Abstract
Carbon/g-C3N4 composites (C/g-C3N4) with various carbon contents have been prepared by a simple experimental protocol from glucose and dicyandiamide. The results of the characterization of the as-prepared materials indicated that the skeleton structure of g-C3N4 was not altered upon formation of the composite supports and the resulting composites showed a gradual increasing light harvesting capability with the carbon content. Ru-supported catalysts were synthesized from C/g-C3N4 and assessed in the ammonia borane dehydrogenation reaction under dark and visible light irradiation conditions. The enhanced performance displayed by Ru/C/g-C3N4 photocatalysts as compared to Ru/g-C3N4 counterpart might be the result of the effect of the addition of carbon in dispersing and stabilizing small Ru nanoparticles and enhancing the optical absorption properties.
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