Essential optical states in π-conjugated polymer films

Sumit Mazumdar, Zhendong Wang, Demetra Psiachos, Alok Shukla

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We develop a theory of the electronic structure and photophysics of interacting chains of π-conjugated polymers to understand the differences between solutions and films. While photoexcitation generates only the exciton in solutions, the optical exciton as well as weakly allowed excimers are generated in films. We explain the nonexponential time decay of photoluminescence in films. We also explain photoinduced absorptions in films, which are primarily from the lowest excimer.

Original languageEnglish (US)
Title of host publicationLaser Science, LS 2008
PublisherOptical Society of America (OSA)
ISBN (Print)9781557528612
DOIs
StatePublished - 2008
EventLaser Science, LS 2008 - Rochester, NY, United States
Duration: Oct 19 2008Oct 23 2008

Publication series

NameOptics InfoBase Conference Papers
ISSN (Electronic)2162-2701

Other

OtherLaser Science, LS 2008
CountryUnited States
CityRochester, NY
Period10/19/0810/23/08

ASJC Scopus subject areas

  • Instrumentation
  • Atomic and Molecular Physics, and Optics

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  • Cite this

    Mazumdar, S., Wang, Z., Psiachos, D., & Shukla, A. (2008). Essential optical states in π-conjugated polymer films. In Laser Science, LS 2008 (Optics InfoBase Conference Papers). Optical Society of America (OSA). https://doi.org/10.1364/ls.2008.lwf2