期刊
CHEMISTRY-AN ASIAN JOURNAL
卷 4, 期 1, 页码 174-180出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/asia.200800231
关键词
hydrothermal synthesis; microspheres; oxygen; sensors; templates
资金
- National Basic Research Program of China [2007CB936603]
- National Science Foundation of China [60574095, 60574094]
Almost monodisperse ZnS microspheres have been synthesized on a large scale by a hydrothermal route, in which tungstosilicate acid (TSA) was used as a soft template. By controlling the reaction conditions. such as reaction temperature, pH value of the solutions, and the reaction medium, almost monodisperse microspheres can be synthesized. The structure of these microspheres is sensitive to the reaction conditions. The growth mechanism of these nearly monodisperse microspheres was examined. Oxygen sensing is realized from ZnS microspheres. The current through the ZnS microspheres under UV illumination increases as the oxygen concentration decreases.
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