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

Md. Tariqul Islam; Jose Rosales; Ricardo Saenz-Arana; Roy Arrieta; Hoejin Kim; Kazi Afroza Sultana; Yirong Lin; Dino Villagran; Juan C. Noveron

doi:10.1039/C9NJ02096A

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

Md. Tariqul Islam,

*^ab Jose Rosales,^a Ricardo Saenz-Arana,^a Roy Arrieta,^a Hoejin Kim,^c Kazi Afroza Sultana,^d Yirong Lin,^c Dino Villagran

^ab and Juan C. Noveron*^ab

Author affiliations

* Corresponding authors

^a Department of Chemistry, University of Texas at El Paso, 500 West University Avenue, El Paso, Texas 79968, USA
E-mail: mtislam@miners.utep.edu, tariqul.lab@gmail.com, jcnoveron@utep.edu

^b Nanosystems Engineering Research Center for Nanotechnology-Enabled Water Treatment, 6100 Main St, Houston, TX 77005, USA

^c Department of Mechanical Engineering, University of Texas at El Paso, 500 West University Avenue, El Paso, Texas 79968, USA

^d Department of Environmental Science and Engineering, University of Texas at El Paso, 500 West University Avenue, El Paso, Texas 79968, USA

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.

Article information

https://doi.org/10.1039/C9NJ02096A

Article type

Paper

Submitted

24 Apr 2019

Accepted

24 May 2019

First published

24 May 2019

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New J. Chem., 2019,43, 10045-10055

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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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New Journal of Chemistry

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

Abstract

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

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