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A Facile Synthesis of Heterojunctional BiVO4/Bi5O7I with Enhanced Photocatalytic Activity for Organic Dyes Degradation
Ist Teil von
Journal of inorganic and organometallic polymers and materials, 2020-05, Vol.30 (5), p.1829-1838
Ort / Verlag
New York: Springer US
Erscheinungsjahr
2020
Quelle
Alma/SFX Local Collection
Beschreibungen/Notizen
Photocatalysis technology has risen to effectively degrade the hardly-degraded organic pollutants in recent years and the photocatalysts play an important role in striding the obstacles of the visible light response. Herein, a high-efficiency BiVO
4
/Bi
5
O
7
I heterojunctional photocatalysts have been purposefully designed by controlling the reactant ratios and ultrasonic time of reaction at room temperature. Photocatalytic experimentals confirm that the prepared optimal BiVO
4
/Bi
5
O
7
I composites displayed enhanced photocatalytic ability to degrade rhodamine B and quinoline blue under visible light irradiation. Furthermore, the photocatalysts exhibits high photostability and reusability proved by four consecutive cycling experiments. A possible mechanism of p–n heterojunctional BiVO
4
/Bi
5
O
7
I composites enhanced the photocatalytic performance was discussed in detail on the basis of the reactive species trapping experiments in photocatalytic degradation process.