期刊
JOURNAL OF SOLID STATE CHEMISTRY
卷 182, 期 6, 页码 1396-1400出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jssc.2009.02.031
关键词
BiPO4; Nano-cocoons; Nanorods; Evolution; Photoluminescence
资金
- 973 Project of China [2005CB623601]
- National Natural Science Foundation of China [20431020]
- China Postdoctoral Science Foundation [200801236]
Hexagonal phase BiPO4 nano-cocoons and monoclinic phase BiPO4 nanorods have been synthesized in the mixed solvents of glycerol and distilled water with the volume ratio of 2:1 at 200 C. The solvothermal evolution process from hexagonal phase BiPO4 nano-cocoons to monoclinic phase BiPO4 nanorods was observed by varying the reaction time from 1 to 3 h. In the hydrothermal condition at 160 degrees C, the similar phase transformation from hexagonal phase BiPO4 to monoclinic phase BiPO4 was also observed, accompanying with a morphology transformation from nanorods to octahedron-like microcrystals. It was found that the volume ratio of glycerol to water in the solvothermal condition had a great impact on the shapes of products, while it had no influence on the formation of different phases. The fluorescence spectra of hexagonal phase BiPO4 nano-cocoons and monoclinic phase BiPO4 nanorods were also studied. (C) 2009 Elsevier Inc. All rights reserved.
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