Preparation of MoS2-reduced graphene oxide (rGO) hybrid paper for catalytic applications by simple exfoliation-costacking

MoS2-graphene oxide (GO) hybrids of different compositions were prepared in the form of a few micron thick flexible paper by a simple ambient condition evaporation of a mixture of colloidal dispersions of ammoniated MoS2 and GO. These, on thermal reduction at 400 °C, convert to MoS2-reduced graphene oxide (rGO) hybrids, retaining the macroscopic paper-like structure. These hybrids act as efficient photocatalysts for organic dye degradation and catalyze the reduction of nitrocompounds by sodium borohydride almost as well as 1T-MoS2. MoS2 is present in both 1T and 2H forms in the hybrids. As the rGO content increases, the hybrid gets richer in 1T-MoS2, leading to increased catalytic efficiency.

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