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Two-photon absorption properties of multi-branched bis-(styryl)benzene based organic chromophores
KTH, Superseded Departments, Biotechnology.
KTH, Superseded Departments, Biotechnology.ORCID iD: 0000-0003-0007-0394
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2004 (English)In: Journal of Molecular Structure: THEOCHEM, ISSN 0166-1280, Vol. 682, no 03-jan, 185-189 p.Article in journal (Refereed) Published
Abstract [en]

Two-photon absorption (TPA) cross-sections of a series of multi-branched trans-stilbene charge transfer compounds with benzene as the coupling center have been theoretically investigated using analytical response theory at the random phase approximation level. It shows that the TPA cross-sections of compounds with a quasi-one-dimensional geometrical arrangement can be enhanced through the pure electronic coupling of different branches. The effects of different combination of donor/acceptor substitutions on the TPA cross-sections have also been discussed.

Place, publisher, year, edition, pages
2004. Vol. 682, no 03-jan, 185-189 p.
Keyword [en]
two-photon absorption, charge-transfer process, electronic coupling, organic compounds, cross-sections, cooperative enhancement, charge-transfer, molecules, design
National Category
Chemical Sciences
URN: urn:nbn:se:kth:diva-23716DOI: 10.1016/j.theochem.2004.05.030ISI: 000223803200021ScopusID: 2-s2.0-4344694196OAI: diva2:342415
QC 20100525 QC 20110923Available from: 2010-08-10 Created: 2010-08-10 Last updated: 2011-09-23Bibliographically approved

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