期刊
MATERIALS CHEMISTRY AND PHYSICS
卷 133, 期 2-3, 页码 907-912出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.matchemphys.2012.01.115
关键词
Antimony-doped tin oxide; Antimony-doped tin oxide-coated diatomite; Multi-pore structure; Conductive performance
资金
- Creative Research Foundation of Beijing University Technology [00900054R4004, 009000543111500]
Diatomite materials coated with antimony-doped tin oxide (ATO) were prepared by the co-precipitation method, and characterized by means of the techniques, such as X-ray diffraction, Fourier transform infrared spectroscopy, scanning electron microscopy, transmission electron microscopy, selected-area electron diffraction, X-ray fluorescence spectroscopy, and N-2 adsorption-desorption measurement. It was shown that the coated ATO possessed a tetragonal rutile crystal structure, and the ATO-coated diatomite materials had a multi-pore (micro- meso-, and macropores) architecture. The porous ATO-coated diatomite materials exhibited excellent electrical conductive behaviors. The best conductive performance (volume resistivity = 10 Omega cm) was achieved for the sample that was prepared under the conditions of Sn/Sb molar ratio = 5.2, Sn/Sb coating amount = 45 wt%, pH = 1.0, and reaction temperature = 50 degrees C. Such a conductive porous material is useful for the applications in physical and chemical fields. (C) 2012 Elsevier B.V. All rights reserved.
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