Effect of Al concentration on optical parameters of ZnO thin film derived by Sol-Gel dip coating technique

Osman URPER; Nilgun BAYDOGAN

doi:10.1016/j.matlet.2020.128000

Effect of Al concentration on optical parameters of ZnO thin film derived by Sol-Gel dip coating technique

Osman URPER, Nilgun BAYDOGAN^*

^*Corresponding author for this work

Energy Institute

Istanbul Technical University

Research output: Contribution to journal › Article › peer-review

22 Citations (Scopus)

Abstract

Pure and Aluminum doped zinc oxide (Al:ZnO) film samples were deposited by the sol–gel dip-coating technique for understand influence of Al concentration on the films crystallization, electrical conductivity and optical transparency. Surface morphology of the film with hexagonal wurtize crystalline structure and high c-axis orientation (in XRD analysis) displayed nanospherical particals (in SEM images). The surface roughness and average grain size increased with Al amount rise in the Al/Zn ratio. The film displayed high transparency (~90%) between 300 and 800 nm for pure and 1, 3 at.% Al concentration levels. The energy band gap, refractive index, and extinction coefficient were affected slightly due to the increasing Al concentration and optical parameters attain gently a maximum value at 3 at.% Al content.

Original language	English
Article number	128000
Journal	Materials Letters
Volume	274
DOIs	https://doi.org/10.1016/j.matlet.2020.128000
Publication status	Published - 1 Sept 2020

Bibliographical note

Publisher Copyright:
© 2020 Elsevier B.V.

Funding

This study was financially supported by Istanbul Technical University (ITU) Scientific Research Projects Foundation (BAP) with Project No: MDK-2019-41978 for Ph. D. Thesis in Istanbul, Turkey.

Funders	Funder number
Scientific Research Projects Foundation
British Association for Psychopharmacology
Istanbul Teknik Üniversitesi
Bilimsel Araştırma Projeleri Birimi, İstanbul Teknik Üniversitesi	MDK-2019-41978

Keywords

Al:ZnO
Dip coating
Sol–gel
Thin film

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abstract = "Pure and Aluminum doped zinc oxide (Al:ZnO) film samples were deposited by the sol–gel dip-coating technique for understand influence of Al concentration on the films crystallization, electrical conductivity and optical transparency. Surface morphology of the film with hexagonal wurtize crystalline structure and high c-axis orientation (in XRD analysis) displayed nanospherical particals (in SEM images). The surface roughness and average grain size increased with Al amount rise in the Al/Zn ratio. The film displayed high transparency (~90%) between 300 and 800 nm for pure and 1, 3 at.% Al concentration levels. The energy band gap, refractive index, and extinction coefficient were affected slightly due to the increasing Al concentration and optical parameters attain gently a maximum value at 3 at.% Al content.",

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AU - URPER, Osman

AU - BAYDOGAN, Nilgun

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AB - Pure and Aluminum doped zinc oxide (Al:ZnO) film samples were deposited by the sol–gel dip-coating technique for understand influence of Al concentration on the films crystallization, electrical conductivity and optical transparency. Surface morphology of the film with hexagonal wurtize crystalline structure and high c-axis orientation (in XRD analysis) displayed nanospherical particals (in SEM images). The surface roughness and average grain size increased with Al amount rise in the Al/Zn ratio. The film displayed high transparency (~90%) between 300 and 800 nm for pure and 1, 3 at.% Al concentration levels. The energy band gap, refractive index, and extinction coefficient were affected slightly due to the increasing Al concentration and optical parameters attain gently a maximum value at 3 at.% Al content.

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KW - Sol–gel

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Effect of Al concentration on optical parameters of ZnO thin film derived by Sol-Gel dip coating technique

Abstract

Bibliographical note

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Keywords

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