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Dendron-decorated cyanine dyes for optical limiting applications in the range of telecommunication wavelengths
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology.
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2009 (English)In: New Journal of Chemistry, ISSN 1144-0546, E-ISSN 1369-9261, Vol. 33, no 5, 964-968 p.Article in journal (Refereed) Published
Abstract [en]

Cyanine dyes decorated with 2,2-bis(methylol) propionic acid (bis-MPA) based dendrons up to third generation were synthesized. Dendrons were attached to the chromophore using a "click chemistry'' reaction. Photophysical characterizations of these dyes show intense absorption and emission in the near-infrared (NIR), while nonlinear transmission experiments of the dendron-decorated chromophores indicate that properties in the IR of the parent dyes are conserved. This synthetic approach is a crucial preliminary step towards the preparation of solid functional materials for optical limiting (OL) applications in the IR.

Place, publisher, year, edition, pages
2009. Vol. 33, no 5, 964-968 p.
Keyword [en]
absorption cross-section, 2, 2-bis(methylol)propionic acid dendrimers, 2-photon absorption, click chemistry, platinum(ii) acetylides, porphyrin, complexes
National Category
Chemical Sciences
URN: urn:nbn:se:kth:diva-18400DOI: 10.1039/b822485dISI: 000265860400003ScopusID: 2-s2.0-68949130047OAI: diva2:336447
QC 20100525Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2010-12-15Bibliographically approved

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Westlund, RobertMalkoch, MichaelMalmström, Eva
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