Hydrothermal synthesis of mesoporous Co3O4 nanobelts by means of a compound precursor |
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| Authors: | Dawei Li Xiaohong Wu Ting Xiao Wei Tao Min Yuan Xiaoyan Hu Pei Yang Yiwen Tang |
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| Institution: | 1. Institute of Nano-science and Technology, College of Physics and Technology, Central China Normal University, Wuhan 430079, PR China;2. College of Electronic Information Engineering, Wuhan Polytechnic, Wuhan 430074, PR China |
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| Abstract: | In the present work, high surface area mesoporous cobalt oxide (Co3O4) nanobelts have been synthesized by thermal treatment of cobalt hydroxide carbonate (CHC) precursors. CHC nanobelts were prepared by a facile hydrothermal method. Control experiments with variations in reaction time, solvent and different cobalt source revealed that temperature and sulfates are key factors in determining the formation of CHC nanobelts. Scanning electron microscopy and transmission electron microscopy images showed that the Co3O4 nanobelts consisted of mesoporous nanobelts with the average width of 40 nm. Brunauer–Emmett–Teller (BET) gas adsorption measurement further indicated that the products presented a rather large surface area (172.09 m2 g?1). |
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