Nanocomposite Based on HA/PVTMS/Cl<sub>2</sub>FeH<sub>8</sub>O<sub>4</sub> as a Gas and Temperature Sensor
In this paper, a novel nanocrystalline composite material of hydroxyapatite (HA)/polyvinyltrimethoxysilane (PVTMS)/iron(II)chloride tetrahydrate (Cl<sub>2</sub>FeH<sub>8</sub>-O<sub>4</sub>) with hexagonal structure is proposed for the fabrication of a gas/tempera...
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MDPI AG
2022-12-01
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| Series: | Sensors |
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| Online Access: | https://www.mdpi.com/1424-8220/22/24/10012 |
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| author | Sohrab Nasiri Marzieh Rabiei Ieva Markuniene Mozhgan Hosseinnezhad Reza Ebrahimi-Kahrizsangi Arvydas Palevicius Andrius Vilkauskas Giedrius Janusas |
| author_facet | Sohrab Nasiri Marzieh Rabiei Ieva Markuniene Mozhgan Hosseinnezhad Reza Ebrahimi-Kahrizsangi Arvydas Palevicius Andrius Vilkauskas Giedrius Janusas |
| author_sort | Sohrab Nasiri |
| collection | DOAJ |
| description | In this paper, a novel nanocrystalline composite material of hydroxyapatite (HA)/polyvinyltrimethoxysilane (PVTMS)/iron(II)chloride tetrahydrate (Cl<sub>2</sub>FeH<sub>8</sub>-O<sub>4</sub>) with hexagonal structure is proposed for the fabrication of a gas/temperature sensor. Taking into account the sensitivity of HA to high temperatures, to prevent the collapse and breakdown of bonds and the leakage of volatiles without damaging the composite structure, a freeze-drying machine is designed and fabricated. X-ray diffraction, FTIR, SEM, EDAX, TEM, absorption and photoluminescence analyses of composite are studied. XRD is used to confirm the material structure and the crystallite size of the composite is calculated by the Monshi–Scherrer method, and a value of 81.60 ± 0.06 nm is obtained. The influence of the oxygen environment on the absorption and photoluminescence measurements of the composite and the influence of vaporized ethanol, N<sub>2</sub> and CO on the SiO<sub>2</sub>/composite/Ag sensor device are investigated. The sensor with a 30 nm-thick layer of composite shows the highest response to vaporized ethanol, N<sub>2</sub> and ambient CO. Overall, the composite and sensor exhibit a good selectivity to oxygen, vaporized ethanol, N<sub>2</sub> and CO environments. |
| first_indexed | 2024-03-09T15:51:39Z |
| format | Article |
| id | doaj.art-7986387b43054a9baf2ed2266837fd15 |
| institution | Directory Open Access Journal |
| issn | 1424-8220 |
| language | English |
| last_indexed | 2024-03-09T15:51:39Z |
| publishDate | 2022-12-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Sensors |
| spelling | doaj.art-7986387b43054a9baf2ed2266837fd152023-11-24T17:59:04ZengMDPI AGSensors1424-82202022-12-0122241001210.3390/s222410012Nanocomposite Based on HA/PVTMS/Cl<sub>2</sub>FeH<sub>8</sub>O<sub>4</sub> as a Gas and Temperature SensorSohrab Nasiri0Marzieh Rabiei1Ieva Markuniene2Mozhgan Hosseinnezhad3Reza Ebrahimi-Kahrizsangi4Arvydas Palevicius5Andrius Vilkauskas6Giedrius Janusas7Faculty of Mechanical Engineering and Design, Kaunas University of Technology, Studentu Street 56, 51373 Kaunas, LithuaniaFaculty of Mechanical Engineering and Design, Kaunas University of Technology, Studentu Street 56, 51373 Kaunas, LithuaniaFaculty of Mechanical Engineering and Design, Kaunas University of Technology, Studentu Street 56, 51373 Kaunas, LithuaniaDepartment of Organic Colorants, Institute for Color Science and Technology, Tehran P.O. Box 16656118481, IranAdvanced Materials Research Center, Department of Materials Engineering, Najafabad Branch, Islamic Azad University of Najafabad, Najafabad P.O. Box 8514143131, IranFaculty of Mechanical Engineering and Design, Kaunas University of Technology, Studentu Street 56, 51373 Kaunas, LithuaniaFaculty of Mechanical Engineering and Design, Kaunas University of Technology, Studentu Street 56, 51373 Kaunas, LithuaniaFaculty of Mechanical Engineering and Design, Kaunas University of Technology, Studentu Street 56, 51373 Kaunas, LithuaniaIn this paper, a novel nanocrystalline composite material of hydroxyapatite (HA)/polyvinyltrimethoxysilane (PVTMS)/iron(II)chloride tetrahydrate (Cl<sub>2</sub>FeH<sub>8</sub>-O<sub>4</sub>) with hexagonal structure is proposed for the fabrication of a gas/temperature sensor. Taking into account the sensitivity of HA to high temperatures, to prevent the collapse and breakdown of bonds and the leakage of volatiles without damaging the composite structure, a freeze-drying machine is designed and fabricated. X-ray diffraction, FTIR, SEM, EDAX, TEM, absorption and photoluminescence analyses of composite are studied. XRD is used to confirm the material structure and the crystallite size of the composite is calculated by the Monshi–Scherrer method, and a value of 81.60 ± 0.06 nm is obtained. The influence of the oxygen environment on the absorption and photoluminescence measurements of the composite and the influence of vaporized ethanol, N<sub>2</sub> and CO on the SiO<sub>2</sub>/composite/Ag sensor device are investigated. The sensor with a 30 nm-thick layer of composite shows the highest response to vaporized ethanol, N<sub>2</sub> and ambient CO. Overall, the composite and sensor exhibit a good selectivity to oxygen, vaporized ethanol, N<sub>2</sub> and CO environments.https://www.mdpi.com/1424-8220/22/24/10012nanocompositeHA/PVTMS/C<sub>l2</sub>FeH<sub>8</sub>O<sub>4</sub>sol–gelfreeze-dryersensor |
| spellingShingle | Sohrab Nasiri Marzieh Rabiei Ieva Markuniene Mozhgan Hosseinnezhad Reza Ebrahimi-Kahrizsangi Arvydas Palevicius Andrius Vilkauskas Giedrius Janusas Nanocomposite Based on HA/PVTMS/Cl<sub>2</sub>FeH<sub>8</sub>O<sub>4</sub> as a Gas and Temperature Sensor Sensors nanocomposite HA/PVTMS/C<sub>l2</sub>FeH<sub>8</sub>O<sub>4</sub> sol–gel freeze-dryer sensor |
| title | Nanocomposite Based on HA/PVTMS/Cl<sub>2</sub>FeH<sub>8</sub>O<sub>4</sub> as a Gas and Temperature Sensor |
| title_full | Nanocomposite Based on HA/PVTMS/Cl<sub>2</sub>FeH<sub>8</sub>O<sub>4</sub> as a Gas and Temperature Sensor |
| title_fullStr | Nanocomposite Based on HA/PVTMS/Cl<sub>2</sub>FeH<sub>8</sub>O<sub>4</sub> as a Gas and Temperature Sensor |
| title_full_unstemmed | Nanocomposite Based on HA/PVTMS/Cl<sub>2</sub>FeH<sub>8</sub>O<sub>4</sub> as a Gas and Temperature Sensor |
| title_short | Nanocomposite Based on HA/PVTMS/Cl<sub>2</sub>FeH<sub>8</sub>O<sub>4</sub> as a Gas and Temperature Sensor |
| title_sort | nanocomposite based on ha pvtms cl sub 2 sub feh sub 8 sub o sub 4 sub as a gas and temperature sensor |
| topic | nanocomposite HA/PVTMS/C<sub>l2</sub>FeH<sub>8</sub>O<sub>4</sub> sol–gel freeze-dryer sensor |
| url | https://www.mdpi.com/1424-8220/22/24/10012 |
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