High reduction of 4-nitrophenol using reduced graphene oxide/Ag synthesized with tyrosine

High reduction of 4-nitrophenol using reduced graphene oxide/Ag synthesized with tyrosine There is a demand for the development of environmental friendly methods for the synthesis of graphene composites. Reduced graphene oxide/silver (RGO/Ag) nanocomposites are very good catalysts. Here, we propose a simple, green method for the synthesis of RGO/Ag nanocomposite using the amino acid tyrosine as bioreductant and stabilizing agent. RGO/Ag nanocomposite was characterized by using various analytical techniques and studied for its catalytic degradation of 4-nitrophenol. Results of attenuated total reflectance Fourier transform infrared spectroscopy and Zeta potential at −55 mV reveal the surface capping of tyrosine onto the reduced graphene oxide nanosheets. RGO/Ag nanocomposites show excellent catalytic reduction of 4-nitrophenol with NaBH4, when compared to actual individual silver nanoparticles. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Environmental Chemistry Letters Springer Journals

High reduction of 4-nitrophenol using reduced graphene oxide/Ag synthesized with tyrosine

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Publisher
Springer Journals
Copyright
Copyright © 2017 by Springer International Publishing Switzerland
Subject
Environment; Environmental Chemistry; Ecotoxicology; Pollution, general; Analytical Chemistry; Geochemistry
ISSN
1610-3653
eISSN
1610-3661
D.O.I.
10.1007/s10311-017-0610-x
Publisher site
See Article on Publisher Site

Abstract

There is a demand for the development of environmental friendly methods for the synthesis of graphene composites. Reduced graphene oxide/silver (RGO/Ag) nanocomposites are very good catalysts. Here, we propose a simple, green method for the synthesis of RGO/Ag nanocomposite using the amino acid tyrosine as bioreductant and stabilizing agent. RGO/Ag nanocomposite was characterized by using various analytical techniques and studied for its catalytic degradation of 4-nitrophenol. Results of attenuated total reflectance Fourier transform infrared spectroscopy and Zeta potential at −55 mV reveal the surface capping of tyrosine onto the reduced graphene oxide nanosheets. RGO/Ag nanocomposites show excellent catalytic reduction of 4-nitrophenol with NaBH4, when compared to actual individual silver nanoparticles.

Journal

Environmental Chemistry LettersSpringer Journals

Published: Feb 21, 2017

References

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