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Synthesis of ZnO at Different Atomic Proportion Produced by Chemical Precipitation

Published online by Cambridge University Press:  03 January 2013

A. Medina ,
L. Béjar  and
G. Herrera-Pérez
A. Medina
Affiliation:
UMSNH, Instituto de Investigaciones Metalúrgicas, Edificio U Ciudad Universitaria, C.P. 58040, Morelia, Michoacán, México SEP-DGEST-IT de Tlalnepantla, Av. Tecnológico s/n, Col. la Comunidad, Tlalnepantla de Baz, Edo México, 54070, México.
L. Béjar
Affiliation:
UMSNH, Facultad de Ingeniería Mecánica, Edificio W Ciudad Universitaria, C.P. 58040, Morelia, Michoacán, México
G. Herrera-Pérez
Affiliation:
Departamento de Ingeniería en Materiales, Instituto Tecnológico Superior de Irapuato (ITESI) Carretera Irapuato-Silao Km. 12.5, El Copal, Irapuato, Guanajuato. C.P. 36821, México
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Abstract

Zinc oxide (ZnO) nanoparticles were produced using chemical precipitation synthesis with a molar ratio of 1:1, 1:2 and 1:3. The structure, chemical composition and morphology were investigated by X-ray diffraction (XRD), energy dispersive spectroscopy (EDS), scanning electron microscopy (SEM), transmission electron microscopy (TEM) and high resolution transmission electron microscopy (HRTEM). XRD and EDS demonstrated that the all particles formed at different atomic proportion were of wurtzite crystal structure with the same chemical composition. SEM and TEM showed the formation of hexagonal particles with a molar ratio of 1:1 while the samples synthesized with a molar ratio 1:2 and 1:3 showed a circular shape. HRTEM and Fast Fourier Transform (FFT) demonstrated that the all particles were formed with a preferable [0001] growth direction.

Keywords

Chemical synthesisnanostructurescanning electron microscopy (SEM)
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1481: Symposium 2D – Structural and Chemical Characterization of Metals, Alloys and Compounds—2012 , 2012 , pp. 127 - 133
Copyright
Copyright © Materials Research Society 2012

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