A Micropowered Chemoresistive Sensor Based on a Thin Alumina Nanoporous Membrane and Sn<sub>x</sub>Bi<sub>k</sub>Mo<sub>y</sub>O<sub>z</sub> Nanocomposite
This work presents and discusses the design of an efficient gas sensor, as well as the technological process of its fabrication. The optimal dimensions of the different sensor elements including their deformation were determined considering the geometric modeling and the calculated moduli of the ela...
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| Format: | Article |
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MDPI AG
2022-05-01
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| Series: | Sensors |
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| Online Access: | https://www.mdpi.com/1424-8220/22/10/3640 |
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| author | Gennady Gorokh Anna Zakhlebayeva Igor Taratyn Andrei Lozovenko Valery Zhylinski Michael Iji Vladimir Fedosenko Abdelhafed Taleb |
| author_facet | Gennady Gorokh Anna Zakhlebayeva Igor Taratyn Andrei Lozovenko Valery Zhylinski Michael Iji Vladimir Fedosenko Abdelhafed Taleb |
| author_sort | Gennady Gorokh |
| collection | DOAJ |
| description | This work presents and discusses the design of an efficient gas sensor, as well as the technological process of its fabrication. The optimal dimensions of the different sensor elements including their deformation were determined considering the geometric modeling and the calculated moduli of the elasticity and thermal conductivity coefficients. Multicomponent Sn<sub>x</sub>Bi<sub>k</sub>Mo<sub>y</sub>O<sub>z</sub> thin films were prepared by ionic layering on an anodic alumina membrane and were used as gas-sensitive layers in the sensor design. The resistance of the Sn<sub>x</sub>Bi<sub>k</sub>Mo<sub>y</sub>O<sub>z</sub> nanostructured film at temperatures up to 150 °C exceeded 10<sup>6</sup> Ohm but decreased to 10<sup>4</sup> Ohm at 550 °C in air. The sensitivity of the Sn<sub>x</sub>Bi<sub>k</sub>Mo<sub>y</sub>O<sub>z</sub> composite to concentrations of 5 and 40 ppm H<sub>2</sub> at 250 °C (10 mW) was determined to be 0.22 and 0.40, respectively. |
| first_indexed | 2024-03-10T01:55:14Z |
| format | Article |
| id | doaj.art-aad1446576e5415e9bf880106e155110 |
| institution | Directory Open Access Journal |
| issn | 1424-8220 |
| language | English |
| last_indexed | 2024-03-10T01:55:14Z |
| publishDate | 2022-05-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Sensors |
| spelling | doaj.art-aad1446576e5415e9bf880106e1551102023-11-23T12:58:40ZengMDPI AGSensors1424-82202022-05-012210364010.3390/s22103640A Micropowered Chemoresistive Sensor Based on a Thin Alumina Nanoporous Membrane and Sn<sub>x</sub>Bi<sub>k</sub>Mo<sub>y</sub>O<sub>z</sub> NanocompositeGennady Gorokh0Anna Zakhlebayeva1Igor Taratyn2Andrei Lozovenko3Valery Zhylinski4Michael Iji5Vladimir Fedosenko6Abdelhafed Taleb7R&D Laboratory of Nanotechnologies, Belarusian State University of Informatics and Radioelectronics, 220013 Minsk, BelarusR&D Laboratory of Nanotechnologies, Belarusian State University of Informatics and Radioelectronics, 220013 Minsk, BelarusInstrumentation Engineering Faculty, Micro- and Nanotechnology Department, Belarusian National Technical University, 220013 Minsk, BelarusR&D Laboratory of Nanotechnologies, Belarusian State University of Informatics and Radioelectronics, 220013 Minsk, BelarusDepartment of Chemistry, Technology of Electrochemical Production and Electronic Materials, Belarusian State Technological University, 220006 Minsk, BelarusR&D Laboratory of Nanotechnologies, Belarusian State University of Informatics and Radioelectronics, 220013 Minsk, BelarusR&D Laboratory of Nanotechnologies, Belarusian State University of Informatics and Radioelectronics, 220013 Minsk, BelarusInstitut de Recherche de Chimie Paris, Chimie ParisTech, PSL University—CNRS, 75005 Paris, FranceThis work presents and discusses the design of an efficient gas sensor, as well as the technological process of its fabrication. The optimal dimensions of the different sensor elements including their deformation were determined considering the geometric modeling and the calculated moduli of the elasticity and thermal conductivity coefficients. Multicomponent Sn<sub>x</sub>Bi<sub>k</sub>Mo<sub>y</sub>O<sub>z</sub> thin films were prepared by ionic layering on an anodic alumina membrane and were used as gas-sensitive layers in the sensor design. The resistance of the Sn<sub>x</sub>Bi<sub>k</sub>Mo<sub>y</sub>O<sub>z</sub> nanostructured film at temperatures up to 150 °C exceeded 10<sup>6</sup> Ohm but decreased to 10<sup>4</sup> Ohm at 550 °C in air. The sensitivity of the Sn<sub>x</sub>Bi<sub>k</sub>Mo<sub>y</sub>O<sub>z</sub> composite to concentrations of 5 and 40 ppm H<sub>2</sub> at 250 °C (10 mW) was determined to be 0.22 and 0.40, respectively.https://www.mdpi.com/1424-8220/22/10/3640semiconductor metal oxide compositesmicropower gas sensornanoporous anodic alumina matrixes |
| spellingShingle | Gennady Gorokh Anna Zakhlebayeva Igor Taratyn Andrei Lozovenko Valery Zhylinski Michael Iji Vladimir Fedosenko Abdelhafed Taleb A Micropowered Chemoresistive Sensor Based on a Thin Alumina Nanoporous Membrane and Sn<sub>x</sub>Bi<sub>k</sub>Mo<sub>y</sub>O<sub>z</sub> Nanocomposite Sensors semiconductor metal oxide composites micropower gas sensor nanoporous anodic alumina matrixes |
| title | A Micropowered Chemoresistive Sensor Based on a Thin Alumina Nanoporous Membrane and Sn<sub>x</sub>Bi<sub>k</sub>Mo<sub>y</sub>O<sub>z</sub> Nanocomposite |
| title_full | A Micropowered Chemoresistive Sensor Based on a Thin Alumina Nanoporous Membrane and Sn<sub>x</sub>Bi<sub>k</sub>Mo<sub>y</sub>O<sub>z</sub> Nanocomposite |
| title_fullStr | A Micropowered Chemoresistive Sensor Based on a Thin Alumina Nanoporous Membrane and Sn<sub>x</sub>Bi<sub>k</sub>Mo<sub>y</sub>O<sub>z</sub> Nanocomposite |
| title_full_unstemmed | A Micropowered Chemoresistive Sensor Based on a Thin Alumina Nanoporous Membrane and Sn<sub>x</sub>Bi<sub>k</sub>Mo<sub>y</sub>O<sub>z</sub> Nanocomposite |
| title_short | A Micropowered Chemoresistive Sensor Based on a Thin Alumina Nanoporous Membrane and Sn<sub>x</sub>Bi<sub>k</sub>Mo<sub>y</sub>O<sub>z</sub> Nanocomposite |
| title_sort | micropowered chemoresistive sensor based on a thin alumina nanoporous membrane and sn sub x sub bi sub k sub mo sub y sub o sub z sub nanocomposite |
| topic | semiconductor metal oxide composites micropower gas sensor nanoporous anodic alumina matrixes |
| url | https://www.mdpi.com/1424-8220/22/10/3640 |
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