| Summary: | A chemically conjugated nanodiamond (ND)/MoS<sub>2</sub> nanocomposite was synthesized with amine-functionalized MoS<sub>2</sub> and acyl chloride-coordinated ND. The chemical structure and morphology of the nanocomposite were characterized to examine the dispersion of MoS<sub>2</sub> on the ND platform. The results revealed that the degree of dispersion was enhanced with increasing ratio of MoS<sub>2</sub> nanosheets to ND. Moreover, the nanosheets consisted of several molecular interlayers that were well-dispersed on the ND platform, thereby forming a nanophase. The efficient electrocapacity of the ND/MoS<sub>2</sub> nanocomposite was considerably greater than that of the MoS<sub>2</sub> electrode alone. Furthermore, the nanophase distribution of MoS<sub>2</sub> on ND with a graphitic shell provided a large surface area and reduced the diffusion distance of ions and electrons. Therefore, the nanophase electrode showed higher electrochemical capacitance than that of the MoS<sub>2</sub> electrode alone.
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