| Description |
1 online resource |
| Series |
International series of monographs on physics ; 142 |
|
International series of monographs on physics (Oxford, England) ; 142.
|
| Contents |
1 Introduction; 2 Frenkel excitonic states in the Heitler-London approximation; 2.1 Excitons in a molecular crystal with fixed molecules. Splitting of molecular terms in a crystal; 2.2 Frenkel, Coulomb, and mechanical excitons; 2.3 Application of group theory for the determination of polarization and selection rules for excitonic light absorption. Degeneracy of excitonic levels; 2.3.1 Winston theory; 2.3.2 Applications to crystals of naphthalene type; 2.3.3 Symmetry properties of Coulomb excitons; 2.4 Triplet excitons; 3 The second-quantized theory of Frenkel excitons |
|
3.1 Energy operator for a molecular crystal with fixed molecules in the second-quantization representation. Paulions and Bosons3.2 Excitonic states in the two-level model. Transition to the Heitler-London approximation; 3.2.1 Crystals with one molecule per unit cell; 3.2.2 Crystals with several molecules per unit cell; 3.3 Exciton states beyond the Heitler-London approximation; 3.3.1 Small corrections to Heitler-London approximation; 3.4 Exciton states in the presence of several molecular states (mixing of molecular configurations); 3.4.1 One molecule per unit cell |
|
3.4.2 Several molecules per unit cell3.5 Perturbation theory. A comparison with results obtained in the Heitler-London approximation; 3.6 Sum rules for the oscillator strengths of excitonic transitions and the hypochromatic effect; 3.7 Exciton-phonon interaction; 3.8 Spectra and mobility of self-trapped (ST) excitons; 3.8.1 Mechanism of self-trapping of Frenkel excitons; 3.8.2 Spectra and transport of self-trapped excitons; 3.8.3 Self-trapping barrier; 3.8.4 Self-trapping of charge-transfer excitons; 3.8.5 Self-trapping in one-dimensional structures |
|
3.9 Electron-vibrational excited states in molecular crystals3.10 Calculation of the exciton states in molecular crystals; 3.10.1 Anthracene and naphthalene; 3.10.2 Tetracene and pentacene; 3.11 Exact transformation from paulions to bosons; 3.12 Kinematic biexcitons; 4 Polaritons: Excitonic States Taking Account Of Retardation; 4.1 The crystal energy operator in the presence of a retarded interaction; 4.2 Dispersion of polaritons and refraction index of electromagnetic waves; 4.2.1 Operators of electric and magnetic fields; 4.3 Polariton mechanism of exciton luminescence |
|
4.4 The dielectric tensor and the phenomenology of longwavelength excitons4.5 Giant radiative width of small wavevector polaritons in one- and two-dimensional structures ("polariton superradiance"); 4.6 Effective radiative lifetime; 4.7 Concluding remarks; 5 Dielectric theory of Frenkel excitons: local field effects; 5.1 Introduction: the local field method; 5.2 Dielectric tensor of cubic crystals; 5.3 Effects of impurities; 5.4 Dielectric tensor of organic anisotropic crystals; 5.5 Dielectric constant of mixed crystalline solutions and polarization of impurity absorption bands |
| Summary |
The work provides a detailed and uniform treatment of the science and technology of light absorbing organic materials (used in nano-scale optical devices, LEDs, solar cells, flat screens, cell phones etc), which are increasingly investigated for use in mass market products |
| Bibliography |
Includes bibliographical references (pages 455-483) and index |
| Subject |
Exciton theory.
|
|
Organic solid state chemistry.
|
|
Nanostructured materials.
|
|
Nanostructures
|
|
SCIENCE -- Physics -- Condensed Matter.
|
|
Exciton theory
|
|
Nanostructured materials
|
|
Organic solid state chemistry
|
| Form |
Electronic book
|
| ISBN |
9780199234417 |
|
0199234418 |
|
0191552917 |
|
9780191552915 |
|
