Abstract

The reduced graphene oxide/graphitic carbon nitride composite (rGO/g-C3N4) was ultra-rapidly obtained via microwave irradiation using GO and melamine as raw materials, carbon fiber as microwave absorber, respectively. Results of structural investigation indicated that the rGO/g-C3N4 heterostructures was successfully set up with the blend of rGO and g-C3N4, and the existence of rGO hadn’t disrupted the lattice structure of g-C3N4. The pseudo-first order kinetic constant of Rhodamine B (RhB) photodegraded by rGO/g-C3N4 under visible light was 2.86 times as large as that of g-C3N4, which could be mainly ascribed to the more efficient separation of photogenerated electron–hole pairs caused by the synergistic effect of rGO and g-C3N4.

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