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J. Korean Ceram. Soc. > Volume 46(6); 2009 > Article
Journal of the Korean Ceramic Society 2009;46(6): 592.
doi: https://doi.org/10.4191/kcers.2009.46.6.592
A Simple Way to Prepare Nanosize NiO Powder by Mixing Acidic Ni Compound with Basic Ni Compound
Deock-Soo Cheong, Dong-Hun Yun1, Sang-Hwan Park1, Chang-Sam Kim2
Department of MATSE, Dankook University
1Division of MATSE, Korea Institute of Science and Technology
2Battery Research Center, Korea Institute of Science and Technology
ABSTRACT
Nanosize NiO powder was prepared by mixing acidic nickel nitrate with basic nickel carbonate. The particle size and morphology of NiO were mainly governed by the mole ratio of the nitrate to the carbonate. The effects were studied by DSC, XRD, FTIR, and SEM. Heat treatment conditions influence the particle size distribution of produced NiO powder extensively for the case of 3N7C (3 moles of the nitrate and 7 moles of the carbonate) and 4N6C, but only slightly for 1N9C and 2N8C. Uniform pseudospherical NiO particles were obtained in $50{sim}70$ nm for 1N9C and $30{sim}60$ nm for 2N8C by calcination at $750{^{circ}C}$ for 2 h.
Key words: Nanosize NiO, Nickel nitrate, Basic nickel carbonate, Calcination effects, DSC
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