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A novel hierarchical structural hybrid of two-dimensional CoS1.097 sheets assembled and decorated on reduced graphene oxide sheets (CoS1.097/RGO) with an intriguing sandwich-like structure are evaluated as electrocatalyst for the reduction of triiodide. In this composite, RGO worked as high speed electronical conductive platforms facilitates transfer of electrons, while CoS1.097 nanosheets as high-catalytically...
A novel nanocomposite of Co0.85Se nanotubes with reduced graphene oxide (Co0.85Se/RGO) is prepared by a facile hydrothermal approach coupled with in situ selenization, which is applied as counter electrode in dye-sensitized solar cells. Electrochemical analysis shows that the Co0.85Se/RGO composite displays a higher electrocatalytic activity for the reduction of triiodide respect to its single components...
A novel sandwich-like hierarchical structure composed of reduced graphene oxide (RGO) and uniform cobalt disulfide (CoS2) octahedrons is successfully prepared by a simple one-step solvothermal process, in which Co2+ cations attracted into graphene framework by the electrostatic adsorption induce the growth of octahedral CoS2 nanoparticles between the layers of graphene. The fascinating sandwich-like...
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