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Effect of the Number Shots of Laser on Structural Transformations and Optical Properties of ZnS Nanoparticles Thin Films

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Last updated: 03 Jan 2025

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Abstract

Effects of the number of shots of laser and annealing temperature on the structural, morphological, and optical properties of zinc sulfide nanoparticles (ZnS NPs) thin films, prepared by pulsed laser deposition technique (PLD), were investigated. XRD results show that ZnS NPs exhibit a hexagonal phase at 623k. Transformation in the shape of nanoparticles to nanoflowers and nanorods appeared with increasing number of shots of laser at the same annealing temperature (623K) was observed from scanning electron microscopy (SEM) images. The optical properties were studied from all transmittance data. The experimental results show that the as-deposited ZnS NPs film exhibit a cubic structure and the crystallinity increased in the annealed films. It is also found that the grain size of the as grown samples at 300K, rises linearly from 9 to 11 nm with increasing the number of shots from 1000 to 3000 and rapidly from 10 to 18 nm after annealing at 623K. Additionally, the increase of the number of shots from 1000 to 3000 leads to a decrease in the energy gap values and increases their values after heat treatment keeping their behavior decreasing as the number of shots of laser increases. Also, photoluminescence (PL) measurements explained quenching its value after annealing temperature.

DOI

10.21608/ajnsa.2018.12602

Keywords

ZnS, Pulsed laser deposition, Nanoparticles, Nano leaves, Nanoflowers, nanorods, Photoluminescence (PL), Annealing Temperature

Authors

First Name

A.Z.

Last Name

Mohammed

MiddleName

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Affiliation

Physics Department, Faculty of Science, Zagazig University, Zagazig, Egypt

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First Name

N.J.

Last Name

Mohammed

MiddleName

-

Affiliation

Physics Department, Faculty of Science, Al-Mustansiriyah University, Iraq

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Orcid

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First Name

I.K.

Last Name

Khudhair

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-

Affiliation

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Volume

51

Article Issue

4

Related Issue

875

Issue Date

2018-10-01

Receive Date

2017-07-30

Publish Date

2018-10-01

Page Start

108

Page End

117

Print ISSN

1110-0451

Online ISSN

2090-4258

Article File

AJNSA_Volume 51_Issue 4_Pages 108-117.pdf

PDF . 808.9kB

Link

https://ajnsa.journals.ekb.eg/article_12602.html

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https://ajnsa.journals.ekb.eg/service?article_code=12602

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12

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Original Article

Type Code

455

Publication Type

Journal

Publication Title

Arab Journal of Nuclear Sciences and Applications

Publication Link

https://ajnsa.journals.ekb.eg/

MainTitle

Effect of the Number Shots of Laser on Structural Transformations and Optical Properties of ZnS Nanoparticles Thin Films

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Article

Created At

22 Jan 2023