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Enhancing the electrical, optical, and structure morphology using Pr2O3-ZnO nanocomposites: Towards electronic varistors and environmental photocatalytic activity

T.H. AlAbdulaal, M. AlShadidi, Mai S.A. Hussien, G. Vanga, A. Bouzidi, Saqib Rafique, H. Algarni, H.Y. Zahran, M.Sh. Abdel-wahab, I.S. Yahia

Journal of Photochemistry and Photobiology A: Chemistry, Volume: 418, Start page: 113399

Swansea University Author: Saqib Rafique

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Abstract

In this proposed research, the samples of undoped and several concentrations of praseodymium-doped zinc oxide (Pr2O3- ZnO) nanoparticles ranged from 0.001 g to 5 g were synthesized using a combustion technique as a simple, efficient, inexpensive, and environmental method. The structure, morphology,...

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Published in: Journal of Photochemistry and Photobiology A: Chemistry
ISSN: 1010-6030
Published: Elsevier BV 2021
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URI: https://cronfa.swan.ac.uk/Record/cronfa57083
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The structure, morphology, and chemical bonding were investigated by X-ray diffraction (XRD), and scanning electron microscopy (SEM), respectively, of the prepared Pr2O3-ZnO photocatalysts. The attained data from the previous devices sustained the ZnO growth from crystalline to satisfactory nanoparticle structure through changing the Pr3+-doping concentrations inside the host matrix. Furthermore, the optical features have been investigated via UV-Vis diffused reflectance spectroscopy (DR), and AC electrical conductivity was studied to investigate the Pr3+-nanoparticles' influence on the optical characteristics, energy bandgaps, of all proposed Pr2O3-ZnO nanostructured samples. The addition of Pr3+ dopants decreases the energy bandgap slightly and confines the photogenerated electron-hole recombination. The studied Pr2O3-ZnO nano-samples have been applied in photocatalytic degradation of methylene blue (MB) as an example for organic dyes and p-chlorophenol (p-CP) under visible light irradiation. The influence of Pr3+-concentration, H2O2 concentration, and pH of the medium on the photocatalytic reaction have been studied. As the praseodymium doping ratios increased; the photocatalytic efficiency increased. After the addition of moderate Pr3+-doping, further generation of hydroxyl radicals over ZnO. For 1% Pr3+-ZnO, the optimal photocatalyst is a degradation of 100% of p-chlorophenol and methylene blue solutions. 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spelling 2021-06-30T14:25:12.1512504 v2 57083 2021-06-10 Enhancing the electrical, optical, and structure morphology using Pr2O3-ZnO nanocomposites: Towards electronic varistors and environmental photocatalytic activity 24fba91f85bf6f1f17145e84bf1b32d9 Saqib Rafique Saqib Rafique true false 2021-06-10 MTLS In this proposed research, the samples of undoped and several concentrations of praseodymium-doped zinc oxide (Pr2O3- ZnO) nanoparticles ranged from 0.001 g to 5 g were synthesized using a combustion technique as a simple, efficient, inexpensive, and environmental method. The structure, morphology, and chemical bonding were investigated by X-ray diffraction (XRD), and scanning electron microscopy (SEM), respectively, of the prepared Pr2O3-ZnO photocatalysts. The attained data from the previous devices sustained the ZnO growth from crystalline to satisfactory nanoparticle structure through changing the Pr3+-doping concentrations inside the host matrix. Furthermore, the optical features have been investigated via UV-Vis diffused reflectance spectroscopy (DR), and AC electrical conductivity was studied to investigate the Pr3+-nanoparticles' influence on the optical characteristics, energy bandgaps, of all proposed Pr2O3-ZnO nanostructured samples. The addition of Pr3+ dopants decreases the energy bandgap slightly and confines the photogenerated electron-hole recombination. The studied Pr2O3-ZnO nano-samples have been applied in photocatalytic degradation of methylene blue (MB) as an example for organic dyes and p-chlorophenol (p-CP) under visible light irradiation. The influence of Pr3+-concentration, H2O2 concentration, and pH of the medium on the photocatalytic reaction have been studied. As the praseodymium doping ratios increased; the photocatalytic efficiency increased. After the addition of moderate Pr3+-doping, further generation of hydroxyl radicals over ZnO. For 1% Pr3+-ZnO, the optimal photocatalyst is a degradation of 100% of p-chlorophenol and methylene blue solutions. The prepared Pr2O3-ZnO nanostructured samples are amazing, promising candidates in novel potential nano-applications for wide-ranged from varistors, wastewater treatments, biomedical and photocatalytic degradation for phenol and organic dyes to different environmental fields. Journal Article Journal of Photochemistry and Photobiology A: Chemistry 418 113399 Elsevier BV 1010-6030 Nanocomposites, Pr2O3-ZnO nanostructures, combustion technique, optical energy bandgaps, electrical properties, diffused reflectance, photocatalytic 1 9 2021 2021-09-01 10.1016/j.jphotochem.2021.113399 COLLEGE NANME Materials Science and Engineering COLLEGE CODE MTLS Swansea University 2021-06-30T14:25:12.1512504 2021-06-10T09:35:04.9612597 Faculty of Science and Engineering School of Engineering and Applied Sciences - Materials Science and Engineering T.H. AlAbdulaal 1 M. AlShadidi 2 Mai S.A. Hussien 3 G. Vanga 4 A. Bouzidi 5 Saqib Rafique 6 H. Algarni 7 H.Y. Zahran 8 M.Sh. Abdel-wahab 9 I.S. Yahia 10 57083__20113__8fb0bf1fbd4947b89612f433efff1e27.pdf 57083.pdf 2021-06-10T09:37:22.0122693 Output 2326235 application/pdf Accepted Manuscript true 2022-06-07T00:00:00.0000000 ©2021 All rights reserved. All article content, except where otherwise noted, is licensed under a Creative Commons Attribution Non-Commercial No Derivatives License (CC-BY-NC-ND) true eng http://creativecommons.org/licenses/by-nc-nd/4.0/
title Enhancing the electrical, optical, and structure morphology using Pr2O3-ZnO nanocomposites: Towards electronic varistors and environmental photocatalytic activity
spellingShingle Enhancing the electrical, optical, and structure morphology using Pr2O3-ZnO nanocomposites: Towards electronic varistors and environmental photocatalytic activity
Saqib Rafique
title_short Enhancing the electrical, optical, and structure morphology using Pr2O3-ZnO nanocomposites: Towards electronic varistors and environmental photocatalytic activity
title_full Enhancing the electrical, optical, and structure morphology using Pr2O3-ZnO nanocomposites: Towards electronic varistors and environmental photocatalytic activity
title_fullStr Enhancing the electrical, optical, and structure morphology using Pr2O3-ZnO nanocomposites: Towards electronic varistors and environmental photocatalytic activity
title_full_unstemmed Enhancing the electrical, optical, and structure morphology using Pr2O3-ZnO nanocomposites: Towards electronic varistors and environmental photocatalytic activity
title_sort Enhancing the electrical, optical, and structure morphology using Pr2O3-ZnO nanocomposites: Towards electronic varistors and environmental photocatalytic activity
author_id_str_mv 24fba91f85bf6f1f17145e84bf1b32d9
author_id_fullname_str_mv 24fba91f85bf6f1f17145e84bf1b32d9_***_Saqib Rafique
author Saqib Rafique
author2 T.H. AlAbdulaal
M. AlShadidi
Mai S.A. Hussien
G. Vanga
A. Bouzidi
Saqib Rafique
H. Algarni
H.Y. Zahran
M.Sh. Abdel-wahab
I.S. Yahia
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description In this proposed research, the samples of undoped and several concentrations of praseodymium-doped zinc oxide (Pr2O3- ZnO) nanoparticles ranged from 0.001 g to 5 g were synthesized using a combustion technique as a simple, efficient, inexpensive, and environmental method. The structure, morphology, and chemical bonding were investigated by X-ray diffraction (XRD), and scanning electron microscopy (SEM), respectively, of the prepared Pr2O3-ZnO photocatalysts. The attained data from the previous devices sustained the ZnO growth from crystalline to satisfactory nanoparticle structure through changing the Pr3+-doping concentrations inside the host matrix. Furthermore, the optical features have been investigated via UV-Vis diffused reflectance spectroscopy (DR), and AC electrical conductivity was studied to investigate the Pr3+-nanoparticles' influence on the optical characteristics, energy bandgaps, of all proposed Pr2O3-ZnO nanostructured samples. The addition of Pr3+ dopants decreases the energy bandgap slightly and confines the photogenerated electron-hole recombination. The studied Pr2O3-ZnO nano-samples have been applied in photocatalytic degradation of methylene blue (MB) as an example for organic dyes and p-chlorophenol (p-CP) under visible light irradiation. The influence of Pr3+-concentration, H2O2 concentration, and pH of the medium on the photocatalytic reaction have been studied. As the praseodymium doping ratios increased; the photocatalytic efficiency increased. After the addition of moderate Pr3+-doping, further generation of hydroxyl radicals over ZnO. For 1% Pr3+-ZnO, the optimal photocatalyst is a degradation of 100% of p-chlorophenol and methylene blue solutions. The prepared Pr2O3-ZnO nanostructured samples are amazing, promising candidates in novel potential nano-applications for wide-ranged from varistors, wastewater treatments, biomedical and photocatalytic degradation for phenol and organic dyes to different environmental fields.
published_date 2021-09-01T04:08:53Z
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