
Dynamics of Molecular Excitons
Description
Key Features
- Covers major theories of exciton dynamics in a consciously concise and easily readable way
- Bridges the gap between quantum dynamics working with phenomenological exciton Hamiltonian and quantum chemistry construct reliable models amenable for dynamics calculations from ab initio calculations
- Explores modern nonlinear electronic spectroscopy techniques to probe exciton dynamics, showing how it is applied
Readership
Materials scientists, engineers and physics scientists working in the areas of spectroscopy, exciton dynamics and photonics
Table of Contents
Chapter 1 Introduction
1.1 Motivation and objective
1.2 Frenkel and Wannier excitons
1.3 Disorder, fluctuations, and measure of delocalization
1.4 Utility and limitations of exciton modelsChapter 2 Microscopic derivation of Frenkel exciton-bath Hamiltonian
2.1 Aggregates of chromophores
2.2 Aggregates of chromophores embedded in host media
2.3 Summary and additional remarksChapter 3 Linear spectroscopy of molecular excitons
3.1 Absorption lineshape
3.2 Stimulated emission lineshape
3.3 Model calculations
3.4 Summary and additional remarksChapter 4 Exciton transfer rates and hopping dynamics
4.1 Transfer between two exciton states: Förster theory’s and its generalizations
4.2 Transfer between groups of exciton states
4.3 Master equation approaches and long range exciton hopping dynamics
4.4 Summary and additional remarksChapter 5 Quantum dynamics of molecular excitons
5.1 Projection operator formalism
5.2 Second order approximations
5.3 Fourth order approximations
5.4 Harmonic oscillator bath with linear coupling
5.5 Summary and additional remarksChapter 6 Excitons and quantum light
6.1 Interaction of materials with quantum light
6.2 Microscopic derivation of Förster’s spectral overlap expression
6.3 Polariton
6.4 Summary and additional remarksChapter 7 Time-resolved nonlinear spectroscopy of excitons
7.1 General assumption of material Hamiltonian
7.2 Two-pulse spectroscopy
7.3 Four wave mixing spectroscopy
7.4 Summary and additional remarksChapter 8 Examples and applications
8.1 Excitons in natural light harvesting complexes
8.2 Excitons for photovoltaic devices
8.3 Excitons for structural determination
8.4 Summary and additional remarksChapter 9 Summary and outlook
Appendix A Useful mathematical identities and solutions
A.1 Solution of eigenvalue problems for the simple Frenkel exciton models
A.2 Some identities for averages involving harmonic oscillator models
Product details
- No. of pages: 242
- Language: English
- Copyright: © Elsevier 2020
- Published: April 25, 2020
- Imprint: Elsevier
- eBook ISBN: 9780081023365
- Paperback ISBN: 9780081023358
About the Author
Seogjoo Jang
Affiliations and Expertise
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