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The Applicability of Diffusion Theory to the Study of Luminescent Emission from a Doped Organic Crystal
Author(s) -
Selsby R. G.
Publication year - 1972
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.2220530117
Subject(s) - diffusion , doping , impurity , exciton , crystal (programming language) , luminescence , excitation , diffusion theory , materials science , chemical physics , fluorescence , field (mathematics) , energy transfer , trap (plumbing) , chemistry , condensed matter physics , thermodynamics , optoelectronics , physics , optics , quantum mechanics , organic chemistry , programming language , mathematics , pure mathematics , meteorology , computer science
The Frisch‐Collins diffusion theory, developed to handle the case of a plurality of competing traps in the diffusion field, is used to calculate the time dependence of the fluorescence both from host crystal and impurity trap in a doped organic solid. Satisfactory agreement is found between experiment and theory indicating that a theory of exciton diffusion can account for the excitation energy transfer in an organic crystal.
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