Electron And Ion Transfer In Condensed Media: Theoretical Physics For Reaction Kinetics

Electron And Ion Transfer In Condensed Media: Theoretical Physics For Reaction Kinetics
Author: Alexei A Kornyshev
Publisher: World Scientific
Total Pages: 426
Release: 1997-07-15
Genre:
ISBN: 9814546666

An elementary act of charge transfer determines a variety of phenomena in physics, chemistry and biology. The study of charge transfer processes has developed together with general progress in theoretical physics and in fast high resolution spectroscopy, so that research deals now with a broad class of systems, materials and environmental conditions. The specific topics covered are: (1) the environment and reactant-environment interaction at bulk and interfaces; (2) the elementary act of electron and proton transfer; homogeneous and heterogeneous processes; (3) processes of ion and heavy group transfer; ion transport in complex systems; (4) artificially and naturally organized charge transfer in physics, chemistry and biology, technological applications (molecular electronics, sensors, modified electrodes, membrane transport).

Charge Transfer Processes in Condensed Media

Charge Transfer Processes in Condensed Media
Author: J. Ulstrup
Publisher: Springer Science & Business Media
Total Pages: 427
Release: 2012-12-06
Genre: Science
ISBN: 3642931162

Molecules in liquid and solid media are exposed to strong inter action forces from the surrounding medium. The formulation of a comprehensive theory of chemical processes in condensed media is consequently an elaborate task involving concepts from several areas of the natural sciences. Within the las~ two and a half decades very notable results towards the formulation of a 'unified' quantum mechanical theory of such processes have in fact been achieved, and by the variety of physical, chemical, and biological processes which can be suitably covered by this framework, the new theory represents an adequate alternative to the transition state theory. The present work has a two-fold purpose. Firstly, to provide a reasonably organized exposition of some basic aspects of these developments. This part emphasizes the fundamental similarities between chemical and other kinds of radiationless processes and includes the derivation of the most important rate expressions without resorting to involved mathematical techniques. The s- ond major purpose is to illustrate the 'unified' character of the rate theory by analysis of a considerable amount of expe- mental data from both 'conventional' kinetics and from such untraditional areas as low-temperature, strongly exothermic, and biological processes. Particular attention is here given to those systems for which a classical description is inadequate, and which provide a diagnostic distinction between several alternative theoretical approaches.

Energy Transfer Dynamics in Biomaterial Systems

Energy Transfer Dynamics in Biomaterial Systems
Author: Irene Burghardt
Publisher: Springer Science & Business Media
Total Pages: 476
Release: 2009-09-22
Genre: Science
ISBN: 3642023061

The role of quantum coherence in promoting the e ciency of the initial stages of photosynthesis is an open and intriguing question. Lee, Cheng, and Fleming, Science 316, 1462 (2007) The understanding and design of functional biomaterials is one of today’s grand challenge areas that has sparked an intense exchange between biology, materials sciences, electronics, and various other disciplines. Many new - velopments are underway in organic photovoltaics, molecular electronics, and biomimetic research involving, e. g. , arti cal light-harvesting systems inspired by photosynthesis, along with a host of other concepts and device applications. In fact, materials scientists may well be advised to take advantage of Nature’s 3. 8 billion year head-start in designing new materials for light-harvesting and electro-optical applications. Since many of these developments reach into the molecular domain, the - derstanding of nano-structured functional materials equally necessitates f- damental aspects of molecular physics, chemistry, and biology. The elementary energy and charge transfer processes bear much similarity to the molecular phenomena that have been revealed in unprecedented detail by ultrafast op- cal spectroscopies. Indeed, these spectroscopies, which were initially developed and applied for the study of small molecular species, have already evolved into an invaluable tool to monitor ultrafast dynamics in complex biological and materials systems. The molecular-level phenomena in question are often of intrinsically quantum mechanical character, and involve tunneling, non-Born- Oppenheimer e ects, and quantum-mechanical phase coherence.

Comprehensive Coordination Chemistry II

Comprehensive Coordination Chemistry II
Author: J. A. McCleverty
Publisher: Newnes
Total Pages: 11845
Release: 2003-12-03
Genre: Science
ISBN: 0080913164

Comprehensive Coordination Chemistry II (CCC II) is the sequel to what has become a classic in the field, Comprehensive Coordination Chemistry, published in 1987. CCC II builds on the first and surveys new developments authoritatively in over 200 newly comissioned chapters, with an emphasis on current trends in biology, materials science and other areas of contemporary scientific interest.

Electron Transfer Reactions

Electron Transfer Reactions
Author: R. D. Cannon
Publisher: Butterworth-Heinemann
Total Pages: 364
Release: 2016-07-29
Genre: Science
ISBN: 1483103293

Electron Transfer Reactions deals with the mechanisms of electron transfer reactions between metal ions in solution, as well as the electron exchange between atoms or molecules in either the gaseous or solid state. The book is divided into three parts. Part 1 covers the electron transfer between atoms and molecules in the gas state. Part 2 tackles the reaction paths of oxidation states and binuclear intermediates, as well as the mechanisms of electron transfer. Part 3 discusses the theories and models of the electron transfer process; theories and experiments involving bridged electron transfer; optical electron transfer; and electron transfer in the solid state. The text is recommended for chemists who would like to know more about the principles and mechanisms behind electron transfer reactions.

Electron Transfer

Electron Transfer
Author: Joshua Jortner
Publisher: John Wiley & Sons
Total Pages: 759
Release: 2009-09-09
Genre: Science
ISBN: 0470142189

an integrated approach to electron transfer phenomena This two-part stand-alone volume in the prestigious Advances in Chemical Physics series provides the most comprehensive overview of electron transfer science today. It draws on cutting-edge research from diverse areas of chemistry, physics, and biology-covering the most recent developments in the field, and pointing to important future trends. This initial volume includes: * A historical perspective spanning five decades * A review of concepts, problems, and ideas in current research * Electron transfer in isolated molecules and in clusters * General theory, including useful algorithms * Spectra and electron transfer kinetics in bridged compounds The second volume covers solvent control, ultrafast electron transfer and coherence effects, molecular electronics, electron transfer and chemistry, and biomolecules. Electron transfer science has seen tremendous progress in recent years. Technological innovations, most notably the advent of femtosecond lasers, now permit the real-time investigation of intramolecular and intermolecular electron transfer processes on a time scale of nuclear motion. New scientific information abounds, illuminating the processes of energy acquisition, storage, and disposal in large molecules, clusters, condensed phase, and biophysical systems. Electron Transfer: From Isolated Molecules to Biomolecules is the first book devoted to the exciting work being done in nonradiative electron transfer dynamics today. This two-part edited volume emphasizes the interdisciplinary nature of the field, bringing together the contributions of pioneers in chemistry, physics, and biology. Both theoretical and experimental topics are featured. The authors describe modern approaches to the exploration of different systems, including supersonic beam techniques, femtosecond laser spectroscopy, chemical syntheses, and methods in genetic and chemical engineering. They examine applications in such areas as supersonic jets, solvents, electrodes, semi- conductors, respiratory and enzymatic protein systems, photosynthesis, and more. They also relate electron transfer and radiationless transitions theory to pertinent physical phenomena, and provide a conceptual framework for the different processes. Complete with over two hundred illustrations, Part One reviews developments in the field since its inception fifty years ago, and discusses electron transfer phenomena in both isolated molecules and in clusters. It outlines the general theory, exploring areas of the control of kinetics, structure-function relationships, fluctuations, coherence, and coupling to solvents with complex spectral density in different types of electron transfer processes. Timely, comprehensive, and authoritative, Electron Transfer: From Isolated Molecules to Biomolecules is an essential resource for physical chemists, molecular physicists, and researchers working in nonradiative dynamics today.

From Non-Covalent Assemblies to Molecular Machines

From Non-Covalent Assemblies to Molecular Machines
Author: Jean-Pierre Sauvage
Publisher: John Wiley & Sons
Total Pages: 449
Release: 2011-07-18
Genre: Science
ISBN: 3527633030

Based on the Solvay conference, which gathers the leading scientists in the field, this monograph collects review articles from the six topics of the conference, while also including comments, discussions and debates obtained during the conference. The issues discussed at this landmark conference were: * Noncovalent Assemblies: Design and Synthesis * Template Synthesis of Catenanes and Rotaxanes * Molecular Machines Based on Catenanes and Rotaxanes * Molecular Machines Based on Non-Interlocking Molecules * Towards Molecular Logics and Artificial Photosynthesis * From Single Molecules to Practical Devices and the authors add their personal views on the future of each of their own research areas. Novel reading for organic, inorganic and polymer chemists, as well as materials scientists.