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Superior Electrocatalytic Activity of MoS2-Graphene as Superlattice
Alejandra Rendón-Patiño1, Antonio Domenech-Carbó2, Ana Primo1
1Instituto de Tecnología Química (CSIC-UPV) and Department of Chemistry, Consejo Superior de Investigaciones Científicas-Universitat Politècnica de Valencia, Avenida de los Naranjos s/n, 46022 Valencia, Spain.
Abstract:
Evidence by selected area diffraction patterns shows the successful preparation of large area (cm × cm) MoS2/graphene heterojunctions in coincidence of the MoS2 and graphene hexagons (superlattice). The electrodes of MoS2/graphene in superlattice configuration show improved catalytic activity for H2 and O2 evolution with smaller overpotential of +0.34 V for the overall water splitting when compared with analogous MoS2/graphene heterojunction with random stacking.
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