水热法合成不同形貌的二硫化钼及其电容性能<sup>*</sup>

doi:10.11896/j.issn.1005-023X.2017.016.003

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Abstract MoS₂ with different morphologies were synthesized via hydrothermal method by using different types of surfactants (CTAB, SDBS or PVP), and ammonium molybdate and thiourea as molybdenum and sulfur sources, respectively. The characterization for microstructure and morphology of the products by XRD, Raman, SEM and TEM showed that the shape and size of MoS₂ could be controlled by altering the surfactants in the reaction system. Electrochemical performance determinations, including cyclic voltammetry (CV), galvanostatic charge-discharge (GCD) and electrochemical impedance spectroscopy (EIS), indicated that the shape and size of MoS₂ had a remarkable influence on its capacitive performance. The MoS₂ nanosheets synthesized with the presence of SDBS possessed a high specific capacitance of 221.2 F/g and a stable capacitance retention of 148 F/g after 500 cycles at a current density of 1 A/g, suggesting good cycling stability. Therefore, the MoS₂ nanosheets will be a suitable candidate for electrochemical supercapacitor applications.

Key words： molybdenum disulfide hydrothermal method surfactant capacitive performance supercapacitor

Published: 07 May 2018

CLC number:

TM912.9

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	Articles by authors
	BAI Lizhong
	WANG Yanhui
	ZHANG Zengyi
	LI Fang
	WEI Jianfei

Cite this article:

BAI Lizhong,WANG Yanhui,ZHANG Zengyi, et al. Hydrothermal Synthesis and Capacitance Performance of Molybdenum Disulfide with Different Morphologies[J]. Materials Reports, 2017, 31(16): 12-15.

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http://www.mater-rep.com/EN/10.11896/j.issn.1005-023X.2017.016.003 OR http://www.mater-rep.com/EN/Y2017/V31/I16/12

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