Well-dispersed hollow porous carbon spheres synthesized by direct pyrolysis of core-shell type metal-organic frameworks and their sorption properties.

Well-dispersed hollow porous carbon (HPC) spheres are prepared by the pyrolysis of polystyrene@ZIF-8 core-shell microspheres. The resulting HPC spheres have high surface areas and show tremendous methylene blue adsorption ability due to the lack of agglomeration, excellent dispersion, and high surface-to-volume ratio.

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