Supercapacitor based on few-layer MoO₃ nanosheets prepared by solvothermal method
by Shalong Wang; Kang Dou; Yuhang Dong; Yousheng Zou; Haibo Zeng
International Journal of Nanomanufacturing (IJNM), Vol. 12, No. 3/4, 2016

Abstract: In this work, few-layer orthorhombic MoO₃ (α-MoO₃) nanosheets with high crystallinity were prepared by solvothermal method. The thickness of the prepared MoO₃ nanosheets is about 15 nm. The effects of temperature and solvent on the growth and morphology of MoO₃ nanosheets were investigated and the results show that temperature ranging from 140 to 180°C has little influence on the morphology and size of MoO₃ nanosheets, while the kind of solvent has a great impact on it. The electrochemical performances of the prepared MoO₃ nanosheets were studied by cyclic voltammetry and chronopotentiometry. The results show that the specific capacitance of the MoO₃ nanosheets depends on the temperature, and the maximum specific capacitance of 136.8 F/g is obtained at 160°C.

Online publication date: Fri, 23-Sep-2016

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