Enhancement of optical transmittance and electrical resistivity of post-annealed ITO thin films RF sputtered on Si

This paper reports on the enhancement of optical transmittance and electrical resistivity of indium tin oxide (ITO) transparent conductive oxides (TCO) deposited by radio frequency (RF) sputtering on Si substrate. Post-annealing was conducted on the samples at temperature ranges of 500–700 °C. From...

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Main Authors: Ali, Ahmad Hadi, Hassan, Zainuriah, Shuhaimi, Ahmad
Format: Article
Published: Elsevier 2018
Subjects:
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author Ali, Ahmad Hadi
Hassan, Zainuriah
Shuhaimi, Ahmad
author_facet Ali, Ahmad Hadi
Hassan, Zainuriah
Shuhaimi, Ahmad
author_sort Ali, Ahmad Hadi
collection UM
description This paper reports on the enhancement of optical transmittance and electrical resistivity of indium tin oxide (ITO) transparent conductive oxides (TCO) deposited by radio frequency (RF) sputtering on Si substrate. Post-annealing was conducted on the samples at temperature ranges of 500–700 °C. From X-ray diffraction analysis (XRD), ITO (2 2 2) peak was observed after post-annealing indicating crystallization phase of the films. From UV–vis measurements, the ITO thin film shows highest transmittance of more than 90% at post-annealing temperature of 700 °C as compared to the as-deposited thin films. From atomic force microscope (AFM), the surface roughness becomes smoother after post-annealing as compared to the as-deposited. The lowest electrical resistivity for ITO sample is 6.68 × 10 −4 Ω cm after post-annealed at 700 °C that are contributed by high carrier concentration and mobility. The improved structural and surface morphological characteristics helps in increasing the optical transmittance and reducing the electrical resistivity of the ITO thin films.
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spelling um.eprints-225672019-09-26T01:48:38Z http://eprints.um.edu.my/22567/ Enhancement of optical transmittance and electrical resistivity of post-annealed ITO thin films RF sputtered on Si Ali, Ahmad Hadi Hassan, Zainuriah Shuhaimi, Ahmad Q Science (General) QC Physics This paper reports on the enhancement of optical transmittance and electrical resistivity of indium tin oxide (ITO) transparent conductive oxides (TCO) deposited by radio frequency (RF) sputtering on Si substrate. Post-annealing was conducted on the samples at temperature ranges of 500–700 °C. From X-ray diffraction analysis (XRD), ITO (2 2 2) peak was observed after post-annealing indicating crystallization phase of the films. From UV–vis measurements, the ITO thin film shows highest transmittance of more than 90% at post-annealing temperature of 700 °C as compared to the as-deposited thin films. From atomic force microscope (AFM), the surface roughness becomes smoother after post-annealing as compared to the as-deposited. The lowest electrical resistivity for ITO sample is 6.68 × 10 −4 Ω cm after post-annealed at 700 °C that are contributed by high carrier concentration and mobility. The improved structural and surface morphological characteristics helps in increasing the optical transmittance and reducing the electrical resistivity of the ITO thin films. Elsevier 2018 Article PeerReviewed Ali, Ahmad Hadi and Hassan, Zainuriah and Shuhaimi, Ahmad (2018) Enhancement of optical transmittance and electrical resistivity of post-annealed ITO thin films RF sputtered on Si. Applied Surface Science, 443. pp. 544-547. ISSN 0169-4332, DOI https://doi.org/10.1016/j.apsusc.2018.03.024 <https://doi.org/10.1016/j.apsusc.2018.03.024>. https://doi.org/10.1016/j.apsusc.2018.03.024 doi:10.1016/j.apsusc.2018.03.024
spellingShingle Q Science (General)
QC Physics
Ali, Ahmad Hadi
Hassan, Zainuriah
Shuhaimi, Ahmad
Enhancement of optical transmittance and electrical resistivity of post-annealed ITO thin films RF sputtered on Si
title Enhancement of optical transmittance and electrical resistivity of post-annealed ITO thin films RF sputtered on Si
title_full Enhancement of optical transmittance and electrical resistivity of post-annealed ITO thin films RF sputtered on Si
title_fullStr Enhancement of optical transmittance and electrical resistivity of post-annealed ITO thin films RF sputtered on Si
title_full_unstemmed Enhancement of optical transmittance and electrical resistivity of post-annealed ITO thin films RF sputtered on Si
title_short Enhancement of optical transmittance and electrical resistivity of post-annealed ITO thin films RF sputtered on Si
title_sort enhancement of optical transmittance and electrical resistivity of post annealed ito thin films rf sputtered on si
topic Q Science (General)
QC Physics
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AT hassanzainuriah enhancementofopticaltransmittanceandelectricalresistivityofpostannealeditothinfilmsrfsputteredonsi
AT shuhaimiahmad enhancementofopticaltransmittanceandelectricalresistivityofpostannealeditothinfilmsrfsputteredonsi