Engineering of Z-scheme 2D/3D architectures with Bi2MoO6 on TiO2 nanosphere for enhanced photocatalytic 4-nitrophenol degradation
Engineering of Z-scheme 2D/3D architectures with Bi2MoO6 on TiO2 nanosphere for enhanced photocatalytic 4-nitrophenol degradation
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TiO2 纳米球上 Bi2MoO6 的 Z 型 2D/3D 结构工程,用于增强光催化 4-硝基苯酚降解
DOI:
10.1016/j.jtice.2019.09.024
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发表时间:
2019-12
影响因子:
5.7
通讯作者:
Qifang Lu
中科院分区:
文献类型:
--
作者:
Qian Yang;Enyan Guo;Hao Liu;Qifang Lu
A novel Z-scheme Bi2MoO6nanosheets/TiO2nanosphere (BT) heterojunction in which numerous Bi2MoO6nanosheets uniformly grow on the surface of TiO2nanospheres was synthesized through a simple two-step hydrothermal process. The resulting BT heterostructures possess high surface areas and porous structures, providing abundant active sites for photocatalysis. The “line-to-surface” synergistic effect between Bi2MoO6nanosheets and TiO2nanospheres endow the Z-scheme heterojunction with high transfer efficiency of photogenerated carriers and increased electron lifetime for photodegradation. As a result, the as-made BT photocatalysts present superier photocatalytic performance and excellent cyclic stability for the photodegradation of 4-nitrophenol in water than pure Bi2MoO6and TiO2. The smart construction of novel Z-scheme structure in this work would afford a plausible way for designing the promising photocatalysts to address environmental matters.
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