| abstract |
The invention relates to the preparation and application of a MoS 2 @C double-layer hollow sphere with high specific surface area. The morphology of the MoS 2 @C double-layer hollow sphere is a double-layer hollow structure of molybdenum disulfide-coated carbon spheres, and the average size of the MoS 2 @C double-layer hollow sphere is 1-2 μm; wherein the MoS 2 The mass percentage of carbon in @C double-layer hollow spheres is 1%-10%, and the balance is molybdenum disulfide. In the present invention, SiO2 nanospheres are used as sacrificial templates, MoS2 and C are grown on the surface, and then the SiO2 nanospheres are acidified and etched to obtain MoS2 @ C hollow spheres, and MoS2 @C hollow spheres are obtained by using a similar hydrothermal synthesis method. C double-layer hollow spheres, the MoS 2 @C double-layer hollow spheres synthesized by this method can ensure a good combination of MoS 2 and C, and exert the synergistic effect of MoS 2 and C, in which the SiO 2 nanospheres play the role of hard template , which is conducive to the growth of C nanoparticles on its surface, which is helpful for the regulation of the structure and morphology of the hollow spheres, so that the generated MoS 2 @C double-layer hollow spheres have a uniform shape and ensure the uniformity of the photocatalytic/capacitive adsorption effect. |