Simple Formation of Nanostructured Molybdenum Disulfide Thin Films by Electrodeposition | Zendy

S.K. Ghosh | Zendy; Charu Srivastava | Zendy; Sukhendu Nath | Zendy; JeanPierre Célis | Zendy

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Simple Formation of Nanostructured Molybdenum Disulfide Thin Films by Electrodeposition

Author(s) -

S.K. Ghosh,

Charu Srivastava,

Sukhendu Nath,

JeanPierre Célis

Publication year - 2013

Publication title -

international journal of electrochemistry

Language(s) - English

Resource type - Journals

eISSN - 2090-3537

pISSN - 2090-3529

DOI - 10.1155/2013/138419

Subject(s) - materials science , nanocrystalline material , nanorod , amorphous solid , annealing (glass) , chemical engineering , transmission electron microscopy , molybdenum disulfide , thin film , molybdenum , nanotechnology , crystallography , chemistry , composite material , metallurgy , engineering

Nanostructured molybdenum disulfide thin films were deposited on various substrates by direct current (DC) electrolysis form aqueous electrolyte containing molybdate and sulfide ions. Post deposition annealing at higher temperatures in the range 450–700°C transformed the as-deposited amorphous films to nanocrystalline structure. High temperature X-ray diffraction studies clearly recorded the crystal structure transformations associated with grain growth with increase in annealing temperature. Surface morphology investigations revealed featureless structure in case of as-deposited surface; upon annealing it converts into a surface with protruding nanotubes, nanorods, or dumbbell shape nanofeatures. UV-visible and FTIR spectra confirmed about the presence of Mo-S bonding in the deposited films. Transmission electron microscopic examination showed that the annealed MoS2 films consist of nanoballs, nanoribbons, and multiple wall nanotubes

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