Development of a Ferrite Film Based Solid State Sensor System for Ultra Low Concentration Hydrogen Sulfide Gas Detection

Ravindra Kumar Jha; Aman Nanda; Ranajit Sai; Kaushal Kishore; Anshul Yadav; R. D.Ralandinliu Kahmei; Navakanta Bhat

doi:10.1109/JSEN.2022.3149980

Development of a Ferrite Film Based Solid State Sensor System for Ultra Low Concentration Hydrogen Sulfide Gas Detection

Ravindra Kumar Jha
, Aman Nanda
, Ranajit Sai
, Kaushal Kishore
, Anshul Yadav
, R. D.Ralandinliu Kahmei
, Navakanta Bhat

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

Abstract

We report on a selective hydrogen sulfide gas sensor based on zinc ferrite film which is obtained by a microwave-assisted solvothermal deposition route. The response of the chemiresistive device is found to be in the range of 1872% - 90% for 5.6 ppm - 0.3 ppm of H2S gas at an operating temperature of 250°C. The density functional theory studies suggest physisorption of the H2S molecules at the partially-inverted ZnFe2O4 surface as the reason behind the fast rise (of the order of 40 sec) and fall time (of the order of 70 sec) with complete recovery of the device. Finally, a dual-differential subtractor based auto-balancing interface circuit is proposed to drive this sensor which is advantageous in terms of accuracy and particularly suitable for a device such as ours, which has a wide dynamic range.

Original language	English
Pages (from-to)	8402-8409
Number of pages	8
Journal	IEEE Sensors Journal
Volume	22
Issue number	9
DOIs	https://doi.org/10.1109/JSEN.2022.3149980
Publication status	Published - 1 May 2022
Externally published	Yes

Keywords

auto-balancing interface circuit
Chemiresistive sensor
density functional theory
dual differential subtractor
ferrite
hydrogen sulfide gas
microwave synthesis

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10.1109/JSEN.2022.3149980

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title = "Development of a Ferrite Film Based Solid State Sensor System for Ultra Low Concentration Hydrogen Sulfide Gas Detection",

abstract = "We report on a selective hydrogen sulfide gas sensor based on zinc ferrite film which is obtained by a microwave-assisted solvothermal deposition route. The response of the chemiresistive device is found to be in the range of 1872\% - 90\% for 5.6 ppm - 0.3 ppm of H2S gas at an operating temperature of 250°C. The density functional theory studies suggest physisorption of the H2S molecules at the partially-inverted ZnFe2O4 surface as the reason behind the fast rise (of the order of 40 sec) and fall time (of the order of 70 sec) with complete recovery of the device. Finally, a dual-differential subtractor based auto-balancing interface circuit is proposed to drive this sensor which is advantageous in terms of accuracy and particularly suitable for a device such as ours, which has a wide dynamic range.",

keywords = "auto-balancing interface circuit, Chemiresistive sensor, density functional theory, dual differential subtractor, ferrite, hydrogen sulfide gas, microwave synthesis",

author = "Jha, \{Ravindra Kumar\} and Aman Nanda and Ranajit Sai and Kaushal Kishore and Anshul Yadav and Kahmei, \{R. D.Ralandinliu\} and Navakanta Bhat",

note = "Publisher Copyright: {\textcopyright} 2001-2012 IEEE.",

year = "2022",

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doi = "10.1109/JSEN.2022.3149980",

language = "English",

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AU - Jha, Ravindra Kumar

AU - Nanda, Aman

AU - Sai, Ranajit

AU - Kishore, Kaushal

AU - Yadav, Anshul

AU - Kahmei, R. D.Ralandinliu

AU - Bhat, Navakanta

PY - 2022/5/1

Y1 - 2022/5/1

N2 - We report on a selective hydrogen sulfide gas sensor based on zinc ferrite film which is obtained by a microwave-assisted solvothermal deposition route. The response of the chemiresistive device is found to be in the range of 1872% - 90% for 5.6 ppm - 0.3 ppm of H2S gas at an operating temperature of 250°C. The density functional theory studies suggest physisorption of the H2S molecules at the partially-inverted ZnFe2O4 surface as the reason behind the fast rise (of the order of 40 sec) and fall time (of the order of 70 sec) with complete recovery of the device. Finally, a dual-differential subtractor based auto-balancing interface circuit is proposed to drive this sensor which is advantageous in terms of accuracy and particularly suitable for a device such as ours, which has a wide dynamic range.

AB - We report on a selective hydrogen sulfide gas sensor based on zinc ferrite film which is obtained by a microwave-assisted solvothermal deposition route. The response of the chemiresistive device is found to be in the range of 1872% - 90% for 5.6 ppm - 0.3 ppm of H2S gas at an operating temperature of 250°C. The density functional theory studies suggest physisorption of the H2S molecules at the partially-inverted ZnFe2O4 surface as the reason behind the fast rise (of the order of 40 sec) and fall time (of the order of 70 sec) with complete recovery of the device. Finally, a dual-differential subtractor based auto-balancing interface circuit is proposed to drive this sensor which is advantageous in terms of accuracy and particularly suitable for a device such as ours, which has a wide dynamic range.

KW - auto-balancing interface circuit

KW - Chemiresistive sensor

KW - density functional theory

KW - dual differential subtractor

KW - ferrite

KW - hydrogen sulfide gas

KW - microwave synthesis

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M3 - Article

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JO - IEEE Sensors Journal

JF - IEEE Sensors Journal

IS - 9

ER -

Development of a Ferrite Film Based Solid State Sensor System for Ultra Low Concentration Hydrogen Sulfide Gas Detection

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Keywords

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