期刊
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
卷 28, 期 15, 页码 2915-2921出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.jeurceramsoc.2008.05.003
关键词
ZnO; powder-chemical preparation; electron microscopy; thermal properties; particle size
资金
- Ministry of Higher Education, Science and Technology of the Republic of Slovenia
- Slovenian Research Agency [P1-0030]
A simple urea aqueous solution process at low temperature (85 degrees C) was employed for the preparation of zinc hydroxide carbonate from zinc nitrate. The influence of different additives on the final particle morphology was studied, Porous spherical particles in the shape of chrysanthemums with an average size of 4 mu m and a surface area of 16 m(2)/g were obtained in the presence of poly-vinyl pyrrolidone (PVP-K30). After heat treatment ZnO particles were formed that preserved the size and shape of the hydrozincite precursor. The morphology and crystallinity of the solids obtained before and after the heat treatment were characterized by FE-SEM, XRD, FTIR, BET and TG methods. (c) 2008 Elsevier Ltd. All rights reserved.
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