Cavity quantum electrodynamic effects and control of radiative rate of 9-amino acridine hydrochloride hydrate

Morphology dependent resonances (MDR) are observed in the fluorescence spectra of 9-amino acridine hydrochloride hydrate (9AAHH) in polymer spherical microparticles. Decrease in the fluorescence lifetime as a function of the size of the microparticle indicates the enhancement of the radiative rate....

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Bibliographic Details
Published in:Chemical physics letters 2003-04, Vol.371 (3), p.327-332
Main Authors: Sandeep, P, Bisht, Prem B
Format: Article
Language:English
Subjects:
Atomic and molecular physics
Exact sciences and technology
Fluorescence and phosphorescence spectra
Fluorescence and phosphorescence
radiationless transitions, quenching (intersystem crossing, internal conversion)
Molecular properties and interactions with photons
Physics
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Summary:Morphology dependent resonances (MDR) are observed in the fluorescence spectra of 9-amino acridine hydrochloride hydrate (9AAHH) in polymer spherical microparticles. Decrease in the fluorescence lifetime as a function of the size of the microparticle indicates the enhancement of the radiative rate. The results have been explained on the basis of cavity quantum electrodynamic (QED) effects. It is shown here that the appearance of MDR and the enhancement of the radiative rate are controlled by the size and the shape of the microparticle.
ISSN:0009-2614
1873-4448
DOI:10.1016/S0009-2614(03)00291-4