Structural Properties of Post Annealed ITO Thin Films at Different Temperatures

Indium tin oxide (ITO) thin films were deposited on glass substrates by RF sputtering using an ITO ceramic target (In2O3-SnO2, 90-10 wt. %). After deposition, samples were annealed at different temperatures in vacuum furnace. The post vacuum annealing effects on the structural, optical and electrica...

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Main Authors: Negin Manavizadeh, Alireza Khodayari, Ebrahim Asl Soleimani, Sheida Bagherzadeh, Mohammad Hadi Maleki
Format: Article
Language:English
Published: Iranian Institute of Research and Development in Chemical Industries (IRDCI)-ACECR 2009-06-01
Series:Iranian Journal of Chemistry & Chemical Engineering
Subjects:
Online Access:http://www.ijcce.ac.ir/article_13367_57e82bba5ea40f0a1abcca4c2b74c47f.pdf
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author Negin Manavizadeh
Alireza Khodayari
Ebrahim Asl Soleimani
Sheida Bagherzadeh
Mohammad Hadi Maleki
author_facet Negin Manavizadeh
Alireza Khodayari
Ebrahim Asl Soleimani
Sheida Bagherzadeh
Mohammad Hadi Maleki
author_sort Negin Manavizadeh
collection DOAJ
description Indium tin oxide (ITO) thin films were deposited on glass substrates by RF sputtering using an ITO ceramic target (In2O3-SnO2, 90-10 wt. %). After deposition, samples were annealed at different temperatures in vacuum furnace. The post vacuum annealing effects on the structural, optical and electrical properties of ITO films were investigated. Polycrystalline ITO films have been analyzed in wide optical spectrum, X-ray diffraction and four point probe methods. The results show that increasing the annealing temperature improves the crystallinity of the films. The resistivity of the deposited films is about 19×10-4 Ωcm and falls down to 7.3×10-5 Ωcm as the annealing temperature is increased to 500 °C in vacuum.
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spelling doaj.art-bd5e13fa083d495283c63c49344a995c2022-12-22T01:49:00ZengIranian Institute of Research and Development in Chemical Industries (IRDCI)-ACECRIranian Journal of Chemistry & Chemical Engineering1021-99861021-99862009-06-01282576113367Structural Properties of Post Annealed ITO Thin Films at Different TemperaturesNegin Manavizadeh0Alireza Khodayari1Ebrahim Asl Soleimani2Sheida Bagherzadeh3Mohammad Hadi Maleki4Thin Film Laboratory, ECE Department, University of Tehran, Tehran, I.R. IRANThin Film Laboratory, ECE Department, University of Tehran, Tehran, I.R. IRANThin Film Laboratory, ECE Department, University of Tehran, Tehran, I.R. IRANThin Film Laboratory, ECE Department, University of Tehran, Tehran, I.R. IRANNuclear Science and Technology Research Institute, Laser and Optics Research School, Tehran, I.R. IRANIndium tin oxide (ITO) thin films were deposited on glass substrates by RF sputtering using an ITO ceramic target (In2O3-SnO2, 90-10 wt. %). After deposition, samples were annealed at different temperatures in vacuum furnace. The post vacuum annealing effects on the structural, optical and electrical properties of ITO films were investigated. Polycrystalline ITO films have been analyzed in wide optical spectrum, X-ray diffraction and four point probe methods. The results show that increasing the annealing temperature improves the crystallinity of the films. The resistivity of the deposited films is about 19×10-4 Ωcm and falls down to 7.3×10-5 Ωcm as the annealing temperature is increased to 500 °C in vacuum.http://www.ijcce.ac.ir/article_13367_57e82bba5ea40f0a1abcca4c2b74c47f.pdfrf sputteringindium tin oxideannealing in vacuumtransparent conductive films
spellingShingle Negin Manavizadeh
Alireza Khodayari
Ebrahim Asl Soleimani
Sheida Bagherzadeh
Mohammad Hadi Maleki
Structural Properties of Post Annealed ITO Thin Films at Different Temperatures
Iranian Journal of Chemistry & Chemical Engineering
rf sputtering
indium tin oxide
annealing in vacuum
transparent conductive films
title Structural Properties of Post Annealed ITO Thin Films at Different Temperatures
title_full Structural Properties of Post Annealed ITO Thin Films at Different Temperatures
title_fullStr Structural Properties of Post Annealed ITO Thin Films at Different Temperatures
title_full_unstemmed Structural Properties of Post Annealed ITO Thin Films at Different Temperatures
title_short Structural Properties of Post Annealed ITO Thin Films at Different Temperatures
title_sort structural properties of post annealed ito thin films at different temperatures
topic rf sputtering
indium tin oxide
annealing in vacuum
transparent conductive films
url http://www.ijcce.ac.ir/article_13367_57e82bba5ea40f0a1abcca4c2b74c47f.pdf
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AT sheidabagherzadeh structuralpropertiesofpostannealeditothinfilmsatdifferenttemperatures
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