Temperature-Dependent n-to-p-Type Transition of 2D Mn Oxide Nanosheets toward NO2 for Flexible Gas Sensor Application
DC Field | Value | Language |
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dc.contributor.author | Kim, Dong-Ha | - |
dc.contributor.author | Lee, Joon-Seok | - |
dc.contributor.author | Park, Hee Jung | - |
dc.contributor.author | Kim, Il-Doo | - |
dc.contributor.author | Choi, Seon-Jin | - |
dc.date.accessioned | 2023-05-03T10:16:37Z | - |
dc.date.available | 2023-05-03T10:16:37Z | - |
dc.date.created | 2023-02-08 | - |
dc.date.issued | 2023-01 | - |
dc.identifier.issn | 2379-3694 | - |
dc.identifier.uri | https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/185086 | - |
dc.description.abstract | Rapid and on-site detection of nitrogen dioxide (NO2) is important for environmental monitoring as NO2 is a highly toxic chemical emitted from automobiles and power plants. In this study, we proposed atomically thin two-dimensional (2D) Mn oxide nanosheets (NSs) assembled on a flexible heating substrate for application in flexible and wearable NO2 sensors. A liquid-phase exfoliation technique was used to obtain individual Mn oxide layers that formed a homogeneous suspension. A flexible heater was fabricated by partially embedding Ag nanotubes (NTs) on the surface of a colorless polyimide (CPI) film for use as a sensor substrate. Temperature-dependent NO2 sensing properties were investigated via control of the operating temperature using a Ag NT-embedded CPI heating film. As a result, the n-type sensing behavior of the Mn oxide NSs exhibited a response [(Rgas - Rair)/Rair x 100 (%)] of 1.20 +/- 0.21% for 20 ppm NO2 at room temperature (25 degrees C). Meanwhile, n-p transition occurred with p-type sensing property as the operating temperature increased to 150 degrees C with an improved response [(Rair - Rgas)/Rair x 100 (%)] of 4.10 +/- 0.42% for 20 ppm NO2. The characteristic n-p transition of Mn oxide NSs at different operating temperatures was evidenced by the surface-adsorbed oxygen ions (i.e., O2- and O-) and nitrate species (NO3- and NO32-). | - |
dc.language | 영어 | - |
dc.language.iso | en | - |
dc.publisher | AMER CHEMICAL SOC | - |
dc.title | Temperature-Dependent n-to-p-Type Transition of 2D Mn Oxide Nanosheets toward NO2 for Flexible Gas Sensor Application | - |
dc.type | Article | - |
dc.contributor.affiliatedAuthor | Choi, Seon-Jin | - |
dc.identifier.doi | 10.1021/acssensors.2c02181 | - |
dc.identifier.scopusid | 2-s2.0-85145272560 | - |
dc.identifier.wosid | 000906831400001 | - |
dc.identifier.bibliographicCitation | ACS SENSORS, v.8, no.1, pp.280 - 288 | - |
dc.relation.isPartOf | ACS SENSORS | - |
dc.citation.title | ACS SENSORS | - |
dc.citation.volume | 8 | - |
dc.citation.number | 1 | - |
dc.citation.startPage | 280 | - |
dc.citation.endPage | 288 | - |
dc.type.rims | ART | - |
dc.type.docType | Article; Early Access | - |
dc.description.journalClass | 1 | - |
dc.description.isOpenAccess | N | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.relation.journalResearchArea | Chemistry | - |
dc.relation.journalResearchArea | Science & Technology - Other Topics | - |
dc.relation.journalWebOfScienceCategory | Chemistry, Multidisciplinary | - |
dc.relation.journalWebOfScienceCategory | Chemistry, Analytical | - |
dc.relation.journalWebOfScienceCategory | Nanoscience & Nanotechnology | - |
dc.subject.keywordPlus | Automobile plants | - |
dc.subject.keywordPlus | Chemical detection | - |
dc.subject.keywordPlus | Gas detectors | - |
dc.subject.keywordPlus | Nanosheets | - |
dc.subject.keywordPlus | Nitrogen oxides | - |
dc.subject.keywordPlus | Temperature | - |
dc.subject.keywordPlus | Wearable sensors | - |
dc.subject.keywordPlus | nitrogen dioxide | - |
dc.subject.keywordPlus | oxide | - |
dc.subject.keywordPlus | oxygen | - |
dc.subject.keywordPlus | 2d material | - |
dc.subject.keywordPlus | Ag nanotube | - |
dc.subject.keywordPlus | Flexible heaters | - |
dc.subject.keywordPlus | Mn oxide nanosheet | - |
dc.subject.keywordPlus | Mn oxides | - |
dc.subject.keywordPlus | NO 2 sensor | - |
dc.subject.keywordPlus | Operating temperature | - |
dc.subject.keywordPlus | Oxide nanosheets | - |
dc.subject.keywordPlus | P-type | - |
dc.subject.keywordPlus | Temperature dependent | - |
dc.subject.keywordPlus | environmental monitoring | - |
dc.subject.keywordPlus | heating | - |
dc.subject.keywordPlus | temperature | - |
dc.subject.keywordPlus | Nanotubes | - |
dc.subject.keywordAuthor | 2D materials | - |
dc.subject.keywordAuthor | Mn oxide nanosheets | - |
dc.subject.keywordAuthor | NO2 sensor | - |
dc.subject.keywordAuthor | Ag nanotube | - |
dc.subject.keywordAuthor | flexible heater | - |
dc.identifier.url | https://pubs.acs.org/doi/10.1021/acssensors.2c02181 | - |
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