Multistep energy migration between 3,3′-diethyl-9-methylthiacarbocyanine iodide monomers in uniaxially oriented polymer films

Piotr Bojarski, Ignacy Gryczyński, Leszek Kułak, Anna Synak, Shashank Bharill, Simeonika Rangełowa, Mariusz Szabelski

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

Multistep energy migration was studied for 3,3′-diethyl-9-methylthiacarbocyanine iodide (MDTCI) in uniaxially stretched and unstretched poly(vinyl alcohol) films. At low and intermediate concentrations fluorescence anisotropy decay measurements yield completely different results for disordered and ordered systems due to strong redistribution and angular correlation of fluorophores transition moments in ordered polymer matrix. These results and other selected properties of energy transport in uniaxially stretched polymer films were analyzed using the technique of Monte-Carlo simulation.

Original languageEnglish
Pages (from-to)332-336
Number of pages5
JournalChemical Physics Letters
Volume439
Issue number4-6
DOIs
StatePublished - 11 May 2007

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