanotechnology , optoelectronics , zinc , chemistry , catalysis , metallurgy , organic chemistry , medicine , alternative medicine , pathology , engineering
Facet‐selective growth : Regular ZnO/TiO 2 heterojunctions have been successfully synthesized using a facile hydrothermal technique (see figure). Due to the interfacial lattice matching, wurtzite ZnO can only grow on the eight {101} facets of the anatase TiO 2 single crystals, while the other two {001} facets are untouched. The as‐prepared regular ZnO/TiO 2 heterojunctions exhibited enhanced photocatalytic generation of . OH radicals and enhanced photodegradation of methyl orange when irradiated with UV light.