期刊
MATERIALS RESEARCH BULLETIN
卷 44, 期 5, 页码 1142-1147出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.materresbull.2008.09.045
关键词
Oxides; Nanostructures; Crystal growth
资金
- National Natural Science Foundation of China [50772074]
- Nano-Foundation of Shanghai in China [0852nm01200]
- State Major Research Plan (973) of China [2006CB932302]
V3O7 center dot H2O nanoribbons and V3O7 nanoflowera are firstly obtained via facile oxides-hydrothermal (O-HT) route, V2O5 bulk-phase powder is directly used as precursor. The 1:1 ethanol/water and absolute ethanol are made as solvent for obtaining nanomaterials of vanadium oxides with different morphologies and structures. Characterizations of the samples are carried out using XRD, TG, FRIT, Raman-Spectra, SEM, TEM, HRTEM, SAED, and UV-vis. The large-scale fine ribbon-like V3O7 center dot H2O nanobelts with thickness ca. 20 nm and length ca. 20-40 mu m are obtained in 1:1 (v/v) ethanol/water mixed solvent. The V3O7 nanoflowers are constructed by numerous whisker-like nanocrystal or petal-like are obtained in absolute ethanol solvent with the thickness about 20 nm and the size ca. 2-3 mu m. The formation mechanism of the sample is discussed. (C) 2008 Elsevier Ltd. All rights reserved.
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