THE INVESTIGATION OF VARIATIONS IN OPTICAL PROPERTIES DEPENDING ON SINTERING TEMPERATURE OF Ni:ZNO NANO POWDERS

Year 2019, Volume: 5 Issue: 1, 23 - 32, 26.06.2019

Handan Aydin

https://doi.org/10.23884/mejs.2019.5.1.03

Cited By: 3

Abstract

In this study,
Ni:ZnO nano powders were produced by the sol-gel calcination method to
investigate and improve the interaction between sintering temperature and
optical properties. ZnO based nano-ceramic materials with superior properties
which can be used in several scientific researches and high technology
applications and can be easily synthesized were produced by this method. The
effect of Ni doping on the optical properties of ZnO nanopowders was
investigated through spectrophotometric measurements. The optical band gaps of
the samples were calculated from the diffuse reflectance curves using
Kubelka-Munk function. It was observed that E_g values of the samples
changed depending on the Ni dopant and sintering temperature. As a result of
the investigations, it was determined that Ni doping and different sintering
temperature have significant effects on the optical properties of ZnO nano
powders, and the produced samples can be used in high temperature conductive
electrode applications, optoelectronic devices, and sensor production.

Keywords

Optical properties, Nanopowders, Ni-doped ZnO, Optical characteristics, Sol-gel calcination method

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