Abstract
A novel g-C3N4/TiO2 nanobelt (NB) heterostructure was successfully designed and prepared. The as-prepared g-C3N4/TiO2 NB heterostructure exhibited high photocatalytic activity not only in the photodegradation of Rhodamine B (RhB) but also in photocatalytic H2 production. The g-C3N4/TiO2 NB heterostructure with a mass ratio of 1:1 demonstrated the best performance in the photodegradation of RhB, whereas a mass ratio of 3:1 demonstrated the highest H2 production rate of 46.6μmolh−1 in photocatalytic H2 production. We conclude that the synergistic effect between g-C3N4 and TiO2 NBs promotes the photogenerated carrier separation in space. This valuable insight into the rational architectural design of nanostructure-based photocatalysts is expected to shed light on other photocatalytic reaction systems in the future.
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