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Title: Dynamics of Long-Lived Polarons in Poly({ital para}-phenylene)-Type Ladder Polymers

Abstract

The {ital X}-band spin-1/2 photoluminescence-detected magnetic resonance of poly({ital para}-phenylene)-type ladder polymer films and solutions are described. The photoluminescence-enhancing resonances are assigned to enhanced nonradiative recombination of long-lived polaron pairs, which are singlet exciton quenching centers. Their behavior is consistent with two distinct polaron lifetimes or a very broad distribution of lifetimes; in solutions they are {approx_equal}10 longer than in films. Distinct lifetimes are discussed in relation to longer-lived intrachain interconjugation segment and shorter-lived interchain pairs. {copyright} {ital 1996 The American Physical Society.}

Authors:
; ; ; ;  [1]
  1. Institut fuer Festkoerperphysik, Technische Universitaet Graz, A-8010 Graz (Austria)
Publication Date:
Research Org.:
Ames National Laboratory
OSTI Identifier:
383285
DOE Contract Number:  
W-7405-ENG-82
Resource Type:
Journal Article
Journal Name:
Physical Review Letters
Additional Journal Information:
Journal Volume: 77; Journal Issue: 10; Other Information: PBD: Sep 1996
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; POLYMERS; POLARONS; DYNAMICS; PHOTOLUMINESCENCE; MAGNETIC RESONANCE; RECOMBINATION; LIFETIME; EXCITONS; FILMS; SOLUTIONS

Citation Formats

Graupner, W, Partee, J, Shinar, J, Leising, G, Scherf, U, Ames Laboratory-USDOE and Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, and Max Planck Institut fuer Polymerforschung, D-55128 Mainz. Dynamics of Long-Lived Polarons in Poly({ital para}-phenylene)-Type Ladder Polymers. United States: N. p., 1996. Web. doi:10.1103/PhysRevLett.77.2033.
Graupner, W, Partee, J, Shinar, J, Leising, G, Scherf, U, Ames Laboratory-USDOE and Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, & Max Planck Institut fuer Polymerforschung, D-55128 Mainz. Dynamics of Long-Lived Polarons in Poly({ital para}-phenylene)-Type Ladder Polymers. United States. https://doi.org/10.1103/PhysRevLett.77.2033
Graupner, W, Partee, J, Shinar, J, Leising, G, Scherf, U, Ames Laboratory-USDOE and Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, and Max Planck Institut fuer Polymerforschung, D-55128 Mainz. 1996. "Dynamics of Long-Lived Polarons in Poly({ital para}-phenylene)-Type Ladder Polymers". United States. https://doi.org/10.1103/PhysRevLett.77.2033.
@article{osti_383285,
title = {Dynamics of Long-Lived Polarons in Poly({ital para}-phenylene)-Type Ladder Polymers},
author = {Graupner, W and Partee, J and Shinar, J and Leising, G and Scherf, U and Ames Laboratory-USDOE and Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011 and Max Planck Institut fuer Polymerforschung, D-55128 Mainz},
abstractNote = {The {ital X}-band spin-1/2 photoluminescence-detected magnetic resonance of poly({ital para}-phenylene)-type ladder polymer films and solutions are described. The photoluminescence-enhancing resonances are assigned to enhanced nonradiative recombination of long-lived polaron pairs, which are singlet exciton quenching centers. Their behavior is consistent with two distinct polaron lifetimes or a very broad distribution of lifetimes; in solutions they are {approx_equal}10 longer than in films. Distinct lifetimes are discussed in relation to longer-lived intrachain interconjugation segment and shorter-lived interchain pairs. {copyright} {ital 1996 The American Physical Society.}},
doi = {10.1103/PhysRevLett.77.2033},
url = {https://www.osti.gov/biblio/383285}, journal = {Physical Review Letters},
number = 10,
volume = 77,
place = {United States},
year = {Sun Sep 01 00:00:00 EDT 1996},
month = {Sun Sep 01 00:00:00 EDT 1996}
}