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Efficient visible-light-responsive photocatalyst: hybrid TiO2-Ag3PO4 nanorods
Chemical Physics ( IF 2.3 ) Pub Date : 2019-01-16 , DOI: 10.1016/j.chemphys.2019.01.015
Yulong Jia , Ying Ma , Lili Zhu , Jun Dong , Yinhe Lin

Herein, ordered TiO2-Ag3PO4 nanorods are fabricated by loading Ag3PO4 nanoparticles on the as-prepared brookite TiO2 nanorods. The amount of Ag3PO4 nanoparticles loaded on brookite TiO2 nanorods can be rationally optimized. These hybrid TiO2-Ag3PO4 nanorods could provide large surface area, extend the visible light absorption and facilitate the charge separation, leading to efficient visible-light-driven photocatalytic performance. When evaluated as photocatalysts under visible light illumination, all the hybrid TiO2-Ag3PO4 nanorods exhibit high photocatalytic activity for degrading 2-propanol. Particularly, TiO2-Ag3PO4-3 enables the best photocatalytic property, which yields high acetone production of 147 ppm at 3 h and CO2 production of 424 ppm at 11 h.



中文翻译:

高效的可见光响应型光催化剂:TiO 2 -Ag 3 PO 4杂化纳米棒

在此,通过将Ag 3 PO 4纳米颗粒负载在所制备的板钛矿TiO 2纳米棒上来制造有序的TiO 2 -Ag 3 PO 4纳米棒。可以合理地优化板钛矿TiO 2纳米棒上负载的Ag 3 PO 4纳米颗粒的量。这些杂化的TiO 2 -Ag 3 PO 4纳米棒可提供大的表面积,扩展可见光的吸收并促进电荷分离,从而导致有效的可见光驱动的光催化性能。当在可见光照射下被评估为光催化剂时,所有杂化TiO 2-Ag 3 PO 4纳米棒对降解2-丙醇具有很高的光催化活性。特别地,TiO 2 -Ag 3 PO 4 -3能够实现最佳的光催化性能,从而在3小时内产生147 ppm的高丙酮产量,在11 h处产生424 ppm的CO 2高产量。

更新日期:2019-01-17
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