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Effects of dipole alignment and channel interference on two-photon absorption cross sections of two-dimensional charge-transfer systems
KTH, Superseded Departments, Biotechnology.ORCID iD: 0000-0003-0007-0394
KTH, Superseded Departments, Biotechnology.ORCID iD: 0000-0002-1763-9383
2002 (English)In: Journal of Chemical Physics, ISSN 0021-9606, E-ISSN 1089-7690, Vol. 117, no 24, 11102-11106 p.Article in journal (Refereed) Published
Abstract [en]

The relationship between two-photon absorption cross sections and the architecture of donor-acceptor substitutions in two-dimensional charge-transfer cumulene-containing aromatic molecules is analyzed. It is shown that a molecular design strategy proposed for one-dimensional charge-transfer molecules must be considerably altered for two-dimensional systems. It is found that the maximal two-photon cross section of such two-dimensional systems can often be well described by a four state model. The importance of the alignment of the transition dipole moments and of channel interference on the two-photon absorption cross sections is emphasized.

Place, publisher, year, edition, pages
2002. Vol. 117, no 24, 11102-11106 p.
Keyword [en]
2-photon absorption, multibranched structures, molecules, spectrum, design
URN: urn:nbn:se:kth:diva-22116DOI: 10.1063/1.1522408ISI: 000179774000016OAI: diva2:340814
QC 20100525Available from: 2010-08-10 Created: 2010-08-10Bibliographically approved

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