Theory Of Molecular Excitons
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Theory Of Molecular Excitons
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Author : A. Davydov
language : en
Publisher: Springer
Release Date : 2013-11-11
Theory Of Molecular Excitons written by A. Davydov and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-11-11 with Science categories.
Dynamics Of Molecular Excitons
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Author : Seogjoo J. Jang
language : en
Publisher: Elsevier
Release Date : 2020-05-13
Dynamics Of Molecular Excitons written by Seogjoo J. Jang and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-05-13 with Science categories.
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. 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
Excitons Magnons And Phonons In Molecular Crystals
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Author : A. B. Zahlan
language : en
Publisher: CUP Archive
Release Date : 1968-11-02
Excitons Magnons And Phonons In Molecular Crystals written by A. B. Zahlan and has been published by CUP Archive this book supported file pdf, txt, epub, kindle and other format this book has been release on 1968-11-02 with Science categories.
Dynamics Of Molecular Excitons
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Author : Seogjoo J. Jang
language : en
Publisher: Elsevier
Release Date : 2020-04-25
Dynamics Of Molecular Excitons written by Seogjoo J. Jang and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-04-25 with Science categories.
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. 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
Photosynthetic Excitons
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Author : Herbert van Amerongen
language : en
Publisher: World Scientific
Release Date : 2000
Photosynthetic Excitons written by Herbert van Amerongen and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Science categories.
Excitons are considered as the basic concept used by describing the spectral properties of photosynthetic pigment-protein complexes and excitation dynamics in photosynthetic light-harvesting antenna and reaction centers. Following the recently obtained structures of a variety of photosynthetic pigment-protein complexes from plants and bacteria our interest in understanding the relation between structure, function and spectroscopy has strongly increased. These data demonstrate a short interpigment distance (of the order of 1 nm or even smaller) and/or a highly symmetric (ring-like) arrangement of pigment molecules in peripheral light-harvesting complexes of photosynthetic bacteria. Books which were devoted to the exciton problem so far mainly considered the spectral properties of molecular crystals. However, the small size of these pigment aggregates in the pigment-protein complexes as well as the role of the protein, which is responsible for the structural arrangement of the complex, clearly will have a dramatic influence on the pigment spectra and exciton dynamics. All these aspects of the problem are considered in this book. Exciton theory is mainly considered for small molecular aggregates (dimers, ring-like structures etc.). Together with the theoretical description of the classical conceptual approach, which mainly deals with polarization properties of the absorption and fluorescence spectra, the nonlinear femtosecond spectroscopy which is widely used for investigations now is also discussed. A large part of the book demonstrates the excitonic effects in a multitude of photosynthetic pigment-protein complexes and how we can understand these properties on the basis of the exciton concept.
Excitation Energy Transfer Processes In Condensed Matter
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Author : Jai Singh
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-11-11
Excitation Energy Transfer Processes In Condensed Matter written by Jai Singh and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-11-11 with Science categories.
Applying a unified quantum approach, contributors offer fresh insights into the theoretical developments in the excitation energy transfer processes in condensed matter. This comprehensive volume examines Frenkel and Wannier excitonic processes; rates of excitonic processes; theory of laser sputter and polymer ablation; and polarons, excitonic polarons and self-trapping.
Spectroscopy Of The Excited State
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Author : Baldassare Di Bartolo
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Spectroscopy Of The Excited State written by Baldassare Di Bartolo and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
These proceedings report the lectures and seminars presented at the NATO Advanced Study Institute on "The Spectroscopy of the Excited State," held at Erice, Italy, June 9-24, 1975. This Institute was an activity of the International School of Atomic and Molecular Spectroscopy of the "Ettore Majorana" Centre for Scientific Culture. The Institute consisted of a series of lectures on the spectroscopic properties of materials in excited electronic states, that, starting at a fundamental level, finally reached the current level of research. The sequence of lectures and the organization of the material taught were in keeping with a didac tical presentation. In essence the course had the two-fold pur pose of organizing what was known on the subject, and updating the knowledge in the field. The formal lectures were complemented by seminars whose abstracts are also included in these proceedings. The proceedings report also the contributions sent by Professors R.G.W. Norrish and S. C1aesson who, unfortunately, were not able to come because of illness. A total of 62 participants and 7 lecturers came from the following countries: Belgium, Canada, Czechoslovakia, France, Germany, Israel, Italy, Japan, Netherlands, Norway, Pakistan, Poland, Sweden, Switzerland, the United Kingdom, the United States and Venezuela. The secretaries of the course were: A. La Francesca for the administrative aspects of the meeting and P.Papagiannakopou10s for the scientific aspects of the meeting.
Exciton Dynamics In Molecular Crystals And Aggregates
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Author :
language : en
Publisher: Springer
Release Date : 2006-04-11
Exciton Dynamics In Molecular Crystals And Aggregates written by and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-04-11 with Science categories.
Primary Photoexcitations In Conjugated Polymers
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Author : Niyazi Serdar Sariciftci
language : en
Publisher: World Scientific Publishing Company Incorporated
Release Date : 1997-01-01
Primary Photoexcitations In Conjugated Polymers written by Niyazi Serdar Sariciftci and has been published by World Scientific Publishing Company Incorporated this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997-01-01 with Science categories.
Primary Photoexcitations In Conjugated Polymers Molecular Exciton Versus Semiconductor Band Model
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Author : Niyasi Serdar Sariciftci
language : en
Publisher: World Scientific
Release Date : 1998-01-02
Primary Photoexcitations In Conjugated Polymers Molecular Exciton Versus Semiconductor Band Model written by Niyasi Serdar Sariciftci and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998-01-02 with Science categories.
This volume concentrates on the controversy within the scientific community over how to explain, understand and describe the photophysics/photochemistry of this class of materials. This controvery is of such a fundamental nature that the solution of the problem might be in a unification of the semiconductor and metal physics with the molecular quantum chemistry. Thus, a wide-ranging and comprehensive discussion of this very crucial issue has not been written down yet. This volume brings together the most prominent scientists specializing in this controversial topic. Each contributor addresses the opponents' arguments. After short introductory chapters, the contributors discuss their own speciality area and compare the results with both models and explain their position on why one of the models is more appropriate. Special emphasis is given to comparative discussions with other conjugated molecular systems as well as inorganic semiconductors. Contents:Correlations in Conjugated Polymers (Z G Soos et al.)Nature of the Primary Photo-Excitations in Poly(Arylene-Vinylenes): Bound Neutral Excitons or Charged Polaron Pairs (A J Heeger)Excitons in Conjugated Polymers (H Bässler)Intramolecular Excitons and Intermolecular Polaron Pairs as Primary Photoexcitations in Conjugated Polymers (E Conwell)Excitonic Effects in the Linear and Nonlinear Optical Properties of Conjugated Polymers (S Abe)Bound Polaron Pair Formation in Poly(Phenylenevinylenes) (L Rothberg)Luminescence Efficiency and Time-Dependence: Insights into the Nature of the Emitting Species in Conjugated Polymers (I D W Samuel et al.)Mechanism of Carrier Generation in the Class of Low Mobility Materials: Transient Photoconductivity and Photoluminescence at High Electric Fields (D Moses)Photoluminescence Spectroscopy as a Probe for Disorder and Excitonic Effects in Organic and Inorganic Semiconductors (U Lemmer & E O Göbel)Spectroscopy on Conjugated Polymer Devices (V Dyakonov)Spin-Dependent Recombination Processes in π-Conjugated Polymers (P A Lane et al.)Electroabsorption Spectroscopy on π-Conjugated Polymers (G Weiser & Á Horváth)The Role of Excitons in Charge Carrier Production in Polysilanes (R G Kepler & Z G Soos)Theory of Excitons and Biexcitons in π-Conjugated Polymers (S Mazumdar & M Chandross)Ultrafast Relaxation in Conjugated Polymers (T Kobayashi)Are Bipolarons Photogenerated in PPV? (E Conwell)Do Bipolarons Exist in Doped or Photoirradiated Conjugated Polymers? — An Analysis Based on Studies of Model Compounds (Y Furukawa)Photoexcitations in Conjugated Oligomers (R A J Janssen)Excited States in Poly(Paraphenylenevinylene) and Related Oligomers: Theoretical Investigation of Their Relation to Electrical and Optical Properties (D Beljonne et al.)Ultrafast Photoinduced Absorption in Nondegenerate Ground-State Conjugated Polymers: Signatures of Excited States (D W McBranch & M B Sinclair) Readership: Researchers and graduate students in the field of physics and chemistry of conjugated, conducting polymers and physical chemistry. keywords: