Facile preparation of Co₃O₄ nanoparticles via thermal decomposition of Co(NO₃)₂ loading on C₃N

In this paper we report the facile preparation of Co₃O₄ nanoparticles via thermal decomposition of Co(NO₃)₂ loading on g-C₃N₄. The as synthesized Co₃O₄ nanoparticles were characterized by XRD, FT-IR, XPS and TEM techniques. The results indicate that the g-C₃N₄ decomposed completely with the cubic Co...

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Published inPowder technology Vol. 221; pp. 199 - 202
Main Authors Yan, Hongjian, Xie, Xionghui, Liu, Kewei, Cao, Hongmei, Zhang, Xiaojun, Luo, Yulai
Format Journal Article
LanguageEnglish
Published Elsevier B.V 2012
Subjects
cobalt
Fourier transform infrared spectroscopy
nanoparticles
particle size
temperature
thermal degradation
transmission electron microscopy
X-ray diffraction
X-ray photoelectron spectroscopy
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Summary:In this paper we report the facile preparation of Co₃O₄ nanoparticles via thermal decomposition of Co(NO₃)₂ loading on g-C₃N₄. The as synthesized Co₃O₄ nanoparticles were characterized by XRD, FT-IR, XPS and TEM techniques. The results indicate that the g-C₃N₄ decomposed completely with the cubic Co₃O₄ phase remaining during calcinations treatment process. The morphology and particle size of Co₃O₄ nanoparticles closely dependent on the amount of Co(NO₃)₂ loading on g-C₃N₄ and the calcination temperature. The worm-like and spherical Co₃O₄ nanoparticles could be obtained when the amount of Co(NO₃)₂ (calculated as Co) are about 10wt.% and 30wt.%, respectively. The morphology of Co₃O₄ obtained would change further to an irregular and un-uniform shape when the amount of Co(NO₃)₂ is over 50wt.%.
Bibliography:http://dx.doi.org/10.1016/j.powtec.2012.01.002
ISSN:0032-5910
1873-328X