Low Power Resistive Oxygen Sensor Based on Sonochemical SrTi0.6Fe0.4O2.8 (STFO40)
The current paper reports on a sonochemical synthesis method for manufacturing nanostructured (typical grain size of 50 nm) SrTi0.6Fe0.4O2.8 (Sono-STFO40) powder. This powder is characterized using X ray-diffraction (XRD), Mössbauer spectroscopy and Scanning Electron Microscopy (SEM), and results a...
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| Format: | Article |
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MDPI AG
2015-07-01
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| Series: | Sensors |
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| Online Access: | http://www.mdpi.com/1424-8220/15/7/17495 |
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| author | Alisa Stratulat Bogdan-Catalin Serban Andrea de Luca Viorel Avramescu Cornel Cobianu Mihai Brezeanu Octavian Buiu Lucian Diamandescu Marcel Feder Syed Zeeshan Ali Florin Udrea |
| author_facet | Alisa Stratulat Bogdan-Catalin Serban Andrea de Luca Viorel Avramescu Cornel Cobianu Mihai Brezeanu Octavian Buiu Lucian Diamandescu Marcel Feder Syed Zeeshan Ali Florin Udrea |
| author_sort | Alisa Stratulat |
| collection | DOAJ |
| description | The current paper reports on a sonochemical synthesis method for manufacturing nanostructured (typical grain size of 50 nm) SrTi0.6Fe0.4O2.8 (Sono-STFO40) powder. This powder is characterized using X ray-diffraction (XRD), Mössbauer spectroscopy and Scanning Electron Microscopy (SEM), and results are compared with commercially available SrTi0.4Fe0.6O2.8 (STFO60) powder. In order to manufacture resistive oxygen sensors, both Sono-STFO40 and STFO60 are deposited, by dip-pen nanolithography (DPN) method, on an SOI (Silicon-on-Insulator) micro-hotplate, employing a tungsten heater embedded within a dielectric membrane. Oxygen detection tests are performed in both dry (RH = 0%) and humid (RH = 60%) nitrogen atmosphere, varying oxygen concentrations between 1% and 16% (v/v), at a constant heater temperature of 650 °C. The oxygen sensor, based on the Sono-STFO40 sensing layer, shows good sensitivity, low power consumption (80 mW), and short response time (25 s). These performance are comparable to those exhibited by state-of-the-art O2 sensors based on STFO60, thus proving Sono-STFO40 to be a material suitable for oxygen detection in harsh environments. |
| first_indexed | 2024-04-11T13:27:51Z |
| format | Article |
| id | doaj.art-7327b36e11e343a88da7ea3ee0ee1ebf |
| institution | Directory Open Access Journal |
| issn | 1424-8220 |
| language | English |
| last_indexed | 2024-04-11T13:27:51Z |
| publishDate | 2015-07-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Sensors |
| spelling | doaj.art-7327b36e11e343a88da7ea3ee0ee1ebf2022-12-22T04:22:00ZengMDPI AGSensors1424-82202015-07-01157174951750610.3390/s150717495s150717495Low Power Resistive Oxygen Sensor Based on Sonochemical SrTi0.6Fe0.4O2.8 (STFO40)Alisa Stratulat0Bogdan-Catalin Serban1Andrea de Luca2Viorel Avramescu3Cornel Cobianu4Mihai Brezeanu5Octavian Buiu6Lucian Diamandescu7Marcel Feder8Syed Zeeshan Ali9Florin Udrea10Honeywell Romania SRL, Sensors and Wireless Laboratory Bucharest (SWLB), Bucharest 020339, RomaniaHoneywell Romania SRL, Sensors and Wireless Laboratory Bucharest (SWLB), Bucharest 020339, RomaniaCentre for Advanced Photonics and Electronics (CAPE), University of Cambridge, Cambridge CB3 0FA, UKHoneywell Romania SRL, Sensors and Wireless Laboratory Bucharest (SWLB), Bucharest 020339, RomaniaHoneywell Romania SRL, Sensors and Wireless Laboratory Bucharest (SWLB), Bucharest 020339, RomaniaHoneywell Romania SRL, Sensors and Wireless Laboratory Bucharest (SWLB), Bucharest 020339, RomaniaHoneywell Romania SRL, Sensors and Wireless Laboratory Bucharest (SWLB), Bucharest 020339, RomaniaNational Institute of Materials Physics, Bucharest-Magurele, P.O. Box. MG-7, Magurele 77125, RomaniaNational Institute of Materials Physics, Bucharest-Magurele, P.O. Box. MG-7, Magurele 77125, RomaniaCambridge CMOS Sensors Ltd., Cambridge CB4 0DL, UKCentre for Advanced Photonics and Electronics (CAPE), University of Cambridge, Cambridge CB3 0FA, UKThe current paper reports on a sonochemical synthesis method for manufacturing nanostructured (typical grain size of 50 nm) SrTi0.6Fe0.4O2.8 (Sono-STFO40) powder. This powder is characterized using X ray-diffraction (XRD), Mössbauer spectroscopy and Scanning Electron Microscopy (SEM), and results are compared with commercially available SrTi0.4Fe0.6O2.8 (STFO60) powder. In order to manufacture resistive oxygen sensors, both Sono-STFO40 and STFO60 are deposited, by dip-pen nanolithography (DPN) method, on an SOI (Silicon-on-Insulator) micro-hotplate, employing a tungsten heater embedded within a dielectric membrane. Oxygen detection tests are performed in both dry (RH = 0%) and humid (RH = 60%) nitrogen atmosphere, varying oxygen concentrations between 1% and 16% (v/v), at a constant heater temperature of 650 °C. The oxygen sensor, based on the Sono-STFO40 sensing layer, shows good sensitivity, low power consumption (80 mW), and short response time (25 s). These performance are comparable to those exhibited by state-of-the-art O2 sensors based on STFO60, thus proving Sono-STFO40 to be a material suitable for oxygen detection in harsh environments.http://www.mdpi.com/1424-8220/15/7/17495sonochemistrySTFOoxygen sensingsilicon-on-InsulatorCMOS-compatibledip-pen nanolithographyharsh environment |
| spellingShingle | Alisa Stratulat Bogdan-Catalin Serban Andrea de Luca Viorel Avramescu Cornel Cobianu Mihai Brezeanu Octavian Buiu Lucian Diamandescu Marcel Feder Syed Zeeshan Ali Florin Udrea Low Power Resistive Oxygen Sensor Based on Sonochemical SrTi0.6Fe0.4O2.8 (STFO40) Sensors sonochemistry STFO oxygen sensing silicon-on-Insulator CMOS-compatible dip-pen nanolithography harsh environment |
| title | Low Power Resistive Oxygen Sensor Based on Sonochemical SrTi0.6Fe0.4O2.8 (STFO40) |
| title_full | Low Power Resistive Oxygen Sensor Based on Sonochemical SrTi0.6Fe0.4O2.8 (STFO40) |
| title_fullStr | Low Power Resistive Oxygen Sensor Based on Sonochemical SrTi0.6Fe0.4O2.8 (STFO40) |
| title_full_unstemmed | Low Power Resistive Oxygen Sensor Based on Sonochemical SrTi0.6Fe0.4O2.8 (STFO40) |
| title_short | Low Power Resistive Oxygen Sensor Based on Sonochemical SrTi0.6Fe0.4O2.8 (STFO40) |
| title_sort | low power resistive oxygen sensor based on sonochemical srti0 6fe0 4o2 8 stfo40 |
| topic | sonochemistry STFO oxygen sensing silicon-on-Insulator CMOS-compatible dip-pen nanolithography harsh environment |
| url | http://www.mdpi.com/1424-8220/15/7/17495 |
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