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Title: Ultrafine zinc oxide powders prepared by precipitation/mechanical milling
Authors: Deng, H.M.
Ding, J. 
Shi, Y. 
Liu, X.Y.
Wang, J. 
Issue Date: 1-Jul-2001
Citation: Deng, H.M., Ding, J., Shi, Y., Liu, X.Y., Wang, J. (2001-07-01). Ultrafine zinc oxide powders prepared by precipitation/mechanical milling. Journal of Materials Science 36 (13) : 3273-3276. ScholarBank@NUS Repository.
Abstract: The synthesis of ultrafine zinc oxide powders using the combination of precipitation and mechanical milling followed by subsequent heat treatment was investigated. Zinc hydroxide/oxidehydrate precursor was prepared by precipitation process using zinc chloride as the starting material. Sodium chloride was added to avoid agglomeration during the mechanical milling process. Zinc oxide particles were formed in the NaCI matrix after heat treatment and obtained after removal of NaCI. The size and structure of zinc oxide powders were studied using X-ray diffraction, transmission electron microscopy, and BET surface area measurements and thermal analysis. This has shown that the particle size of zinc oxide powder is strongly dependent on the weight ratio of sodium chloride and precursor. ZnO particles with an average primary particle size of 15 nm could be obtained when the NaCI/precursor weight ratio was 4:1 or above. © 2001 Kluwer Academic Publishers.
Source Title: Journal of Materials Science
ISSN: 00222461
DOI: 10.1023/A:1017902923289
Appears in Collections:Staff Publications

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