Publication Type Journal Article
Title Pseudocapacitive response of hydrothermally grown MoS2 crumpled nanosheet on carbon fiber
Authors Kush K. Upadhyay Tuyen Nguyen T. M. Silva Maria J. Carmezim Maria F. Montemor
Groups CSSE
Journal MATERIALS CHEMISTRY AND PHYSICS
Year 2018
Month September
Volume 216
Number
Pages 413-420
Abstract Crumpled MoS2 nanosheets were synthesized directly on carbon fiber paper (CFP) through hydrothermal procedure. Molybdenum sulfide precursor was first produced in the solution and then introduced into the autoclave. Scanning electron microscopy (SEM) and transmission electron microscopy (TEM) images confirmed the uniform growth of crumpled nanosheets on the CFP that were assigned to MoS2 according to X-ray photo electron spectroscopy (XPS) and Raman spectroscopy results. Electrochemical measurements of the as deposited MoS2 crumpled nanosheets performed in 1 M Na2SO4 evidenced a specific capacitance of 249 F g(-1) at 2 A g(-1) and the good rate capability by retaining 41.3\% of initial capacitance at 10 A g(-1). Electrochemical Impedance spectroscopy measurements showed very low charge transfer resistance and very short relaxation time accounting for the pseudocapacitive rectangular cyclic voltammetry (CV) and high rate capability.
DOI http://dx.doi.org/10.1016/j.matchemphys.2018.06.029
ISBN
Publisher
Book Title
ISSN 0254-0584
EISSN 1879-3312
Conference Name
Bibtex ID ISI:000441492000055
Observations
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