Facile synthesis of porous g-C3N4/β-SiAlON material with visible light photocatalytic activity

被引：18
|
作者：
Akulinkin, Alexander [1 ]
Bolgaru, Konstantin [1 ]
Reger, Anton [1 ]
机构：
[1] Russian Acad Sci, Siberian Branch, Tomsk Sci Ctr, 10-3 Akad Skii Ave, Tomsk 634055, Russia
来源：
MATERIALS LETTERS | 2021年 / 305卷
关键词：
Porous materials; Photocatalyst; g-C3N4; beta-SiAlON; GRAPHITIC CARBON NITRIDE; SIALON CERAMICS; SILICON-NITRIDE; G-C3N4; FABRICATION;
D O I：
10.1016/j.matlet.2021.130788
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A porous material based on beta-SiAlON ceramic matrix was synthesized by the combustion of ferrosiliconaluminum (FSA) in nitrogen atmosphere. The material was used as a substrate for a graphitic carbon nitride (g-C3N4)-based photocatalyst. g-C3N4 was loaded on the beta-SiAlON-based ceramic composite by thermal treatment of carbamide in the presence of the composite. As a result, the g-C3N4 particles were uniformly distributed in beta-SiAlON composite pores. The resulting material has displayed high stability and photocatalytic activity for murexide oxidation in aqueous solution under visible-light irradiation. The results obtained have shown the approach to the preparation of g-C3N4 supported on the porous ceramic composite has potential as advanced technology to fabricate photocatalysts for the removal of organic pollutants from water.
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页数：4
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