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Facet-dependent photocatalytic properties of AgBr nanocrystals
Hua Wang1, Jutong Yang, Xiulin Li
1School of Chemistry and Environment, Beihang University, Beijing 100191, China.
Abstract:
Polyhedral AgBr nanocrystals, evolved from cubes through truncated cubes and finally to high-symmetry octahedra, which corresponds to a progressive shrinkage of exposed {100} facets and enlargement of exposed {111} facets, are prepared by facile precipitation reactions. The as- prepared AgBr nanocrystals exhibit facet-dependent catalytic properties, with the {111}-dominated octahedra showing the highest photocatalytic activities.
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