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Dendritic polyesters for optical applications
KTH, Superseded Departments, Fibre and Polymer Technology.
KTH, Superseded Departments, Fibre and Polymer Technology.ORCID iD: 0000-0002-8348-2273
KTH, Superseded Departments, Fibre and Polymer Technology.ORCID iD: 0000-0002-9372-0829
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2003 (English)In: ORGANIC NANOPHOTONICS    / [ed] Charra F; Agranovich VM; Kajzar F, DORDRECHT, NETHERLANDS: SPRINGER , 2003, Vol. 100, p. 169-176Conference paper, Published paper (Refereed)
Abstract [en]

In the protection against lasers, optical power limiting (OPL) is an area of interest. We have explored the effect of using dendritic molecules, based on bis-MPA (2,2-bis(methylol)-propionic acid), as encapsulants; of porphyrine and thiophene dyes having OPL-properties. Preliminary results indicate that the OPL-effect of the porphyrine is increased approximately by a factor 2 if the porphyrine is. decorated with dendritic wedges. This is thought to be a result of isolation of the dye leading to extended lifetimes for the excited states, increasing the probability for multi-photon absorption. For the thiophenes no OPL-effect was observed. This was probably due to the small size of the dendrons; (first generation).

Place, publisher, year, edition, pages
DORDRECHT, NETHERLANDS: SPRINGER , 2003. Vol. 100, p. 169-176
Series
NATO SCIENCE SERIES, SERIES II: MATHEMATICS, PHYSICS AND CHEMISTRY ; 100
Keyword [en]
SITE-ISOLATION; STAR POLYMERS; DENDRIMERS
National Category
Chemical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-25462ISI: 000184285800016ISBN: 1-4020-1279-9 (print)OAI: oai:DiVA.org:kth-25462DiVA, id: diva2:358594
Conference
NATO Advanced Research Workshop on Organic Nanophotonics, AIX PROVENCE, FRANCE, AUG 25-29, 2002
Note
QC 20101022Available from: 2010-10-22 Created: 2010-10-22 Last updated: 2010-10-22Bibliographically approved

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Malmström, EvaHult, Anders

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