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Ag, Zn and Cu nanoparticles synthesized from Eichhornia crassipes leaf extracts and their application in phenol photocatalytic degradation.

Published online by Cambridge University Press:  04 November 2019

Monserrat Velázquez-Hernández ,
Pablo Schabes-Retchkiman ,
Javier Illescas ,
M.G. Macedo ,
J.C González-Juárez  and
Sonia Martínez-Gallegos Open the ORCID record for Sonia Martínez-Gallegos [Opens in a new window]
Monserrat Velázquez-Hernández
Affiliation:
Tecnológico Nacional de México/ Instituto Tecnlógico de Toluca, División de Estudios de Posgrado, Av. Tecnológico S/N Ex Rancho La Virgen, Metepec, México, C.P. 52140 Instituto de Física, Universidad Nacional Autónoma de México, Apartado Postal 20-364, Distrito Federal., México.
Pablo Schabes-Retchkiman
Affiliation:
Instituto de Física, Universidad Nacional Autónoma de México, Apartado Postal 20-364, Distrito Federal., México.
Javier Illescas
Affiliation:
Tecnológico Nacional de México/ Instituto Tecnlógico de Toluca, División de Estudios de Posgrado, Av. Tecnológico S/N Ex Rancho La Virgen, Metepec, México, C.P. 52140
M.G. Macedo
Affiliation:
Tecnológico Nacional de México/ Instituto Tecnlógico de Toluca, División de Estudios de Posgrado, Av. Tecnológico S/N Ex Rancho La Virgen, Metepec, México, C.P. 52140
J.C González-Juárez
Affiliation:
Tecnológico Nacional de México/ Instituto Tecnlógico de Toluca, División de Estudios de Posgrado, Av. Tecnológico S/N Ex Rancho La Virgen, Metepec, México, C.P. 52140
Sonia Martínez-Gallegos*
Affiliation:
Tecnológico Nacional de México/ Instituto Tecnlógico de Toluca, División de Estudios de Posgrado, Av. Tecnológico S/N Ex Rancho La Virgen, Metepec, México, C.P. 52140
*
*(Email: [email protected])
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Abstract

In this study, silver, zinc and copper nanoparticles, AgNPs, ZnNPs and CuNPs, were tested on photodegradation using phenol as a model contaminant. The nanoparticles were phytosynthesized from an aqueous extract of Eichhornia crassipes leaves, and were characterized by UV-visible spectroscopy, EDS (Dispersive Energy X-ray Spectroscopy), SEM (Scanning Electron Microscopy), and TEM (Transmission Electron Microscopy). The AgNPs, ZnNPs and CuNPs showed a characteristic plasmon determined by UV-Vis; in the case of the EDS analyses Ag, Zn and Cu were detected as the main components. The detected composition by TEM corresponded to a metallic oxide for the three nanoparticles. Finally, for the photocatalytic performance on the phenol degradation under UV radiation, they showed about 50%, 52% and 34% with a 10 mg/L phenol solution that was achieved within 200 min using AgNPs, ZnNPs and CuNPs, respectively.

Keywords

AgCuZnnanoscale
Type
Articles
Information
MRS Advances , Volume 4 , Issue 59-60: International Materials Research Congress XXVIII , 2019 , pp. 3251 - 3258
Copyright
Copyright © Materials Research Society 2019 

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