Multi-Sensing Platform Based on 2D Monoelement Germanane

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dc.contributor.authorVaghasiya, Jayraj Vinubhaics
dc.contributor.authorMayorga-Martinez, Carmen C.cs
dc.contributor.authorSonigara, Kevalkumar Kishorbhaics
dc.contributor.authorLazar, Petrcs
dc.contributor.authorPumera, Martincs
dc.coverage.issue44cs
dc.coverage.volume35cs
dc.date.issued2023-11-01cs
dc.description.abstractCovalently functionalized germanane is a novel type of fluorescent probe that can be employed in material science and analytical sensing. Here, a fluorometric sensing platform based on methyl-functionalized germanane (CH3Ge) is developed for gas (humidity and ammonia) sensing, pH (1-9) sensing, and anti-counterfeiting. Luminescence (red-orange) is seen when a gas molecule intercalates into the interlayer space of CH3Ge and the luminescence disappears upon deintercalation. This allows for direct detection of gas absorption via fluorometric measurements of the CH3Ge. Structural and optical properties of CH3Ge with intercalated gas molecules are investigated by density functional theory (DFT). To demonstrate real-time and on-the-spot testing, absorbed gas molecules are first precisely quantified by CH3Ge using a smartphone camera with an installed color intensity processing application (APP). Further, CH3Ge-paper-based sensor is integrated into real food packets (e.g., fish and milk) to monitor the shelf life of perishable foods. Finally, CH3Ge-based rewritable paper is applied in water jet printing to illustrate the potential for secret communication with quick coloration and good reversibility by water evaporation.en
dc.formattextcs
dc.format.extent13cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationADVANCED MATERIALS. 2023, vol. 35, issue 44, 13 p.en
dc.identifier.doi10.1002/adma.202304694cs
dc.identifier.issn1521-4095cs
dc.identifier.orcid0000-0001-5846-2951cs
dc.identifier.other184999cs
dc.identifier.researcheridF-2724-2010cs
dc.identifier.urihttp://hdl.handle.net/11012/245111
dc.language.isoencs
dc.publisherWILEY-V C H VERLAG GMBHcs
dc.relation.ispartofADVANCED MATERIALScs
dc.relation.urihttps://onlinelibrary.wiley.com/doi/10.1002/adma.202304694cs
dc.rightsCreative Commons Attribution 4.0 Internationalcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/1521-4095/cs
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/cs
dc.subject2D materialsen
dc.subjectfood quality analysisen
dc.subjectgas sensorsen
dc.subjectgermananeen
dc.subjecthumidityen
dc.subjectsecret communicationen
dc.titleMulti-Sensing Platform Based on 2D Monoelement Germananeen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-184999en
sync.item.dbtypeVAVen
sync.item.insts2025.02.03 15:50:35en
sync.item.modts2025.01.17 18:39:35en
thesis.grantorVysoké učení technické v Brně. Středoevropský technologický institut VUT. Energie budoucnosti a inovacecs
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