Photoluminescence and Structural Properties of ZnO Nanorods Growth by Assisted-Hydrothermal Method

S. López-Romero, M. García-H

Instituto de Investigaciones en Materiales, Universidad Nacional Autónoma de México, Circuito Interior S/N Ciudad Universitaria, México DF, México.

DOI: 10.4236/wjcmp.2013.33024                

Abstract

Semiconducting zinc oxide (ZnO) nanorods were obtained in bulk quantity by an hexamethylenetetramine (HMTA)-assisted hydrothermal method at low temperature (90°C) with methenamine ((CH₃)₆N₄ as surfactant and catalyst and zinc nitrate Zn(NO₃)_2·6H₂O as Zn source. The structure and phase of ZnO nanorods were studied using x-ray diffraction (XRD) and high resolution transmission electron microscopy techniques (HRTEM). The morphology of the nanostructures was studied by scanning electron microscope (SEM) method. The photoluminescence (PL) properties were investigated founding two emission bands under UV excitation.

Keywords

ZnO; Nanorods; Assisted-Hydrothermal Method; Photoluminescence

Conflicts of Interest

The authors declare no conflicts of interest.

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