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MoS2 /WS2 -Graphene Composites through Thermal Decomposition of Tetrathiomolybdate/Tetrathiotungstate for
Jan Luxa1, Jack Fawdon2, Zdeněk Sofer3
1Dept. of Inorganic Chemistry, University of Chemistry and Technology Prague, Technická 5, 166 28, Prague 6, Czech Republic.
Abstract:
MoS2 and WS2 have been prepared on a conductive graphene support by thermal reduction of tetrathiotungstate/tetrathiomolybdate and graphite oxide. Whereas the catalytic properties towards hydrogen evolution are strongly influenced by the Magnéli phases formed as a byproduct during the synthesis, the catalytic activity towards oxygen reduction of these composite materials is not affected by this phenomenon and these materials exhibit high catalytic activity towards this industrially important reaction.
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