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Energy Transport in Organic Phosphors

Energy Transport in Organic Phosphors Solid Physics Laboratory, Jadavpur University, Calcutta, India CONTENTS 1. Introduction..... (a) Photon Absorption and Reabsorption.... (b) Collision Process.... Electric Dipole-Dipole Interaction... Electric Dipole-Quadrupole Interaction... Exchange Effects and Other Forbidden Transitions.. Electric Dipole-Magnetic Dipole Inter- action .... Host Sensitization. (c) Exciton Migration.. (d) Electron and Hole Migration...... 2. Fluorescence Transfer in Organic Mixed Crystals (a) Exciton and Absorption. 3. Electronic States of Aromatic Crystals... (a) Benzene Crystal... (b) Naphthalene Crystal... (c) Anthracene Crystal.. (d) Naphthacene Crystal.. (e) Phenanthrene Crystal.. (f) Hexamethyl Benzene Crystal .. 4. Influence of Crystal Size on the Spectral Nature and Decay Time of Fluorescence .... .. 1006 5. Scintillation from Organic Crystals......... . 1008 6. Photoconductivity of Organic Crystals... 1010 7. Some New Results. 1015 8. Summary. 1016 9. Acknowledgments. 1016 1. INTRODUCTION T HE mechanism of energy transfer from one con- stituent to the other in solids, solutions, and gaseous mixtures has created considerable interest dur- ing recent years. Until very recently these discussions" 2 were confined mostly to the inorganic phosphors in general, and alkali halides in particular. Along with the inorganic atoms and molecules, more than a few experi- mental results on benzene and benzene derivatives are also reported in the literature.3-6 http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Reviews of Modern Physics American Physical Society (APS)

Energy Transport in Organic Phosphors

Reviews of Modern Physics , Volume 31 (4) – Oct 1, 1959
28 pages

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References (85)

Publisher
American Physical Society (APS)
Copyright
Copyright © 1959 The American Physical Society
ISSN
1539-0756
DOI
10.1103/RevModPhys.31.990
Publisher site
See Article on Publisher Site

Abstract

Solid Physics Laboratory, Jadavpur University, Calcutta, India CONTENTS 1. Introduction..... (a) Photon Absorption and Reabsorption.... (b) Collision Process.... Electric Dipole-Dipole Interaction... Electric Dipole-Quadrupole Interaction... Exchange Effects and Other Forbidden Transitions.. Electric Dipole-Magnetic Dipole Inter- action .... Host Sensitization. (c) Exciton Migration.. (d) Electron and Hole Migration...... 2. Fluorescence Transfer in Organic Mixed Crystals (a) Exciton and Absorption. 3. Electronic States of Aromatic Crystals... (a) Benzene Crystal... (b) Naphthalene Crystal... (c) Anthracene Crystal.. (d) Naphthacene Crystal.. (e) Phenanthrene Crystal.. (f) Hexamethyl Benzene Crystal .. 4. Influence of Crystal Size on the Spectral Nature and Decay Time of Fluorescence .... .. 1006 5. Scintillation from Organic Crystals......... . 1008 6. Photoconductivity of Organic Crystals... 1010 7. Some New Results. 1015 8. Summary. 1016 9. Acknowledgments. 1016 1. INTRODUCTION T HE mechanism of energy transfer from one con- stituent to the other in solids, solutions, and gaseous mixtures has created considerable interest dur- ing recent years. Until very recently these discussions" 2 were confined mostly to the inorganic phosphors in general, and alkali halides in particular. Along with the inorganic atoms and molecules, more than a few experi- mental results on benzene and benzene derivatives are also reported in the literature.3-6

Journal

Reviews of Modern PhysicsAmerican Physical Society (APS)

Published: Oct 1, 1959

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