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dc.contributor.authorHulkko, Eero
dc.contributor.authorAhokas, Jussi
dc.contributor.authorLindgren, Johan
dc.contributor.authorMyllyperkiö, Pasi
dc.contributor.authorPettersson, Mika
dc.date.accessioned2016-03-23T05:49:39Z
dc.date.available2016-03-23T05:49:39Z
dc.date.issued2012
dc.identifier.citationHulkko, E., Ahokas, J., Lindgren, J., Myllyperkiö, P., & Pettersson, M. (2012). Electronic spectroscopy of I2-Xe complexes in solid Krypton. <em>Journal of Chemical Physics</em>, 136 (17), 174501. <a href="http://dx.doi.org/10.1063/1.4706521">doi:10.1063/1.4706521</a>
dc.identifier.otherTUTKAID_54965
dc.identifier.urihttps://jyx.jyu.fi/handle/123456789/49161
dc.description.abstractIn the present work, we have studied ion-pair states of matrix-isolated I2 with vacuum-UV absorption and UV-vis-NIR emission, where the matrix environment is systematically changed by mixing Kr with Xe, from pure Kr to a more polarizable Xe host. Particular emphasis is put on low doping levels of Xe that yield a binary complex I2–Xe, as verified by coherent anti-Stokes Raman scattering (CARS) measurements. Associated with interaction of I2 with Xe we can observe strong new absorption in vacuum-UV, redshifted 2400 cm−1 from the X → D transition of I2. Observed redshift can be explained by symmetry breaking of ion-pair states within the I2–Xe complex. Systematic Xe doping of Kr matrices shows that at low doping levels, positions of I2 ion-pair emissions are not significantly affected by complexation with Xe, but simultaneous increase of emissions from doubly spin-excited states indicates non-radiative relaxation to valence states. At intermediate doping levels ion-pair emissions shift systematically to red due to change in the average polarizability of the environment. We have conducted spectrally resolved ultrafast pump-probe ion-pair emission studies with pure and Xe doped Kr matrices, in order to reveal the influence of Xe to I2 dynamics in solid Kr. Strikingly, relaxed emission from the ion-pair states shows no indication of complex presence. It further indicates that the complex escapes detection due to a non-radiative relaxation.
dc.language.isoeng
dc.publisherAIP
dc.relation.ispartofseriesJournal of Chemical Physics
dc.subject.otherElektroninen spektroskopia
dc.subject.otherjodi
dc.subject.otherkompleksi
dc.subject.othervarauksensiirto
dc.subject.otherElectronic spectroscopy
dc.subject.otheriodine
dc.subject.othercomplex
dc.subject.othercharge-transfer
dc.titleElectronic spectroscopy of I2-Xe complexes in solid Krypton
dc.typearticle
dc.identifier.urnURN:NBN:fi:jyu-201603141834
dc.contributor.laitosKemian laitosfi
dc.contributor.laitosDepartment of Chemistryen
dc.contributor.oppiaineFysikaalinen kemia
dc.type.urihttp://purl.org/eprint/type/JournalArticle
dc.date.updated2016-03-14T07:15:03Z
dc.type.coarjournal article
dc.description.reviewstatuspeerReviewed
dc.format.pagerange174501
dc.relation.issn0021-9606
dc.relation.volume136
dc.type.versionpublishedVersion
dc.rights.copyright© 2012 American Institute of Physics. Published in this repository with the kind permission of the publisher.
dc.rights.accesslevelopenAccessfi
dc.relation.doi10.1063/1.4706521


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