Na0.5Ce0.5MoO4 as a new light absorption material to efficiently degrade RhB under visible light irradiation

Abstract

It still remains a big challenge to develop an efficient visible light responsive photocatalyst for the full utilization of solar energy. In this work, Na_0.5Ce_0.5MoO₄ has been developed as a new, high visible light absorption medium and a high electron-conducting material. It has greatly improved the visible light absorbance and the charge separation and transfer rates of the Na_0.5Ce_0.5MoO₄/MoO₃ heterojunction. Amazingly, the activity of Na_0.5Ce_0.5MoO₄ (10%)/MoO₃ is 6.4 times higher than that of MoO₃ for the photodegradation of RhB under visible light irradiation (λ ≥ 420 nm). We expect that Na_0.5Ce_0.5MoO₄ could be applied to prepare other excellent visible light heterojunction photocatalysts to fully utilize solar energy.