NDLI: Photophysics of poly(p-phenylene vinylene) films

Content Provider	Scilit
Author	Anni, M. Gigli, G. Cingolani, R. Gobato, Y. Galvão Vercik, A. Marletta, A. Guimarães, F. G. E. Faria, R. M.
Copyright Year	2004
Description	We report on time resolved photoluminescence (PLRT) measurements in poly(p-phenylene vinylene) (PPV) films irradiated by laser in the presence of air. We observe a PL intensity enhancement and a biexponential decay dynamics of PL signal for all irradiated films. These results can be understood in terms of a chain shortening process due to carbonyl incorporation and formation of an energy profile that extends and migrates into the film and enables efficient spectral diffusion of excited carriers to a non-degraded PPV segments by Förster energy transfer.
Related Links	http://www.scielo.br/pdf/bjp/v34n2b/a35v342b.pdf
Ending Page	662
Page Count	4
Starting Page	659
ISSN	01039733
e-ISSN	16784448
DOI	10.1590/s0103-97332004000400035
Journal	Brazilian Journal of Physics
Issue Number	2b
Volume Number	34
Language	English
Publisher	FapUNIFESP (SciELO)
Publisher Date	2004-06-01
Access Restriction	Open
Subject Keyword	Brazilian Journal of Physics Applied Physics Phenylene Vinylene Photophysics of Poly
Content Type	Text
Resource Type	Article
Subject	Physics and Astronomy

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Photophysics of poly(p-phenylene vinylene) films