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韩国志教授课题组在Colloids and Surfaces A: Physicochemical and Engineering Aspects 发表研究论文
阅读次数: 添加时间:2022/03/25 发布:

One-pot Synthesis of Pompon-like Magnetic Hollow SiO2-supported Ag Nanoparticles for Catalytic Application

Zhuo-Rui Li, Bo Jiang, Xiao-Hui Zhang and Guo-Zhi Han*

College of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing, 211816, P.R. China

Abstract

In this paper, we develop a novel pompon-like magnetic hollow SiO2 -supported Ag (SiO2 @Ag) nanoparticles, in which small silver and magnetic nanoparticles were loaded on the hollow silica shell by one-pot solvothermal method. The synthesized material has not only high stability and monodispersity, but also uniform surface element distribution along with good magnetic response. On this basis, we studied the catalytic performance of this pompon-like magnetic hollow SiO2@Ag nanoparticles for the reduction of aromatic nitro compounds, and further carried out extended researches on substrates scope. Research results indicate that the pompon-like magnetic hollow SiO2@Ag nanoparticles have broad-spectrum catalytic activity for the reduction of aromatic nitro compounds. After recycling for 8 times, it can still maintain 90% catalytic efficiency. This study provides a facile strategy for constructing hollow hierarchical structure, and expands the application of noble metal nanoparticles in organic transformation.


Colloids and Surfaces A: Physicochemical and Engineering Aspects2022128838

DOI10.1016/j.colsurfa.2022.128838  IF=4.539

论文链接:https://doi.org/10.1016/j.colsurfa.2022.128838

 

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