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Morphologies‐Controlled Synthesis and Optical Properties of Bismuth Tungstate Nanocrystals by a Low‐Temperature Molten Salt Method
Author(s) -
Xie Lijin,
Ma Junfeng,
Zhou Jun,
Zhao Zhongqiang,
Tian Hua,
Wang Yonggang,
Tao Jiantao,
Zhu Xiaoyi
Publication year - 2006
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/j.1551-2916.2006.00926.x
Subject(s) - tungstate , molten salt , bismuth , sodium tungstate , materials science , transmission electron microscopy , nanocrystal , visible spectrum , salt (chemistry) , absorption (acoustics) , absorption spectroscopy , scanning electron microscope , powder diffraction , chemical engineering , analytical chemistry (journal) , nanotechnology , tungsten , crystallography , optics , chemistry , optoelectronics , metallurgy , composite material , physics , engineering , chromatography
Well‐crystallized bismuth tungstate (Bi 2 WO 6 ) powders with different morphologies were successfully synthesized via a low‐temperature molten salt method. The powders were characterized by X‐ray diffraction, transmission electron microscopy, and UV‐Vis, respectively. It was found that the variation of morphology of the obtained Bi 2 WO 6 powder mainly depends on the different reaction temperatures and the weight ratio of LiNO 3 –NaNO 3 salt to precursor. In addition, the UV‐Visible absorption spectra showed that the synthesized powders had strong light absorption properties not only in the ultraviolet light but also in the visible light region.