Anomalous scaling properties of optical excitations in random media

Alexander L. Burin, Mark A Ratner

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

The eigenstates of small radius molecular excitations, coupled by the resonant dipole-dipole interaction, are examined for a system of random resonant centers. Anomalous scaling properties are seen even in the absence of external disordering, i.e. their properties are intermediate between localized and `true' delocalized states. The effective transport properties of excitations can be described in terms of anomalous diffusion, with a distance dependent diffusion coefficient scaling as D to approximately 1/R. This anomalous behavior agrees with our simulation of boundary quenching of excitons and with the related experiment on organic light emitting diodes (OLEDs).

Original languageEnglish
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
PublisherSociety of Photo-Optical Instrumentation Engineers
Pages601-602
Number of pages2
Volume3749
Publication statusPublished - 1999
EventProceedings of the 1999 18th Congress of the International Commission for Optics (ICO XVIII): Optics for the Next Millennium - San Francisco, CA, USA
Duration: Aug 2 1999Aug 6 1999

Other

OtherProceedings of the 1999 18th Congress of the International Commission for Optics (ICO XVIII): Optics for the Next Millennium
CitySan Francisco, CA, USA
Period8/2/998/6/99

Fingerprint

Photoexcitation
molecular excitation
dipoles
scaling
Organic light emitting diodes (OLED)
Excitons
Transport properties
excitation
Quenching
eigenvectors
light emitting diodes
diffusion coefficient
transport properties
quenching
excitons
radii
simulation
Experiments
interactions

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Condensed Matter Physics

Cite this

Burin, A. L., & Ratner, M. A. (1999). Anomalous scaling properties of optical excitations in random media. In Proceedings of SPIE - The International Society for Optical Engineering (Vol. 3749, pp. 601-602). Society of Photo-Optical Instrumentation Engineers.

Anomalous scaling properties of optical excitations in random media. / Burin, Alexander L.; Ratner, Mark A.

Proceedings of SPIE - The International Society for Optical Engineering. Vol. 3749 Society of Photo-Optical Instrumentation Engineers, 1999. p. 601-602.

Research output: Chapter in Book/Report/Conference proceedingChapter

Burin, AL & Ratner, MA 1999, Anomalous scaling properties of optical excitations in random media. in Proceedings of SPIE - The International Society for Optical Engineering. vol. 3749, Society of Photo-Optical Instrumentation Engineers, pp. 601-602, Proceedings of the 1999 18th Congress of the International Commission for Optics (ICO XVIII): Optics for the Next Millennium, San Francisco, CA, USA, 8/2/99.
Burin AL, Ratner MA. Anomalous scaling properties of optical excitations in random media. In Proceedings of SPIE - The International Society for Optical Engineering. Vol. 3749. Society of Photo-Optical Instrumentation Engineers. 1999. p. 601-602
Burin, Alexander L. ; Ratner, Mark A. / Anomalous scaling properties of optical excitations in random media. Proceedings of SPIE - The International Society for Optical Engineering. Vol. 3749 Society of Photo-Optical Instrumentation Engineers, 1999. pp. 601-602
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