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Ô­ÎÄ£ºPreparation of Mo2C/GCSs: 0.10 g (NH4)6Mo7O24¡¤4H2O and 0.20 g sodium alginate were grounded to form homogeneous powder. The solid mixture was annealing at 200 ¡ãC for 2 h, and then heated at 10 ¡ãC min-1 up to 900 ¡ãC for 6 h in Ar atmosphere. After cooled to room temperature naturally, the resulting black solid resulting was
collected, washed by centrifugation with distilled water several times to remove the residue of reactants, and finally dried in vacuum at 80 ¡ãC. The resulting power was sonicated at 480 W for 10 min to obtain Mo2C/GCSs £¨×îºóÒ»¾ä»°µÄÀí½â£¿£©.
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