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Two-photon absorption cross-sections of reference dyes: A critical examination
KTH, School of Biotechnology (BIO), Theoretical Chemistry.ORCID iD: 0000-0002-1763-9383
2008 (English)In: ChemPhysChem, ISSN 1439-4235, E-ISSN 1439-7641, Vol. 9, no 1, 111-116 p.Article in journal (Refereed) Published
Abstract [en]

The electronic structure and one- and two-photon absorption spectra of four fluorophores, p-bis(o-methoxystyryl)benzene (Bis-MSB), coumarin 307, fluorescein and rhodomine B, commonly used as reference compounds for two-photon absorption spectra, hove been theoretically calculated and compared with available experimental data. The possible reasons for the wide discrepancies in two-photon absorption cross-sections reported in the literature are discussed on the basis of the theoretical findings. The role of a solvent environment on the electronic one- and two-photon absorption spectra is also studied. We highlight some necessary precautions that one needs to take when comparing literature results of two-photon absorption cross-sections.

Place, publisher, year, edition, pages
2008. Vol. 9, no 1, 111-116 p.
Keyword [en]
ab initio calculations, dyes/pigments, electronic structure, fluorescence, fluorescence spectroscopy, absolute measurement, laser-dyes, fluorescence, molecules, nm, polarization, excitation, dependence, model
Identifiers
URN: urn:nbn:se:kth:diva-17290DOI: 10.1002/cphc.200700397ISI: 000252837300013Scopus ID: 2-s2.0-38349011608OAI: oai:DiVA.org:kth-17290DiVA: diva2:335333
Note
QC 20100525Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2017-12-12Bibliographically approved

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Ågren, Hans

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