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Nonlinear optical properties of open-shell polychlorotriphenylmethyl radicals

hal.structure.identifierInstitut de Ciència de Materials de Barcelona [ICMAB]
dc.contributor.authorRATERA, Imma
hal.structure.identifierInstitut de Ciència de Materials de Barcelona [ICMAB]
dc.contributor.authorRUIZ-MOLINA, Daniel
hal.structure.identifierInstitut de Ciència de Materials de Barcelona [ICMAB]
dc.contributor.authorSPORER, D.
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorMARCÉN, Silvia
hal.structure.identifierCentre de physique moléculaire optique et hertzienne [CPMOH]
dc.contributor.authorMONTANT, S.
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorLÉTARD, Jean-François
hal.structure.identifierCentre de physique moléculaire optique et hertzienne [CPMOH]
dc.contributor.authorFREYSZ, Eric
hal.structure.identifierInstitut de Ciència de Materials de Barcelona [ICMAB]
dc.contributor.authorROVIRA, Concepció
hal.structure.identifierInstitut de Ciència de Materials de Barcelona [ICMAB]
dc.contributor.authorVECIANA, Jaume
dc.date.issued2003
dc.identifier.issn0277-5387
dc.description.abstractEnThe second-order nonlinear optical (SONLO) response of a series of the highly chemically and thermally stable polychlorotriphenylmethyl monoradicals 1–8 has been studied by Hyper-Rayleigh Scattering. These radicals exhibit relatively high nonlinear optical (NLO) responses with β values ranging from 118×10−30 to 755×10−30 esu, which may result from an enhancement of the SONLO activities according to their open-shell electronic state. Hyperpolarizability data for radicals 1–8 have also been correlated with their redox potentials, correlation that has turned out to be linearly proportional either with the oxidation or the reduction potentials. These data have been justified in terms of molecular orbital energies. Finally we have successfully explored the capacity of radicals 1–8 to participate in a molecular switching array involving two main steps, an acid/base reaction and a redox process. The presence of open-shell character for this family of compounds makes them attractive candidates to design new multifunctional materials that would simultaneously possess magnetism and NLO.
dc.language.isoen
dc.publisherElsevier
dc.subject.enRadical
dc.subject.enSecond-order
dc.subject.enNon-linear optics
dc.subject.enHRS
dc.subject.enElectrochemistry
dc.title.enNonlinear optical properties of open-shell polychlorotriphenylmethyl radicals
dc.typeArticle de revue
dc.identifier.doi10.1016/S0277-5387(03)00138-4
dc.subject.halChimie/Matériaux
bordeaux.journalPolyhedron
bordeaux.page1851-1856
bordeaux.volume22
bordeaux.issue14-17
bordeaux.peerReviewedoui
hal.identifierhal-00180132
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00180132v1
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