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Electrochemical hydrogen evolution over hydrothermally synthesized re-doped MoS2 flower-like microspheres

dc.contributor.authorAliaga J.
dc.contributor.authorVera P.
dc.contributor.authorAraya J.
dc.contributor.authorBallesteros L.
dc.contributor.authorUrzúa J.
dc.contributor.authorFarías M.
dc.contributor.authorParaguay-Delgado F.
dc.contributor.authorAlonso-Núñez G.
dc.contributor.authorGonzález G.
dc.contributor.authorBenavente E.
dc.date.accessioned2020-09-02T22:11:05Z
dc.date.available2020-09-02T22:11:05Z
dc.date.issued2019
dc.identifier10.3390/molecules24244631
dc.identifier.citation24, 24, -
dc.identifier.issn14203049
dc.identifier.urihttps://hdl.handle.net/20.500.12728/3519
dc.descriptionIn this research, we report a simple hydrothermal synthesis to prepare rhenium (Re)- doped MoS2 flower-like microspheres and the tuning of their structural, electronic, and electrocatalytic properties by modulating the insertion of Re. The obtained compounds were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), high-resolution transmission electron microscopy (HRTEM), Raman spectroscopy, and X-ray photoelectron spectroscopy (XPS). Structural, morphological, and chemical analyses confirmed the synthesis of poorly crystalline Re-doped MoS2 flower-like microspheres composed of few stacked layers. They exhibit enhanced hydrogen evolution reaction (HER) performance with low overpotential of 210 mV at current density of 10 mA/cm2, with a small Tafel slope of 78 mV/dec. The enhanced catalytic HER performance can be ascribed to activation of MoS2 basal planes and by reduction in charge transfer resistance during HER upon doping. © 2019 by the authors.
dc.language.isoen
dc.publisherMDPI AG
dc.subjectHER
dc.subjectHydrogen evolution reaction
dc.subjectHydrothermal synthesis
dc.subjectMolybdenum disulfide
dc.subjectRhenium doping
dc.subjectdisulfide
dc.subjecthydrogen
dc.subjectmicrosphere
dc.subjectmolybdenum
dc.subjectrhenium
dc.subjectcatalysis
dc.subjectchemistry
dc.subjectelectrochemistry
dc.subjectkinetics
dc.subjectspectroscopy
dc.subjectsynthesis
dc.subjectX ray diffraction
dc.subjectCatalysis
dc.subjectChemistry Techniques, Synthetic
dc.subjectDisulfides
dc.subjectElectrochemistry
dc.subjectHydrogen
dc.subjectKinetics
dc.subjectMicrospheres
dc.subjectMolybdenum
dc.subjectRhenium
dc.subjectSpectrum Analysis
dc.subjectX-Ray Diffraction
dc.titleElectrochemical hydrogen evolution over hydrothermally synthesized re-doped MoS2 flower-like microspheres
dc.typeArticle


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