期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 133, 期 17, 页码 6490-6492出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja2002132
关键词
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资金
- World Premier International Research Center Initiative on Materials Nanoarchitectonics, MEXT
- MEXT
We recently reported that Ag3PO4 exhibits excellent photooxidative capabilities for O-2 evolution from water and organic dye decomposition under visible-light irradiation. However, very little is known about the shape and facet effects of Ag3PO4 crystals on their photocatalytic properties. Herein we have developed a facile and general route for high-yield fabrication of single-crystalline Ag3PO4 rhombic dodecahedrons with only {110} facets exposed and cubes bounded entirely by {100} facets. Moreover, studies of their photocatalytic performance have indicated that rhombic dodecahedrons exhibit much higher activities than cubes for the degradation of organic contaminants, which may be primarily ascribed to the higher surface energy of {110} facets (1.31 J/m(2)) than of {100} facets (1.12 J/m(2)).
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