Journal
CRYSTAL GROWTH & DESIGN
Volume 10, Issue 5, Pages 2111-2115Publisher
AMER CHEMICAL SOC
DOI: 10.1021/cg9012087
Keywords
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Funding
- NSFC [20525309, 20673008, 50821061]
- MSTC [2006CB806102, 2007CB936201]
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A novel type of titanium precursor, ammonium-exchanged titanate nanowires, is used to hydrothermally synthesize nanosized TiO2 single crystals with well-defined facets. With additives of appropriate shape-capping reagents, octahedral, truncated octahedral, and spindle-like TiO2 nanocrystals have been obtained. We proposed that the transformation mechanism from ammonium-exchanged titanate nanowires to TiO2 may be a dissolution-nucleation process. Furthermore, the photocatalytic activities of anatase TiO2 nanocrystals with different facets exposed have been investigated.
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