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CO gas sensing characteristics of BaSnO3 epitaxial films prepared by PLD: The effect of film thickness.

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Title: CO gas sensing characteristics of BaSnO3 epitaxial films prepared by PLD: The effect of film thickness.
Authors: Shrivastava, Shikha1,2 (AUTHOR), Mahana, Debashrita1,2 (AUTHOR), Nehra, Simran1,2 (AUTHOR), Gangwar, Sunil3 (AUTHOR), Singh, Sandeep1 (AUTHOR), Yadav, C.S.3 (AUTHOR), Muthusamy, Senthil Kumar1,2 (AUTHOR), Dogra, Anjana1,2 (AUTHOR) anjanad@nplindia.org
Source: Sensors & Actuators B: Chemical. Feb2024:Part B, Vol. 400, pN.PAG-N.PAG. 1p.
Subjects: Carbon monoxide detectors, Pulsed laser deposition, X-ray photoelectron spectroscopy, Thin films, Thick films
Abstract: In the present work, perovskite Barium Stannate (BaSnO 3) thin films of varying thickness were investigated for carbon monoxide (CO) gas sensing application. Epitaxial BaSnO 3 thin films of thickness (90, 270 and 360 nm) were grown on MgO substrates by using pulsed laser deposition technique. The enhanced electrical properties of the films with decreasing thickness can be attributed to the increased amount of Sn4+ ions in the film. An increase in CO gas sensing response of thin films was observed with decreasing film thickness. BaSnO 3 thin film having 90 nm thickness exhibits a higher gas sensing response of 58% at 400 °C, which is a quite lower temperature as compared to the previous works in similar systems. This high value is attributed to the presence of large number of grains and grain boundaries providing easy adsorption and desorption of oxygen species at the surface, confirmed by the atomic force microscopy and X-ray photoelectron spectroscopy, respectively. • Gas sensing measurements on BaSnO 3 thin films by PLD have been reported. • Studied the response at alow temperature ∼ 400 °C as compared to the literature. • A significantly high (58%) sensing response with a good response/recovery time was observed for 90 nm thick BSO film towards the carbon monoxide gas. • Observed a fascinating selective behavior of BSO thin films towards the CO gas. [ABSTRACT FROM AUTHOR]
Copyright of Sensors & Actuators B: Chemical is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 173698002
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PubTypeId: academicJournal
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  Data: CO gas sensing characteristics of BaSnO3 epitaxial films prepared by PLD: The effect of film thickness.
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  Data: <searchLink fieldCode="AR" term="%22Shrivastava%2C+Shikha%22">Shrivastava, Shikha</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Mahana%2C+Debashrita%22">Mahana, Debashrita</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Nehra%2C+Simran%22">Nehra, Simran</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Gangwar%2C+Sunil%22">Gangwar, Sunil</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Singh%2C+Sandeep%22">Singh, Sandeep</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yadav%2C+C%2ES%2E%22">Yadav, C.S.</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Muthusamy%2C+Senthil+Kumar%22">Muthusamy, Senthil Kumar</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Dogra%2C+Anjana%22">Dogra, Anjana</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> anjanad@nplindia.org</i>
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  Data: <searchLink fieldCode="JN" term="%22Sensors+%26+Actuators+B%3A+Chemical%22">Sensors & Actuators B: Chemical</searchLink>. Feb2024:Part B, Vol. 400, pN.PAG-N.PAG. 1p.
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  Data: <searchLink fieldCode="DE" term="%22Carbon+monoxide+detectors%22">Carbon monoxide detectors</searchLink><br /><searchLink fieldCode="DE" term="%22Pulsed+laser+deposition%22">Pulsed laser deposition</searchLink><br /><searchLink fieldCode="DE" term="%22X-ray+photoelectron+spectroscopy%22">X-ray photoelectron spectroscopy</searchLink><br /><searchLink fieldCode="DE" term="%22Thin+films%22">Thin films</searchLink><br /><searchLink fieldCode="DE" term="%22Thick+films%22">Thick films</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: In the present work, perovskite Barium Stannate (BaSnO 3) thin films of varying thickness were investigated for carbon monoxide (CO) gas sensing application. Epitaxial BaSnO 3 thin films of thickness (90, 270 and 360 nm) were grown on MgO substrates by using pulsed laser deposition technique. The enhanced electrical properties of the films with decreasing thickness can be attributed to the increased amount of Sn4+ ions in the film. An increase in CO gas sensing response of thin films was observed with decreasing film thickness. BaSnO 3 thin film having 90 nm thickness exhibits a higher gas sensing response of 58% at 400 °C, which is a quite lower temperature as compared to the previous works in similar systems. This high value is attributed to the presence of large number of grains and grain boundaries providing easy adsorption and desorption of oxygen species at the surface, confirmed by the atomic force microscopy and X-ray photoelectron spectroscopy, respectively. • Gas sensing measurements on BaSnO 3 thin films by PLD have been reported. • Studied the response at alow temperature ∼ 400 °C as compared to the literature. • A significantly high (58%) sensing response with a good response/recovery time was observed for 90 nm thick BSO film towards the carbon monoxide gas. • Observed a fascinating selective behavior of BSO thin films towards the CO gas. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Sensors & Actuators B: Chemical is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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        Value: 10.1016/j.snb.2023.134882
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      – Code: eng
        Text: English
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      – SubjectFull: Carbon monoxide detectors
        Type: general
      – SubjectFull: Pulsed laser deposition
        Type: general
      – SubjectFull: X-ray photoelectron spectroscopy
        Type: general
      – SubjectFull: Thin films
        Type: general
      – SubjectFull: Thick films
        Type: general
    Titles:
      – TitleFull: CO gas sensing characteristics of BaSnO3 epitaxial films prepared by PLD: The effect of film thickness.
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            NameFull: Shrivastava, Shikha
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            NameFull: Mahana, Debashrita
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            – D: 05
              M: 02
              Text: Feb2024:Part B
              Type: published
              Y: 2024
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