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Citation: JIU Jin-Ting, LI Xiao-Ning, GE Yue, XU Jian, WANG Jian. Preparation of Co₃O₄ Nanoparticles by Polymer Combustion Methods[J]. Chinese Journal of Applied Chemistry, ;2001, 18(9): 755-757. shu

Preparation of Co₃O₄ Nanoparticles by Polymer Combustion Methods

1.
Department of Material and Engineering, Beijing Institute of Clothing Technology, Beijing 100029

Received Date: 19 December 2000
Available Online: 8 May 2001
Fund Project: 北京市科技新星基金资助项目(9558103400) (9558103400)

Co₃O₄ nanoparticles were prepared by mixing polyvinylalcohol(PVA)and Co(NO₃)₂ in a mole ratio of 1:3~4,at 100~130℃ to evaporate and remove water,and calcining at 400℃ for 2 h.The structure,crystal type and surface appearance were characterized by IR,XRD and TEM.The results showed that metal carbonate was formed using the polymer combustion methods,and the Co₃O₄ gave a cubic polygon appearance.Agglomerate free,well dispersive Co₃O₄ nanoparticles with the cubic structure and the average size of ca.33 nm could be obtained from carbonated precursor by this simple and economical methods
- Co₃O₄,
- nanoparticles,
- polymer combustion method
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Preparation of Co₃O₄ Nanoparticles by Polymer Combustion Methods