Journal
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
Volume 332, Issue 1-2, Pages 356-361Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/S0921-5093(01)01801-9
Keywords
ZnO; ultrafine particles; quantum size effects; oxygen deficiencies; surface effects
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In this paper, ZnO ultrafine particles (UFPs) were prepared by the thermal decomposition method of the precursor, zinc carbonate hydroxide. The structure and properties of the as-prepared ZnO UFPs were studied using TEM, XRD, BET, SPS, ESR. Raman, XPS and UV-Vis absorption spectroscopy. It was found that the prepared ZnO UFPs exhibited obvious quantum size effect and surface effect. In addition, there were many active species on the surface of ZnO UFPs such as oxygen deficiencies and hydroxyls, both of which can improve the photocatalytic activities of ZnO UFPs. (C) 2002 Published by Elsevier Science B.V.
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