花枝状纳米银的制备及对4-硝基苯酚加氢反应的催化性能

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Abstract The flower-dendritic silver nanopowder has been one-step synthesized by reducing silver nitrate with ferrous sulfate under the protection of citric acid and PVP in aqueous solution. The microstructure of flower-dendritic silver nanopowder was investigated through different characteristic methods including X-ray powder diffraction (XRD) and scanning electron microscopy (SEM), and the possible formation mechanism of flower-dendritic silver nanopowder was explored. Furthermore, the as-prepared silver nanopowder exhibited superior catalytic activity in the hydrogenation reduction of p-Nitrophenol.

Key words： nano silver flower-dendritic structure 4-nitrophenol hydrogenation reduction

Published: 05 July 2019

CLC number:

TM241

About author:: Yunxiu Chao received her B.E. degree in polymer materials science and engineering from Wuhan Institute of Technology in 2016. She is currently pursuing her Master’s degree at Kunming Institute of Precious Metals under the supervision of Dr. Hongwei Yang. Her research has focused on preparation and application of flaky nanosilver.>Hongwei Yang received his Ph.D. degree in physical chemistry from Xiamen University in 2012. He is currently an associate professor in Kunming Institute of Precious Me-tals. His research interests are preparation, characterization, and application of precious metals nanomaterials.

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	CHAO Yunxiu
	YANG Hongwei
	YUAN Ximin
	LI Yuxiu
	LI Yao

Cite this article:

CHAO Yunxiu,YANG Hongwei,YUAN Ximin, et al. Preparation and Catalytic Activity in p-Nitrophenol Hydrogenation of Flower-dendritic Nano Silver[J]. Materials Reports, 2019, 33(z1): 307-309.

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http://www.mater-rep.com/EN/ OR http://www.mater-rep.com/EN/Y2019/V33/Iz1/307

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