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Development of a selective ammonia YSZ-based sensor and modeling of its response.

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Title: Development of a selective ammonia YSZ-based sensor and modeling of its response.
Authors: Nematbakhsh Abkenar, Gita1 (AUTHOR), Rieu, Mathilde1 (AUTHOR) rieu@emse.fr, Breuil, Philippe1 (AUTHOR), Viricelle, Jean-Paul1 (AUTHOR)
Source: Sensors & Actuators B: Chemical. Jul2021, Vol. 338, pN.PAG-N.PAG. 1p.
Subjects: Ammonia, Ammonia gas, Materials testing, Detectors, Charge exchange, Electrode testing
Abstract: • High temperature ammonia gas sensors were studied. • Au-V 2 O 5 sensing electrode was sensitive and selective to NH 3. • Gas sensor responses were modeled according to mixed potential theory. In the present study, Au-V 2 O 5 sensing material was tested as a sensing electrode for developing mixed-potential ammonia gas sensors. The results of gas sensing measurements indicated selective responses to NH 3 while this selectivity was highly dependent on the temperature. Different V 2 O 5 contents were tested in the sensing electrode. The results showed that by increasing V 2 O 5 content from 15 wt.% to 50 wt.%, selective ammonia sensors could be achieved at 550 °C. The selectivity of Au-50 %V 2 O 5 sensor was also confirmed in gas mixtures of CO, NH 3 , NO, and NO 2 gases. Modeling of the sensor responses in the ammonia concentration range 2–40 ppm at four oxygen concentrations was performed based on mixed-potential theory. Nernst and Butler-Volmer equations with an electron transfer assumption were used for data modeling. [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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Header DbId: egs
DbLabel: Engineering Source
An: 149868677
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Development of a selective ammonia YSZ-based sensor and modeling of its response.
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  Data: <searchLink fieldCode="AR" term="%22Nematbakhsh+Abkenar%2C+Gita%22">Nematbakhsh Abkenar, Gita</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Rieu%2C+Mathilde%22">Rieu, Mathilde</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> rieu@emse.fr</i><br /><searchLink fieldCode="AR" term="%22Breuil%2C+Philippe%22">Breuil, Philippe</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Viricelle%2C+Jean-Paul%22">Viricelle, Jean-Paul</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Sensors+%26+Actuators+B%3A+Chemical%22">Sensors & Actuators B: Chemical</searchLink>. Jul2021, Vol. 338, pN.PAG-N.PAG. 1p.
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  Data: <searchLink fieldCode="DE" term="%22Ammonia%22">Ammonia</searchLink><br /><searchLink fieldCode="DE" term="%22Ammonia+gas%22">Ammonia gas</searchLink><br /><searchLink fieldCode="DE" term="%22Materials+testing%22">Materials testing</searchLink><br /><searchLink fieldCode="DE" term="%22Detectors%22">Detectors</searchLink><br /><searchLink fieldCode="DE" term="%22Charge+exchange%22">Charge exchange</searchLink><br /><searchLink fieldCode="DE" term="%22Electrode+testing%22">Electrode testing</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: • High temperature ammonia gas sensors were studied. • Au-V 2 O 5 sensing electrode was sensitive and selective to NH 3. • Gas sensor responses were modeled according to mixed potential theory. In the present study, Au-V 2 O 5 sensing material was tested as a sensing electrode for developing mixed-potential ammonia gas sensors. The results of gas sensing measurements indicated selective responses to NH 3 while this selectivity was highly dependent on the temperature. Different V 2 O 5 contents were tested in the sensing electrode. The results showed that by increasing V 2 O 5 content from 15 wt.% to 50 wt.%, selective ammonia sensors could be achieved at 550 °C. The selectivity of Au-50 %V 2 O 5 sensor was also confirmed in gas mixtures of CO, NH 3 , NO, and NO 2 gases. Modeling of the sensor responses in the ammonia concentration range 2–40 ppm at four oxygen concentrations was performed based on mixed-potential theory. Nernst and Butler-Volmer equations with an electron transfer assumption were used for data modeling. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  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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    Identifiers:
      – Type: doi
        Value: 10.1016/j.snb.2021.129833
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      – Code: eng
        Text: English
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        PageCount: 1
        StartPage: N.PAG
    Subjects:
      – SubjectFull: Ammonia
        Type: general
      – SubjectFull: Ammonia gas
        Type: general
      – SubjectFull: Materials testing
        Type: general
      – SubjectFull: Detectors
        Type: general
      – SubjectFull: Charge exchange
        Type: general
      – SubjectFull: Electrode testing
        Type: general
    Titles:
      – TitleFull: Development of a selective ammonia YSZ-based sensor and modeling of its response.
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            NameFull: Nematbakhsh Abkenar, Gita
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            NameFull: Rieu, Mathilde
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            NameFull: Breuil, Philippe
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            NameFull: Viricelle, Jean-Paul
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          Dates:
            – D: 01
              M: 07
              Text: Jul2021
              Type: published
              Y: 2021
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              Value: 09254005
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              Value: 338
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            – TitleFull: Sensors & Actuators B: Chemical
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