Facile Synthesis of Ni-Doped ZnO Nanostructures via Laser-Assisted Chemical Bath Synthesis with High and Durable Photocatalytic Activity
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Facile Synthesis of Ni-Doped ZnO Nanostructures via Laser-Assisted Chemical Bath Synthesis with High and Durable Photocatalytic Activity

by 

Samer H. Zyoud

 1,2,3,4,*,

Vanga Ganesh

 5,

Che Azurahanim Che Abdullah

 6,7,

Ibrahim S. Yahia

 3,

Ahed H. Zyoud

 8,

Atef F. I. Abdelkader

 1,2,

Malek G. Daher

 9,

Mohamed Nasor

 3,10,

Moyad Shahwan

 3,11,

Heba Y. Zahran

 5,12,13,

Mahmoud S. Abd El-sadek

 14,

Elbadawy A. Kamoun

 15,16,

Saleh M. Altarifi

 17 and

Mohamed Sh. Abdel-wahab

 18

1

Department of Mathematics and Sciences, Ajman University, Ajman P.O. Box 346, United Arab Emirates

2

Nonlinear Dynamics Research Center (NDRC), Ajman University, Ajman P.O. Box 346, United Arab Emirates

3

Center of Medical and Bio-Allied Health Sciences Research (CMBHSR), Ajman University, Ajman P.O. Box 346, United Arab Emirates

4

School of Physics, Universiti Sains Malaysia (USM), Penang 11800, Malaysia

5

Laboratory of Nano-Smart Materials for Science and Technology (LNSMST), Department of Physics, Faculty of Science, King Khalid University, P.O. Box 9004, Abha 61421, Saudi Arabia

6

Nanomaterial Synthesis and Characterization Laboratory, Institute of Nanoscience and Nanotechnology, Universiti Putra Malaysia, Serdang 43400, Malaysia

7

Biophysics Laboratory, Faculty of Science, Universiti Putra Malaysia, Serdang 43400, Malaysia

8

Department of Chemistry, SSERL, An-Najah National University, Nablus P.O. Box 7, Palestine

9

Physics Department, Islamic University of Gaza, Gaza P.O. Box 108, Palestine

10

Department of Biomedical Engineering, Ajman University, Ajman P.O. Box 346, United Arab Emirates

 

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*

Author to whom correspondence should be addressed.

Crystals 202313(7), 1087; https://doi.org/10.3390/cryst13071087

Submission received: 5 May 2023 / Revised: 26 June 2023 / Accepted: 27 June 2023 / Published: 12 July 2023

(This article belongs to the Special Issue Advanced Nanomaterials for Photocatalytic Technologies)

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Abstract

Pure and Ni-doped (1%, 2%, and 3%) nanostructures were synthesized using a novel laser-assisted chemical bath synthesis (LACBS) technique. For the first time, LACBS was used to create a doping solution utilizing a 7 W blue laser with a 444.4 nm wavelength and a continuous beam. The Ni-doping concentration was varied by changing the amount of Ni precursor added. All samples were analyzed using XRD, SEM, EDX, FTIR, UV–Vis, and photocatalysis tests for photodegradation under blue laser illumination. XRD was used to confirm that the tested ZnO had a hexagonal wurtzite structure. The crystallite size decreased as the Ni-doping concentration rose. EDX experiments were conducted to analyze the elemental characteristics of the pure and Ni-doped (1%, 2%, and 3%) nanostructures. The existence of nanoscale hexagonal structures was confirmed through SEM studies. The band gap values of the pure and Ni-doped ZnO nanostructures decreased as the doping concentration increased. FTIR studies were conducted to examine the functional groups of the pure and doped samples. The produced materials exhibited excellent photocatalytic performance toward the degradation of MB organic dye, an example of a pollutant found in wastewater.

Journal
Title
Crystals
Publisher
MDPI
Publisher Country
Switzerland
Indexing
Thomson Reuters
Impact Factor
2.4
Publication Type
Both (Printed and Online)
Volume
13
Year
--
Pages
--