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Novel heterocycle-based organic molecules with two-photon induced blue fluorescent emission
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2003 (English)In: Journal of Materials Chemistry, ISSN 0959-9428, E-ISSN 1364-5501, Vol. 13, no 4, 708-711 p.Article in journal (Refereed) Published
Abstract [en]

Two-photon absorption and two-photon induced blue emission characteristics of a series of heterocycle-based organic molecules are investigated experimentally and by quantum-chemical computations. The molecules consist of a typical A-pi-A' structure, where heterocycle, styryl and formyl groups are employed as A, pi-conjugated and A' moieties, respectively. Experimental results indicate that significant enhancements in the blue emission efficiency and two-photon absorption cross-sections can be achieved by replacing S and O atoms with an N atom in the heterocycle acceptor moiety, which is also supported by the quantum-chemical computations. Additionally, larger two-photon absorption cross-sections can be obtained by choosing appropriate solvents, as indicated by the computations.

Place, publisher, year, edition, pages
2003. Vol. 13, no 4, 708-711 p.
Keyword [en]
absorption cross-sections, 2-photon absorption, single-molecule, autofluorescent proteins, excited fluorescence, optically dense, excitation, microscopy, dyes, fluorophores
Identifiers
URN: urn:nbn:se:kth:diva-22339DOI: 10.1039/b300924fISI: 000181670900019OAI: oai:DiVA.org:kth-22339DiVA: diva2:341037
Note
QC 20100525Available from: 2010-08-10 Created: 2010-08-10 Last updated: 2017-12-12Bibliographically approved

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Luo, Yi

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