Preparation and Application of Spherical Flower-like Porous Carbon Material
Porous carbon material with a spherical,flower-like structure was successfully synthesized using a combination approach involving aging treatment and hydrothermal carbonization,with glucose serving as the carbon source.The corresponding Pd(OH)2/C catalyst showed high activity in the hydrogenolytic debenzylation of a cage substrate.The effects of the material ratio of MgCl2/Na2CO3,glucose concentration,and aging treatment on the morphology of porous carbon material were studied,and the optimum preparation conditions were determined.The morphology,crystalline structure,specific surface area,and pore size distribution of the resulting porous carbon material were characterized by scanning electron microscope(SEM),X-ray diffraction(XRD),and nitrogen adsorption and desorption test.It was found that rod-shaped magnesium carbonate formed firstly when MgCl2 and Na2CO3 were mixed at room temperature,which transformed to spherical flower-like basic magnesium carbonate after aging treatment at 80 ℃,templating the glucose hydrothermal carbonization.
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