Multiple modifications of BiVO4 through the assembly of metal-phenolic networks for enhanced photocatalytic activity

Multiple modifications of BiVO4 through the assembly of metal-phenolic networks for enhanced photocatalytic activity
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通过组装金属酚网络对 BiVO4 进行多重修饰以增强光催化活性

DOI:
10.1016/j.catcom.2019.02.018
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发表时间:
2019-04
影响因子:
3.7
通讯作者:
Yin Hu
Yin Hu
中科院分区:
化学3区
文献类型:
--
作者:
Wei Chen;Yin Hu

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首次利用天然多酚单宁酸与Ru(III)离子在室温下在BiVO4表面形成RuIII-单宁酸络合物壳层。同时,利用单宁酸的配位还原作用,一步合成了包埋在壳层中的纳米Pd的BiVO4@RuIII-单宁酸核壳配合物。BiVO4、RuIII-单宁酸络合物、Pd纳米粒子之间的光能效应有助于提高可见光催化活性。本研究可望为新型特种材料的设计提供思路和概念。
The natural polyphenol tannic acid is firstly utilized to coordinate with Ru(III) ions to form RuIII-tannic acid complexes shell on the surface of BiVO4at room temperature. Meanwhile, one-step synthesis of BiVO4@RuIII-tannic acid complexes core-shell embedded with Pd nanoparticles in the shell layer is achieved by the use of tannic acid for coordination and reduction. The photosynergistic effect among the components of BiVO4, RuIII-tannic acid complexes, Pd nanoparticle contributes to the enhanced visible light photocatalytic acitivity. This study will hopefully provide ideas and concepts for designing novel materials for specialized purposes.
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