Physicochemical characteristics of electrochemically deposited molybdenum sulfide and polypyrrole-tetrathiomolybdate/molybdenum trisulfide composite electrodes

Journal Article · Tue Jun 01 04:00:00 EDT 1993 · Chemistry of Materials; (United States)

DOI:https://doi.org/10.1021/cm00030a024· OSTI ID:6003124

Belanger, D; Laperriere, G; Girard, F ^[1]; Guay, D; Tourillon, G ^[2]

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1. Universite du Quebec a Montreal (Canada)
2. Universite Paris-Sud, Orsay (France)

Amorphous molybdenum sulfide and polypyrrole-tetrathiomolybdate/molybdenum sulfide thin films obtained by electrodeposition from aqueous solutions of ammonium tetrathiomolybdate and pyrrole + ammonium tetrathiomolybdate, respectively, have been characterized by elemental analysis, Auger electron spectroscopy, X-ray photoelectron spectroscopy, infrared spectroscopy, and X-ray absorption spectroscopy. The authors' data revealed that the structure of electrochemically and thermally produced molybdenum trisulfide are identical but that additional sulfur is also present in the electrodeposited material. On the other hand, polypyrrole films grown in the presence of tetrathiomolybdate as the counterion also contains molybdenum trisulfide. Elemental analysis and X-ray absorption spectroscopy of polypyrrole-tetrathiomolybdate/molybdenum trisulfide thin film suggest that 30% of molybdenum is under the MoS[sub 4][sup 2[minus]] form and 70% is present as MoS[sub 3]. 34 refs., 9 figs., 1 tab.

• OSTI ID: 6003124
• Journal Information: Chemistry of Materials; (United States), Journal Name: Chemistry of Materials; (United States) Vol. 5:6; ISSN CMATEX; ISSN 0897-4756
• Country of Publication: United States
• Language: English

Related Subjects

25 ENERGY STORAGE
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36 MATERIALS SCIENCE
360602* -- Other Materials-- Structure & Phase Studies
ABSORPTION SPECTROSCOPY
AUGER ELECTRON SPECTROSCOPY
AZOLES
CHALCOGENIDES
CHEMICAL COMPOSITION
DEPOSITION
ELECTRODEPOSITION
ELECTRODES
ELECTROLYSIS
ELECTRON SPECTROSCOPY
FILMS
HETEROCYCLIC COMPOUNDS
LYSIS
MOLECULAR STRUCTURE
MOLYBDATES
MOLYBDENUM COMPOUNDS
MOLYBDENUM SULFIDES
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
OXYGEN COMPOUNDS
PHOTOELECTRON SPECTROSCOPY
PYRROLES
REFRACTORY METAL COMPOUNDS
SPECTROSCOPY
SULFIDES
SULFUR COMPOUNDS
SURFACE COATING
THIN FILMS
TRANSITION ELEMENT COMPOUNDS
X-RAY SPECTROSCOPY