Decoration of ultrathin MoS₂ nanoflakes over MWCNTs: enhanced supercapacitive performance through electrode to symmetric all-solid-state device
Date
2017
Authors
Karade, S.
Dubal, D.
Sankapal, B.
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Journal article
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ChemistrySelect, 2017; 2(32):10405-10412
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Swapnil S. Karade, Deepak P. Dubal and Babasaheb R. Sankapal
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Abstract
Ultrathin nanoflakes surface architecture of MoS₂ thin film has been successfully decorated by simple and inexpensive chemical bath deposition onto dip and dry coated multiwalled carbon nanotubes (MWCNTs) to compare electrochemical performance with respect to individual MWCNTs and MoS₂ thin films on flexible stainless steel (SS) substrates. Two dimensional thin films of MWCNTs, MoS₂ and MoS₂/MWCNTs (MCT) have been characterized through X‐ray diffraction, X‐ray photospectroscopy, Raman spectroscopy and scanning/transmission electron microscopes. The unique nanostructured morphology of well anchored nanoflakes over MWCNTs enhances the value of specific capacitance and improves the cycle stability compare to bare MoS₂. Strikingly, all‐solid‐state (ASS) symmetric SS/MCT//MCT/SS supercapacitor device has been constructed using flexible stainless steel substrate with the aid of PVA‐LiClO₄ gel electrolyte and results are discussed herein.
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© 2017 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim