Covalent functionalization of few-layer black phosphorus using iodonium salts and comparison to diazonium modified black phosphorus

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dc.contributor.authorvan Druenen, Maart
dc.contributor.authorDavitt, Fionán
dc.contributor.authorCollins, Timothy W.
dc.contributor.authorGlynn, Colm
dc.contributor.authorO'Dwyer, Colm
dc.contributor.authorHolmes, Justin D.
dc.contributor.authorCollins, Jillian
dc.contributor.funderIrish Research Councilen
dc.contributor.funderScience Foundation Irelanden
dc.date.accessioned2018-08-01T14:49:20Z
dc.date.available2018-08-01T14:49:20Z
dc.date.issued2018-07-22
dc.date.updated2018-08-01T12:54:30Z
dc.description.abstractSince the isolation of two-dimensional (2D) phosphorene, black phosphorus (BP) has gained popularity due to its high carrier mobility and tunable bandgap. Poor ambient stability of BP remains a key issue and impedes its use in electronic applications. Here we report a new stabilization strategy based on covalent functionalization of liquid exfoliated few-layer BP using aryl iodonium salts. Arylation of BP using iodonium salts enables covalent modification without inducing oxidation and alters the degradation chemistry of BP by inhibiting bridged oxygen formation through attachment to surface oxygen sites. In comparison, functionalization using aryl diazonium salts results in oxidation and aryl multilayer formation and does not adequately disrupt noncovalent solvent passivation. Aryl functionalization of BP using iodonium salts displays superior ambient stability compared to arylation using diazonium salts associated with greater covalent functionalization as characterized using X-ray photoelectron spectroscopy, scanning transmission electron microscopy, photoluminescence, and attenuated total reflectance infrared spectroscopy.en
dc.description.sponsorshipIrish Research Council (Government of Ireland Postgraduate Scholarship Programme under Grant No. GOIPG/2015/2933);en
dc.description.statusPeer revieweden
dc.description.versionAccepted Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationvan Druenen, M., Davitt, F., Collins, T., Glynn, C., O’Dwyer, C., Holmes, J. D. and Collins, G. (2018) 'Covalent Functionalization of Few-Layer Black Phosphorus Using Iodonium Salts and Comparison to Diazonium Modified Black Phosphorus', Chemistry of Materials, 30(14), pp. 4667-4674. doi: 10.1021/acs.chemmater.8b01306en
dc.identifier.doi10.1021/acs.chemmater.8b01306
dc.identifier.endpage4674en
dc.identifier.issn0897-4756
dc.identifier.issn1520-5002
dc.identifier.issued14en
dc.identifier.journaltitleChemistry of Materialsen
dc.identifier.startpage4667en
dc.identifier.urihttps://hdl.handle.net/10468/6561
dc.identifier.volume30en
dc.language.isoenen
dc.publisherAmerican Chemical Society (ACS)en
dc.relation.projectinfo:eu-repo/grantAgreement/SFI/SFI Research Centres/12/RC/2278/IE/Advanced Materials and BioEngineering Research Centre (AMBER)/en
dc.relation.projectinfo:eu-repo/grantAgreement/SFI/SFI Technology and Innovation Development Award (TIDA)/15/TIDA/2893/IE/Advanced Battery Materials for High Volumetric Energy Density Li-ion Batteries for Remote Off-Grid Power/en
dc.relation.projectinfo:eu-repo/grantAgreement/SFI/SFI Investigator Programme/14/IA/2581/IE/Diffractive optics and photonic probes for efficient mouldable 3D printed battery skin materials for portable electronic devices/en
dc.relation.urihttps://pubs.acs.org/doi/abs/10.1021/acs.chemmater.8b01306
dc.rights© 2018 American Chemical Society. This document is the Accepted Manuscript version of a Published Work that appeared in final form in Chemistry of Materials, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see https://pubs.acs.org/doi/10.1021/acs.chemmater.8b01306en
dc.subjectSaltsen
dc.subjectAromatic compoundsen
dc.subjectChemical reactionsen
dc.subjectHigh resolution transmission electron microscopyen
dc.subjectInfrared spectroscopyen
dc.subjectPhosphorusen
dc.subjectScanning electron microscopyen
dc.subjectTransmission electron microscopyen
dc.subjectX ray photoelectron spectroscopyen
dc.subjectCovalent functionalizationsen
dc.subjectCovalent modificationsen
dc.subjectDegradation chemistryen
dc.subjectElectronic applicationen
dc.subjectHigh carrier mobilityen
dc.subjectMultilayer formationen
dc.subjectScanning transmission electron microscopyen
dc.subjectTwo Dimensional (2 D)en
dc.titleCovalent functionalization of few-layer black phosphorus using iodonium salts and comparison to diazonium modified black phosphorusen
dc.typeArticle (peer-reviewed)en
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