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The synthesis and catalytic activity of bimetallic CuAg nanoparticles and their magnetic hybrid composite materials.

Authors :
Xie, Ruifeng
Wei, Te
Bai, Shuang
Wang, Zhida
Chai, Fang
Chen, Lihua
Zang, Shuying
Source :
New Journal of Chemistry; 6/21/2020, Vol. 44 Issue 23, p9684-9690, 7p
Publication Year :
2020

Abstract

Bimetallic CuAg nanoparticles were synthesized using uric acid as a stabilizer, Fe<subscript>3</subscript>O<subscript>4</subscript> loaded CuAg nanoparticles (Fe<subscript>3</subscript>O<subscript>4</subscript>–CuAg NPs) were also fabricated, and the morphology and content of both CuAg NPs and Fe<subscript>3</subscript>O<subscript>4</subscript>–CuAg NPs were investigated. The bimetallic CuAg NPs can be used as a catalyst and exhibited superior catalytic performance in the hydrogenation of nitrophenols and potassium ferricyanide(III). Notably, the bimetallic CuAg NPs and Fe<subscript>3</subscript>O<subscript>4</subscript>–CuAg NPs showed better catalytic activity compared with the same amount of Ag NPs in the hydrogenation of 4-nitrophenol, with rate constants k of 20.02 × 10<superscript>−3</superscript> s<superscript>−1</superscript> and 20.19 × 10<superscript>−3</superscript> s<superscript>−1</superscript>, respectively. The magnetic Fe<subscript>3</subscript>O<subscript>4</subscript>–CuAg NPs can be re-used as a catalyst at least five times, promoting the concept of recycling by improving the deficiency in the disposable use of colloidal nanoparticles. [ABSTRACT FROM AUTHOR]

Details

Language :
English
ISSN :
11440546
Volume :
44
Issue :
23
Database :
Complementary Index
Journal :
New Journal of Chemistry
Publication Type :
Academic Journal
Accession number :
143786922
Full Text :
https://doi.org/10.1039/d0nj02148b