V2O5· n H2O Crystalline Nanosheets: Hydrothermal Fabrication and Structure Evolution

V2O5·nH2O nanosheets are fabricated hydrothermally with the acidified peroxovanadate solution at 200 °C for 12 h. The X-ray diffraction suggests that V2O5·nH2O nanosheets display lamellar ordering along c-axis direction. Transmission electron microscopy, field-emission scanning electron microscopy,...

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Bibliographic Details
Published in:Chemistry letters 2007-04, Vol.36 (4), p.560-561
Main Authors: Hu, Xiao Kai, Ma, De Kun, Liang, Jian Bo, Xiong, Sheng Lin, Li, Jiang Ying, Qian, Yi Tai
Format: Article
Language:English
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Summary:V2O5·nH2O nanosheets are fabricated hydrothermally with the acidified peroxovanadate solution at 200 °C for 12 h. The X-ray diffraction suggests that V2O5·nH2O nanosheets display lamellar ordering along c-axis direction. Transmission electron microscopy, field-emission scanning electron microscopy, and selected area electron diffraction indicate that V2O5·nH2O nanosheets are very thin in thickness and micron-sized in lateral dimension, and they are two-dimensional crystallites. X-ray photoelectron spectroscopy and thermogravimetric analysis are utilized to confirm the elemental composition of nanosheets. The formation process of nanosheets is also discussed in terms of time- and temperature-controlled experiments.
ISSN:0366-7022
1348-0715
DOI:10.1246/cl.2007.560