Research PaperOpen Access

Effect of carbon-doping on structural and dielectric properties of zinc oxide

Advanced Functional Materials Research Centre, Department of Physics, Koneru Lakshmaiah Education Foundation, Vaddeswaram, Guntur, Andhra Pradesh 522502, India

Department of Humanities & Sciences, Marri Laxman Reddy Institute of Technology and Management, Hyderabad, Telangana 500043, India

E-mail Address: parvez.2u@gmail.com

Corresponding author.

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A. Venkateswara Rao

Advanced Functional Materials Research Centre, Department of Physics, Koneru Lakshmaiah Education Foundation, Vaddeswaram, Guntur, Andhra Pradesh 522502, India

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K. Suresh Babu

Department of Humanities & Sciences, Marri Laxman Reddy Institute of Technology and Management, Hyderabad, Telangana 500043, India

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, and

G. Narsinga Rao

Department of Humanities & Sciences, Marri Laxman Reddy Institute of Technology and Management, Hyderabad, Telangana 500043, India

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https://doi.org/10.1142/S2010135X20500174Cited by:18 (Source: Crossref)

Abstract

In this paper, Carbon-doped Zinc Oxide (C-ZnO) samples were prepared using the solid-state reaction method. The influence of carbon-doping on the structural and dielectric properties of ZnO samples was studied. The shift in the highest peak position (101) in XRD patterns of carbon-doped samples was observed. The Raman peak at 581cm $^{- 1}$ $^{- 1}$ in undoped ZnO was shifted and broadened in carbon-doped ZnO samples. The ZnO samples doped with carbon show higher values of dielectric constant ( $\sim 2400$ $\sim 2400$ at 1kHz) compared to pure ZnO( $\sim 9$ $\sim 9$ at 1kHz) which was due to increase in native point defects in the samples. The ac conductivity ( $σ_{ac}$ $σ_{ac}$ ) value of the carbon-doped sample was enhanced by 10³ times for ((ZnO) $_{0.9}$ $_{0.9}$ $C_{0.1}$ $C_{0.1}$ ) sample.

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Vol. 10, No. 04

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History

Received 26 April 2020

Revised 30 July 2020

Accepted 2 August 2020

Published: 24 August 2020

Information

This is an Open Access article published by World Scientific Publishing Company. It is distributed under the terms of the Creative Commons Attribution 4.0 (CC BY) License which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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Effect of carbon-doping on structural and dielectric properties of zinc oxide

Abstract

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