Controllable fabrication and magnetic properties of double-shell cobalt oxides hollow particles

Scientific Reports
Dan ZhangGuanzhou Qiu

Abstract

Double-shell cobalt monoxide (CoO) hollow particles were successfully synthesized by a facile and effective one-pot solution-based synthetic route. The inner architecture and outer structure of the double-shell CoO hollow particles could be readily created through controlling experimental parameters. A possible formation mechanism was proposed based on the experimental results. The current synthetic strategy has good prospects for the future production of other transition-metal oxides particles with hollow interior. Furthermore, double-shell cobalt oxide (Co3O4) hollow particles could also be obtained through calcinating corresponding CoO hollow particles. The magnetic measurements revealed double-shell CoO and Co3O4 hollow particles exhibit ferromagnetic and antiferromagnetic behaviour, respectively.

References

Dec 1, 2007·Journal of the American Chemical Society·Jing Li, Hua Chun Zeng
Mar 1, 2008·Chemistry, an Asian Journal·Xiaohe LiuGuanzhou Qiu
Apr 16, 2009·Nano Letters·Kwangjin AnTaeghwan Hyeon
Mar 11, 2010·Advanced Materials·Xuchun GuiDehai Wu
Dec 14, 2011·Angewandte Chemie·Shenglin Xiong, Hua Chun Zeng
Apr 7, 2012·Dalton Transactions : an International Journal of Inorganic Chemistry·Rongrong ShiXiaohe Liu

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Citations

Nov 14, 2015·Journal of Biological Inorganic Chemistry : JBIC : a Publication of the Society of Biological Inorganic Chemistry·Shahanavaj KhanWael Al-Kattan
Oct 25, 2016·Chemical Society Reviews·Yash BoyjooMietek Jaroniec

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Methods Mentioned

BETA
electron diffraction
X-ray
AFM
scanning electron microscopy

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