Sol-gel processing of TeO2 powders
作者： A. Pierre , F. Duboudin , B. Tanguy , J. Portier
DOI: 10.1016/S0022-3093(05)80678-7
关键词: Sol-gel 、 Thermogravimetric analysis 、 Alkoxide 、 Nuclear chemistry 、 Scanning electron microscope 、 Inorganic chemistry 、 Materials science 、 Porosimetry 、 Sintering 、 Amorphous solid 、 Differential thermal analysis
摘要: Abstract TeO 2 was made by sol-gel processing from tellurium chloride and isopropoxide precursors. The synthesis of the alkoxide achieved reaction sodium with TeCl 4 . powders have been obtained both Their structures were studied X-ray diffraction, infra-red transmission, scanning electron microscopy BET porosimetry. Powders inorganic salt crystalline, a composition ·0.5H O, while those crystalline or amorphous depending on hydrolysis water ratio. powder transformation during heat treatment examined thermogravimetric analysis differential thermal sintering behaviour is presented.
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