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Electrospun Nickel Manganite (NiMn2O4) Nanocrystalline Fibers for Humidity and Temperature Sensing
dc.creator | Dojčinović, Milena | |
dc.creator | Vasiljević, Zorka Z | |
dc.creator | Krstic, Jugoslav B. | |
dc.creator | Vujančević, Jelena | |
dc.creator | Marković, Smilja | |
dc.creator | Tadić, Nenad B. | |
dc.creator | Nikolić, Maria Vesna | |
dc.date.accessioned | 2022-04-05T15:34:14Z | |
dc.date.available | 2022-04-05T15:34:14Z | |
dc.date.issued | 2021 | |
dc.identifier.issn | 1424-8220 | |
dc.identifier.uri | http://rimsi.imsi.bg.ac.rs/handle/123456789/1436 | |
dc.description.abstract | Nickel manganite nanocrystalline fibers were obtained by electrospinning and subsequent calcination at 400 degrees C. As-spun fibers were characterized by TG/DTA, Scanning Electron Microscopy and FT-IR spectroscopy analysis. X-ray diffraction and FT-IR spectroscopy analysis confirmed the formation of nickel manganite with a cubic spinel structure, while N-2 physisorption at 77 K enabled determination of the BET specific surface area as 25.3 m(2)/g and (BJH) mesopore volume as 21.5 m(2)/g. The material constant (B) of the nanocrystalline nickel manganite fibers applied by drop-casting on test interdigitated electrodes on alumina substrate, dried at room temperature, was determined as 4379 K in the 20-50 degrees C temperature range and a temperature sensitivity of -4.95%/K at room temperature (25 degrees C). The change of impedance with relative humidity was monitored at 25 and 50 degrees C for a relative humidity (RH) change of 40 to 90% in the 42 Hz pi 1 MHz frequency range. At 100 Hz and 25 degrees C, the sensitivity of 327.36 +/- 80.12 k omega/%RH was determined, showing that nickel manganite obtained by electrospinning has potential as a multifunctional material for combined humidity and temperature sensing. | en |
dc.publisher | MDPI, Basel | |
dc.relation | info:eu-repo/grantAgreement/MESTD/inst-2020/200053/RS// | |
dc.relation | info:eu-repo/grantAgreement/MESTD/inst-2020/200026/RS// | |
dc.rights | openAccess | |
dc.rights.uri | https://creativecommons.org/licenses/by/4.0/ | |
dc.source | Sensors | |
dc.subject | temperature sensing | en |
dc.subject | NTC thermistor | en |
dc.subject | nickel manganite | en |
dc.subject | nanocrystalline fibers | en |
dc.subject | humidity sensing | en |
dc.subject | electrospinning | en |
dc.title | Electrospun Nickel Manganite (NiMn2O4) Nanocrystalline Fibers for Humidity and Temperature Sensing | en |
dc.type | article | |
dc.rights.license | BY | |
dc.citation.issue | 13 | |
dc.citation.other | 21(13): - | |
dc.citation.rank | M21 | |
dc.citation.volume | 21 | |
dc.identifier.doi | 10.3390/s21134357 | |
dc.identifier.fulltext | http://rimsi.imsi.bg.ac.rs/bitstream/id/361/1433.pdf | |
dc.identifier.pmid | 34202332 | |
dc.identifier.scopus | 2-s2.0-85110292621 | |
dc.identifier.wos | 000671959600001 | |
dc.type.version | publishedVersion |