Gold nanoparticles supported on carbon coated magnetic nanoparticles; a robustness and effective catalyst for aerobic alcohols oxidation in water

被引:3
|
作者
Karami, Shima [1 ]
Esfahani, Farhad Kabiri [1 ]
Karimi, Babak [2 ,3 ]
机构
[1] Univ Zanjan, Fac Sci, Dept Chem, Zanjan 4537138791, Iran
[2] Inst Adv Studies Basic Sci IASBS, Dept Chem, POB 45195-1159,Prof Sobouti Blvd, Zanjan 451376731, Iran
[3] Inst Adv Studies Basic Sci IASBS, Res Ctr Basic Sci & Modern Technol RBST, Prof Sobouti Blvd, Zanjan 4513766731, Iran
来源
MOLECULAR CATALYSIS | 2023年 / 534卷
基金
美国国家科学基金会;
关键词
Gold nanoparticles; Carbon; Aerobic oxidation of alcohols; Water; Magnetic nanoparticles; PERIODIC MESOPOROUS ORGANOSILICA; DIRECT PROPYLENE EPOXIDATION; SELECTIVE OXIDATION; AU NANOPARTICLES; EFFICIENT CATALYST; HIGHLY EFFICIENT; PALLADIUM NANOPARTICLES; COUPLING REACTION; MOLECULAR-OXYGEN; MORPHOLOGY;
D O I
10.1016/j.mcat.2022.112772
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Three kinds of gold nanoparticles supported by carbon-coated magnetic nanoparticles were prepared using distinct reduction processes and appropriate quantities of carbon support. Among them, an active and magnetically recoverable catalyst known as Fe3O4@C@Au(H) was instrumental in the aerobic oxidation of al-cohols in water, where it produced carbonyl compounds with high selectivities without the formation of any carboxylic acids in the case of primary alcohol. The recovered Au catalyst can be used efficiently and quickly in ten successive runs without a noteworthy decrease in activity and, simply isolated from the water by using an external magnetic at the end of the process. In particular, the possibility to carry out the reaction in water, and simultaneously, the straightforward protocol for recycling via the easy and rapid separation method makes this catalytic system a credible candidate towards the target of green chemistry.
引用
收藏
页数:8
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