A Novel In-Situ Synthesis and Enhanced Photocatalytic Performance of Z-Scheme Ag/AgI/AgBr/Sulfonated Polystyrene Heterostructure Photocatalyst

被引：10
|
作者：
Song, Bing [1 ]
Tang, Qingjie [1 ]
Wu, Wenrong [1 ]
Zhang, Huoli [1 ]
Cao, Jianliang [1 ]
Ma, Mingjie [1 ]
机构：
[1] Henan Polytech Univ, Coll Chem & Chem Engn, Jiaozuo 454000, Henan, Peoples R China
来源：
JOURNAL OF INORGANIC AND ORGANOMETALLIC POLYMERS AND MATERIALS | 2018年 / 28卷 / 03期
基金：
中国博士后科学基金; 中国国家自然科学基金;
关键词：
Ag/AgI/AgBr; Polymers; Optical materials and properties; Semiconductors; AGBR-AG-BI2WO6 NANOJUNCTION SYSTEM; VISIBLE-LIGHT; EFFICIENT PHOTOCATALYST; PHOTOINDUCED STABILITY; CONSTRUCTION; DRIVEN; RESINS; AG;
D O I：
10.1007/s10904-017-0747-x
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Novel Z-scheme Ag/AgI/AgBr/sulfonated polystyrene composite is prepared via ion-exchange followed by light reduction. The photocatalytic activities of as-synthesized samples are evaluated through the degradation of methyl orange (RhB) under visible light irradiation. The Z-scheme Ag/AgI/AgBr/SPs photocatalysts display excellent photocatalytic activity and stability compared with Ag/AgI and Ag/AgBr. The improved photocatalytic activity is mainly due to the combined effects of the Z-scheme structure of Ag/AgI/AgBr/SPs and the strong surface plasmon resonance effect of Ag-0 nanoparticles. Moreover, after four successive cycles, the Ag/AgI/AgBr/SPs photocatalysts have no obvious loss of activity for the degradation of RhB, illustrating that the Z-scheme Ag/AgI/AgBr/SPs photocatalysts are rather stable under visible-light irradiation.
引用
收藏
页码：805 / 811
页数：7
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