Dynamics of Molecular Excitons

Erscheinungsjahr 2020
ISBN: 978-0-08-102335-8
Verlag: Elsevier Science & Technology

Buch, Englisch, 242 Seiten, Format (B × H): 191 mm x 235 mm, Gewicht: 612 g

Dynamics of Molecular Excitons provides a comprehensive, but concise description of major theories on the dynamics of molecular excitons, intended to serve as a self-contained resource on the topic. Designed to help those new to this area gain proficiency in this field, experts will also find the book useful in developing a deeper understanding of the subject.

The starting point of the book is the standard microscopic definition of molecular Hamiltonians presented in commonly accepted modern quantum mechanical notations. Major assumptions and approximations involved in constructing Frenkel-type exciton Hamiltonians, which are well established, but are often hidden under arcane notations and approximations of old publications, are presented in detail. This will help quantum chemists understand the major assumptions involved in the definition of commonly used exciton models.

Rate theories of exciton dynamics, such as Förster and Dexter theories and their modern generalizations, are presented in a unified and detailed manner. In addition, important aspects that are often neglected, such as local field effect and the role of fluctuating environments, are discussed. Various quantum dynamics methods allowing coherent dynamics of excitons are presented in a systematic manner in the context of quantum master equations or path integral formalisms. The author also provides a detailed theoretical explanation for the major spectroscopic techniques probing exciton dynamics, including modern two-dimensional electronic spectroscopy, with a critical assessment of the implications of these spectroscopic measurements. Finally, the book includes a brief overview of major applications including an explanation of organic photovoltaic materials and natural light harvesting complexes.

Zielgruppe

<p>Materials scientists, engineers and physics scientists working in the areas of spectroscopy, exciton and photonics.</p>

Autoren/Hrsg.

Jang, Seogjoo (Professor of Chemistry

Jang, Seogjoo J.

Fachgebiete

• Technische Wissenschaften Technik Allgemein Nanotechnologie
• Technische Wissenschaften Maschinenbau | Werkstoffkunde Technische Mechanik | Werkstoffkunde Materialwissenschaft: Biomaterialien, Nanomaterialien, Kohlenstoff
• Naturwissenschaften Physik Quantenphysik

Inhaltsverzeichnis

- Introduction
- Microscopic derivation of Frenkel exciton-bath Hamiltonian
- Linear spectroscopy of molecular excitons
- Exciton transfer rates and hopping dynamics
- Quantum dynamics of molecular excitons
- Excitons and quantum light
- Time-resolved nonlinear spectroscopy of excitons
- Examples and applications
- Summary and outlook

Appendix A Useful mathematical identities and solutions

Über Autor(innen)

Jang, Seogjoo J.
Seogjoo Jang is Professor of Chemistry at Queens College, City University of New York, USA. His research focuses in the areas of Solar Energy Conversion, Computational Chemistry, Energy/Charge Transfer Processes and Spectroscopy