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TiO<sub>2</sub>/vanadate (Sr<sub>10</sub>V<sub>6</sub>O<sub>25</sub>, Ni<sub>3</sub>V<sub>2</sub>O<sub>8</sub>, Zn<sub>2</sub>V<sub>2</sub>O<sub>7</sub>) heterostructured photocatalysts with enhanced photocatalytic activity for photoreduction of CO<sub>2</sub> into CH<sub>4</sub>

61

Citations

35

References

2015

Year

Abstract

A series of TiO2/vanadate (Sr10V6O25, Ni3V2O8, Zn2V2O7) heterostructured photocatalysts were prepared by a simple sol-gel method. The theoretical calculations imply the possible energy band match between TiO2 and vanadates. Characterized by XRD, Raman, TEM, EDX, XPS, absorption spectra, PL and time-resolved PL decay curves, it is revealed that the vanadates, which exist on the surface of TiO2, could suppress the recombination of charge carriers, prolong the life-time of photogenerated electrons and provide surface reactive hole sites, improving the photocatalytic activity for photo-reduction of CO2 into CH4.

References

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