Impedance Spectroscopy of Hierarchical Porous Nanomaterials Based on por-Si, por-Si Incorporated by Ni and Metal Oxides for Gas Sensors
Approaches are being developed to create composite materials with a fractal-percolation structure based on intercalated porous matrices to increase the sensitivity of adsorption gas sensors. Porous silicon, nickel-containing porous silicon, and zinc oxide have been synthesized as materials for such...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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MDPI AG
2022-02-01
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| Series: | Sensors |
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| Online Access: | https://www.mdpi.com/1424-8220/22/4/1530 |
| _version_ | 1797476722078121984 |
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| author | Anton Bobkov Victor Luchinin Vyacheslav Moshnikov Svetlana Nalimova Yulia Spivak |
| author_facet | Anton Bobkov Victor Luchinin Vyacheslav Moshnikov Svetlana Nalimova Yulia Spivak |
| author_sort | Anton Bobkov |
| collection | DOAJ |
| description | Approaches are being developed to create composite materials with a fractal-percolation structure based on intercalated porous matrices to increase the sensitivity of adsorption gas sensors. Porous silicon, nickel-containing porous silicon, and zinc oxide have been synthesized as materials for such structures. Using the impedance spectroscopy method, it has been shown that the obtained materials demonstrate high sensitivity to organic solvent vapors and can be used in gas sensors. A model is proposed that explains the high sensitivity and inductive nature of the impedance at low frequencies, considering the structural features and fractal-percolation properties of the obtained oxide materials. |
| first_indexed | 2024-03-09T21:06:41Z |
| format | Article |
| id | doaj.art-f0756d7e27b24163b95335a80268ea82 |
| institution | Directory Open Access Journal |
| issn | 1424-8220 |
| language | English |
| last_indexed | 2024-03-09T21:06:41Z |
| publishDate | 2022-02-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Sensors |
| spelling | doaj.art-f0756d7e27b24163b95335a80268ea822023-11-23T22:00:59ZengMDPI AGSensors1424-82202022-02-01224153010.3390/s22041530Impedance Spectroscopy of Hierarchical Porous Nanomaterials Based on por-Si, por-Si Incorporated by Ni and Metal Oxides for Gas SensorsAnton Bobkov0Victor Luchinin1Vyacheslav Moshnikov2Svetlana Nalimova3Yulia Spivak4Department of Micro- and Nanoelectronics, Saint Petersburg Electrotechnical University “LETI”, Professor Popov Str. 5, 197376 St. Petersburg, RussiaDepartment of Micro- and Nanoelectronics, Saint Petersburg Electrotechnical University “LETI”, Professor Popov Str. 5, 197376 St. Petersburg, RussiaDepartment of Micro- and Nanoelectronics, Saint Petersburg Electrotechnical University “LETI”, Professor Popov Str. 5, 197376 St. Petersburg, RussiaDepartment of Micro- and Nanoelectronics, Saint Petersburg Electrotechnical University “LETI”, Professor Popov Str. 5, 197376 St. Petersburg, RussiaDepartment of Micro- and Nanoelectronics, Saint Petersburg Electrotechnical University “LETI”, Professor Popov Str. 5, 197376 St. Petersburg, RussiaApproaches are being developed to create composite materials with a fractal-percolation structure based on intercalated porous matrices to increase the sensitivity of adsorption gas sensors. Porous silicon, nickel-containing porous silicon, and zinc oxide have been synthesized as materials for such structures. Using the impedance spectroscopy method, it has been shown that the obtained materials demonstrate high sensitivity to organic solvent vapors and can be used in gas sensors. A model is proposed that explains the high sensitivity and inductive nature of the impedance at low frequencies, considering the structural features and fractal-percolation properties of the obtained oxide materials.https://www.mdpi.com/1424-8220/22/4/1530impedance spectroscopygas sensorfractalpercolationzinc oxideporous silicon |
| spellingShingle | Anton Bobkov Victor Luchinin Vyacheslav Moshnikov Svetlana Nalimova Yulia Spivak Impedance Spectroscopy of Hierarchical Porous Nanomaterials Based on por-Si, por-Si Incorporated by Ni and Metal Oxides for Gas Sensors Sensors impedance spectroscopy gas sensor fractal percolation zinc oxide porous silicon |
| title | Impedance Spectroscopy of Hierarchical Porous Nanomaterials Based on por-Si, por-Si Incorporated by Ni and Metal Oxides for Gas Sensors |
| title_full | Impedance Spectroscopy of Hierarchical Porous Nanomaterials Based on por-Si, por-Si Incorporated by Ni and Metal Oxides for Gas Sensors |
| title_fullStr | Impedance Spectroscopy of Hierarchical Porous Nanomaterials Based on por-Si, por-Si Incorporated by Ni and Metal Oxides for Gas Sensors |
| title_full_unstemmed | Impedance Spectroscopy of Hierarchical Porous Nanomaterials Based on por-Si, por-Si Incorporated by Ni and Metal Oxides for Gas Sensors |
| title_short | Impedance Spectroscopy of Hierarchical Porous Nanomaterials Based on por-Si, por-Si Incorporated by Ni and Metal Oxides for Gas Sensors |
| title_sort | impedance spectroscopy of hierarchical porous nanomaterials based on por si por si incorporated by ni and metal oxides for gas sensors |
| topic | impedance spectroscopy gas sensor fractal percolation zinc oxide porous silicon |
| url | https://www.mdpi.com/1424-8220/22/4/1530 |
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