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Issue 25, 2019
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Synthesis of high surface area transition metal sponges and their catalytic properties

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Abstract

We have reported sucrose-mediated facile route for the preparation of high surface area cobalt (Co), nickel (Ni), and copper (Cu) sponges. Scanning electron microscopy (SEM) and transmission electron microscopy (TEM) revealed the sponge-like and nanoparticle-like morphologies of the metal sponges. The catalytic activity of the metal sponges was studied via the reduction of organic pollutants, including 4-nitrophenol (4-NP), methyl orange (MO) and methylene blue (MB) in water. It was found that the Cu sponge exhibited the fastest rate for the reduction of 4-NP, MO, and MB, followed by the Co and Ni sponges, respectively. The metal sponges exhibited excellent catalytic stability for the reduction of 4-NP for multiple cycles. In addition, due to their magnetic properties, the Co and Ni sponges could be easily recovered and reused by applying an external magnetic field.

Graphical abstract: Synthesis of high surface area transition metal sponges and their catalytic properties

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Article information


Submitted
24 Apr 2019
Accepted
24 May 2019
First published
24 May 2019

New J. Chem., 2019,43, 10045-10055
Article type
Paper

Synthesis of high surface area transition metal sponges and their catalytic properties

Md. T. Islam, J. Rosales, R. Saenz-Arana, R. Arrieta, H. Kim, K. A. Sultana, Y. Lin, D. Villagran and J. C. Noveron, New J. Chem., 2019, 43, 10045
DOI: 10.1039/C9NJ02096A

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