Journal
CRYSTENGCOMM
Volume 16, Issue 46, Pages 10547-10552Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4ce01295j
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Funding
- National Nature Science Foundation of China [21207148]
- National Basic Research Program of China [2011CB936001]
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Exploring anatase TiO2 with a superior photocatalytic activity is worthwhile as well as challenging. 3D hierarchical anatase TiO2 with a high percentage of exposed {001} facets has been successfully synthesized through a simple one-pot solvothermal strategy in the presence of ammonium fluoride and ethylene glycol solution. It was found that both NH4F and ethylene glycol played an essential role in directing a 3D hierarchical structure with exposed {001} facets. Characterization by SEM, TEM, XRD, and TG endorsed a plausible proposed formation mechanism of nucleation-aggregation-recrystallization. The product was proven to exhibit superior photocatalytic activity under the synergistic effect of improved light-harvesting ability and higher reactivity of exposed {001} facets.
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