NDLI: Theoretical treatment of the low magnetic field effect on the intensity of delayed fluorescence in conjugated polymers

Content Provider	IEEE Xplore Digital Library
Author	Laders, K. Blumstengel, S.
Copyright Year	1994
Description	Author affiliation: Hochschule fur Technik (Laders, K.)
Abstract	Summary form only given. We have calculated the time dependence of magnetic field effect on the intensity of the de layed fluorescence in conjugated polymers in terms of a phenomenological quantum mechanical model. We went out from the assumption, that delayed geminate recombination of charge carriers is the origin of the slow part of fluorescence. This is in agreement with the results of earlier experiments. In this model we considered the magnetic interaction between the 2 spins of the electron and the hole, with adjacent nuclear spins and with the applied magnetic field. The problem was solved by using the time dependend perturbation approach. Experiments on the time dependence of the magnetic field effect on the fluo rescence yield in the conjugated polymers poly(P-phenylene vinylene), in its phenylsubstituted derivatives as well as in oligomeric model compounds by means of a single photon counting technique are in progress.
Starting Page	243
Ending Page	243
File Size	86777
Page Count	1
File Format	PDF
DOI	10.1109/STSM.1994.835222
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1994-07-24
Publisher Place	Korea
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Spontaneous emission Charge carriers Delay effects Radiative recombination Fluorescence Charge carrier processes Polymers Magnetic fields
Content Type	Text
Resource Type	Article

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