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A direct approach to study radiative emission from triplet excitations in molecular semiconductors and conjugated polymers

Singh, Jai, Baessler, H. and Kugler, S. (2008). A direct approach to study radiative emission from triplet excitations in molecular semiconductors and conjugated polymers. Journal of Chemical Physics,129(4):41103-041103-4.

Document type: Journal Article

ISI LOC 000258171500003
IRMA ID 80801245xPUB70
Title A direct approach to study radiative emission from triplet excitations in molecular semiconductors and conjugated polymers
Author Singh, Jai
Baessler, H.
Kugler, S.
Journal Name Journal of Chemical Physics
Publication Date 2008
Volume Number 129
Issue Number 4
ISSN 1089-7690   (check CDU catalogue open catalogue search in new window)
Scopus ID 2-s2.0-49149094569
Start Page 41103
End Page 041103-4
Total Pages 1
Place of Publication Melville, N.Y.
Publisher American Institute of Physics
Field of Research 0202 - Atomic, Molecular, Nuclear, Particle and Plasma Physics
0306 - Physical Chemistry (incl. Structural)
0904 - Chemical Engineering
HERDC Category C1 - Journal Article (DEST)
Abstract Using the recently discovered time-dependent spin-orbit-photon interaction operator and first order perturbation theory, the rate of spontaneous emission from triplet excitations is derived within the two-level approximation for organic molecular solids and conjugated polymers. The calculated rates and corresponding radiative lifetimes agree very well with the known experimental results. Present results are compared with those obtained through the traditional approach of the second order perturbation theory in some molecular crystals and found to be in better agreement with experiments.
DOI http://dx.doi.org/10.1063/1.2961010   (check subscription with CDU E-Gateway service for CDU Staff and Students  check subscription with CDU E-Gateway in new window)
 
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Created: Wed, 13 May 2009, 16:02:51 CST by Sarena Wegener