InthelastyearstheresearchintheMetalOrganicFrameworks(MOFs) andCoordinationPolymers(CPs)fieldshas focusedonisolatinganewclassof2Dmaterials,knownasMetal-OrganicNanosheets(MONs)[1],whicharelayers withnanometricthicknesscharacterizedbygreatchemical variabilityandflexibility.Theirhighsurfaceareaand manyexposedactivesites,allowthemtobeappliedinnumerousresearchfields.InoursearchtoisolatenewMONs, we selectedanalready knownAl-based2DCPfromtheCambridgeStructural Database (CSD) (CSDrefcode: WAKHAU,knownalsoasCAU-15)[2]byfollowingspecificcriteriaofexfoliability.Thecorresponding2Dexfoliated material, obtained by solvent-assisted sonication method, has been characterized by XRPD, HR-TEMand photoluminescencespectroscopy.Inthebulksolid-stateCAU-15showsanemissioncenteredat340nm,whilethose ofitscolloidalsuspensionsinwaterisshiftedto320nm.TostudythesensingabilityofCAU-15Nstowardmetalions, theemissionproperties of its aqueous colloidal solution in thepresenceof selectedmetal ions havebeen investigated. Itresultsthat,aremarkablequenchingofthefluorescenceisdetectedinthepresenceofFe(III)and Nd(III) ions. ThisfeatureopenthepossibilitytoapplyCAU-15Nsasaselectivefluorescentsensor forthesemetal ions.
New Al-based microcrystalline Metal-Organic Nanosheets (MONs) as efficient fluorescent sensor for Fe(III) in water / D. Blasi, M. Formenti, D. Malpicci, E. Lucenti, E. Cariati, L. Carlucci. ((Intervento presentato al 20. convegno ICCGE20 Crystal Growth and Hepitaxy : 30 July - 4 August tenutosi a Napoli nel 2023.
New Al-based microcrystalline Metal-Organic Nanosheets (MONs) as efficient fluorescent sensor for Fe(III) in water
D. Blasi;M. Formenti;D. Malpicci;E. Lucenti;E. Cariati;
2023
Abstract
InthelastyearstheresearchintheMetalOrganicFrameworks(MOFs) andCoordinationPolymers(CPs)fieldshas focusedonisolatinganewclassof2Dmaterials,knownasMetal-OrganicNanosheets(MONs)[1],whicharelayers withnanometricthicknesscharacterizedbygreatchemical variabilityandflexibility.Theirhighsurfaceareaand manyexposedactivesites,allowthemtobeappliedinnumerousresearchfields.InoursearchtoisolatenewMONs, we selectedanalready knownAl-based2DCPfromtheCambridgeStructural Database (CSD) (CSDrefcode: WAKHAU,knownalsoasCAU-15)[2]byfollowingspecificcriteriaofexfoliability.Thecorresponding2Dexfoliated material, obtained by solvent-assisted sonication method, has been characterized by XRPD, HR-TEMand photoluminescencespectroscopy.Inthebulksolid-stateCAU-15showsanemissioncenteredat340nm,whilethose ofitscolloidalsuspensionsinwaterisshiftedto320nm.TostudythesensingabilityofCAU-15Nstowardmetalions, theemissionproperties of its aqueous colloidal solution in thepresenceof selectedmetal ions havebeen investigated. Itresultsthat,aremarkablequenchingofthefluorescenceisdetectedinthepresenceofFe(III)and Nd(III) ions. ThisfeatureopenthepossibilitytoapplyCAU-15Nsasaselectivefluorescentsensor forthesemetal ions.
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