Fabrication of MIL-53(Al)/Ag/AgCl plasmonic nanocomposite: An improved metal organic framework based photocatalyst for degradation of some organic pollutants

被引：41
作者：
Khodayari, Ali [1 ]
Sohrabnezhad, Shabnam [1 ]
机构：
[1] Univ Guilan, Fac Sci, Dept Chem, POB 1914, Rasht, Iran
来源：
JOURNAL OF SOLID STATE CHEMISTRY | 2021年 / 297卷 / 297期
关键词：
Photo-degradation; Heterojunction; MIL-53(Al)/Ag/AgCl nanocomposite; Plasmonic photocatalyst; LED-Light irradiation; METHYLENE-BLUE; MIL-53; AL; PERFORMANCE; COMPOSITES; OXIDATION; DYE; HETEROSTRUCTURE; OPTIMIZATION; ADSORPTION; STABILITY;
D O I：
10.1016/j.jssc.2021.122087
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Metal organic framework (MOF) based MIL-53(Al)/Ag/AgCl nanocomposite (NC) was synthesized as a novel plasmonic photocatalyst via a facile reflux method. The as-prepared NC was characterized by various techniques. The photocatalytic efficiency of MIL-53(Al)/Ag/AgCl was investigated by photo-degradation of six cationic and anionic dyes. The effect of different factors including weight ratio of NCs, illumination time, and initial dye concentration on the photocatalytic performance of MIL-53(Al)/Ag/AgCl were experimentally investigated. The MIL-53(Al)/Ag/AgCl(10%) exhibited the highest catalytic performance for photo-degradation of different dye contaminants. Results indicated about 80-100% of tested dyes were removed by MIL-53(Al)/Ag/AgCl under LED-light irradiation in 90 min. Because of heterojunction between the Ag/AgC1 nanoparticles (NPs) and MIL-53(Al), the MIL-53(Al)/Ag/AgCl NC showed higher photocatalytic ability. The results confirmed that due to some considerable features of MIL-53(Al)/Ag/AgCl such as high surface area, surface plasmon resonance effect, and recyclability, the introduced NC acts as a high performance photocatalyst for degradation of dyes in aqueous solutions.
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页数：16
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