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Author : Isadore B. Berlman
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (473 download)
Download or read book Energy Transfer Parameters of Aromatic Compounds written by Isadore B. Berlman and published by . This book was released on 1978 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Isadore Berlman
Publisher : Elsevier
ISBN 13 : 0323152570
Total Pages : 390 pages
Book Rating : 4.3/5 (231 download)
Download or read book Energy Transfer Parameters of Aromatic Compounds written by Isadore Berlman and published by Elsevier. This book was released on 2012-12-02 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt: Energy Transfer Parameters of Aromatic Compounds focuses on the mechanisms underlying intramolecular and intermolecular electronic energy transfer in aromatic compounds, with emphasis on dipole-dipole interactions. The compounds covered range from benzene and toluene to phenyl ether, aniline, phenol, styrene, indole, and dibenzofuran. This book is comprised of eight chapters and begins with an overview of the transfer of electronic energy in reactions in radiation, photochemistry, physics, and biology. A short historical sketch is also provided to give the reader a proper perspective of some of the concepts. Material diffusion or collisional transfer, energy migration, and solvent and host effects are explained, along with phenomenological processes such as singlet-singlet transfer and sensitized fluorescence. The discussion then turns to intermolecular and intramolecular electronic energy transfer, paying particular attention to radiation and radiationless transfer, conjugated and nonconjugated chromophores, and rare-earth chelates. Studies related to electronic energy transfer are also presented. The final chapter includes tables listing compounds in their numbered sequence. The spectroscopic data are taken on solutes that are soluble in cyclohexane. This monograph will be of interest to organic chemists and physicists.
Author : Berlman IB.
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (985 download)
Download or read book Energy Transfer Parameters of Aromatic Compounds written by Berlman IB. and published by . This book was released on 1973 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jacob Malkin
Publisher : CRC Press
ISBN 13 : 9780849368028
Total Pages : 446 pages
Book Rating : 4.3/5 (68 download)
Download or read book Photophysical and Photochemical Properties of Aromatic Compounds written by Jacob Malkin and published by CRC Press. This book was released on 1992-06-10 with total page 446 pages. Available in PDF, EPUB and Kindle. Book excerpt: Photophysical and Photochemical Properties of Aromatic Compounds is the first book to collect and classify all available quantitative data on the photochemistry and luminescence of aromatic compounds. Compounds are classified by both spectral-luminescent (e.g., extinction coefficients, energies and lifetimes of lower excited states) and photochemical properties. In addition, all of the quantum yields available have been collected. The variety of photochemical reactions of aromatics is examined based on eight types of elementary monomolecular and bimolecular photochemical processes. Aromatic compounds are grouped into eight categories, and the book analyzes the possibilities of occurrence of all types of elementary photoprocesses.
Author :
Publisher :
ISBN 13 :
Total Pages : 4 pages
Book Rating : 4.:/5 (727 download)
Download or read book Energy Transfer Properties and Mechanisms written by and published by . This book was released on 1992 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt: The overall objective of the research carried out under this program is to determine the principles of collisional energy transfer and use them in predictive models and theories. In order to accomplish this goal, energy transfer properties must be determined and then analyzed to discern the underlying principles involved. In this laboratory, the experimental determination of energy transfer parameters is based on techniques that use physical properties to monitor the amount of energy in excited molecules. These techniques differ from chemical methods, based on unimolecular reaction studies, which are susceptible to interferences from complex chemical mechanisms and other complications. The physical methods have their own weaknesses and limitations, however, and much of our effort has been directed toward gaining a better understanding of these deficiencies. Two physical techniques have been proved to be particularly useful: time-resolved infrared fluorescence and time-dependent thermal lensing. As described later, we will shortly begin work using resonance enhanced multiphoton ionization techniques to investigate energy transfer in bulbs and half collisions'' in free jets. We also have been completing some calculational efforts to model formation of polycyclic aromatic hydrocarbons in stellar atmospheres.
Author :
Publisher :
ISBN 13 :
Total Pages : 4 pages
Book Rating : 4.:/5 (727 download)
Download or read book Energy Transfer Properties and Mechanisms. Technical Progress Report written by and published by . This book was released on 1992 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt: The overall objective of the research carried out under this program is to determine the principles of collisional energy transfer and use them in predictive models and theories. In order to accomplish this goal, energy transfer properties must be determined and then analyzed to discern the underlying principles involved. In this laboratory, the experimental determination of energy transfer parameters is based on techniques that use physical properties to monitor the amount of energy in excited molecules. These techniques differ from chemical methods, based on unimolecular reaction studies, which are susceptible to interferences from complex chemical mechanisms and other complications. The physical methods have their own weaknesses and limitations, however, and much of our effort has been directed toward gaining a better understanding of these deficiencies. Two physical techniques have been proved to be particularly useful: time-resolved infrared fluorescence and time-dependent thermal lensing. As described later, we will shortly begin work using resonance enhanced multiphoton ionization techniques to investigate energy transfer in bulbs and ''half collisions'' in free jets. We also have been completing some calculational efforts to model formation of polycyclic aromatic hydrocarbons in stellar atmospheres.
Author : Ahmad Salim Saleh
Publisher :
ISBN 13 :
Total Pages : 120 pages
Book Rating : 4.:/5 (786 download)
Download or read book Energy Transfer in Mixed Molecular Crystals of Aromatic Hydrocarbons written by Ahmad Salim Saleh and published by . This book was released on 1963 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Hongjun Liu
Publisher :
ISBN 13 :
Total Pages : 304 pages
Book Rating : 4.3/5 (91 download)
Download or read book The Vibrational Energy Relaxation of Iodine-aromatic Hydrocarbon Charge-transfer Complexes written by Hongjun Liu and published by . This book was released on 1998 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Matthieu Hamel
Publisher : Springer Nature
ISBN 13 : 3030734889
Total Pages : 647 pages
Book Rating : 4.0/5 (37 download)
Download or read book Plastic Scintillators written by Matthieu Hamel and published by Springer Nature. This book was released on 2021-07-10 with total page 647 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book introduces the physics and chemistry of plastic scintillators (fluorescent polymers) that are able to emit light when exposed to ionizing radiation, discussing their chemical modification in the early 1950s and 1960s, as well as the renewed upsurge in interest in the 21st century. The book presents contributions from various researchers on broad aspects of plastic scintillators, from physics, chemistry, materials science and applications, covering topics such as the chemical nature of the polymer and/or the fluorophores, modification of the photophysical properties (decay time, emission wavelength) and loading of additives to make the material more sensitive to, e.g., fast neutrons, thermal neutrons or gamma rays. It also describes the benefits of recent technological advances for plastic scintillators, such as nanomaterials and quantum dots, which allow features that were previously not achievable with regular organic molecules or organometallics.
Author : K. Honda
Publisher : Elsevier
ISBN 13 : 0444598804
Total Pages : 553 pages
Book Rating : 4.4/5 (445 download)
Download or read book Photochemical Processes in Organized Molecular Systems written by K. Honda and published by Elsevier. This book was released on 2012-12-02 with total page 553 pages. Available in PDF, EPUB and Kindle. Book excerpt: Photochemical processes form the basis of life. Energy transfer through photons also underlies a wide range of phenomena ranging from the motion of atoms and molecules to the assembly of systems of molecules, such as polymers, Langmuir-Blodgett films and even liquid crystals. Photochemical Processes in Organized Molecular Systems provides an overview of recent photochemical investigations of systems of molecules. The book is divided into four parts: the first two deal with current progress on the understanding of photoinduced chemical processes, the third and fourth chapter deal with the photochemistry of organized molecular systems including polymers, micelles and liquid crystals. This book should be studied by all who want to know more about this promising field of photochemical research, and about the fascinating processes that light can bring about.
Author : National Library of Medicine (U.S.)
Publisher :
ISBN 13 :
Total Pages : 1242 pages
Book Rating : 4.3/5 (91 download)
Download or read book National Library of Medicine Current Catalog written by National Library of Medicine (U.S.) and published by . This book was released on 1974 with total page 1242 pages. Available in PDF, EPUB and Kindle. Book excerpt: First multi-year cumulation covers six years: 1965-70.
Author : Mitchell A. Winnik
Publisher : Springer Science & Business Media
ISBN 13 : 9400947267
Total Pages : 640 pages
Book Rating : 4.4/5 (9 download)
Download or read book Photophysical and Photochemical Tools in Polymer Science written by Mitchell A. Winnik and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 640 pages. Available in PDF, EPUB and Kindle. Book excerpt: In 1980 the New York Academy of Sciences sponsored a three-day conference on luminescence in biological and synthetic macromolecules. After that meeting, Professor Frans DeSchryver and I began to discuss the possibility of organizing a different kind of meeting, with time for both informal and in-depth discussions, to examine certain aspects of the application of fluorescence and phosphorescence spectroscopy to polymers. Our ideas developed through discussions with many others, particularly Professor Lucien Monnerie. By 1983, when we submitted our proposal to NATO for an Advanced Study Institute, the area had grown enormous ly. It is interesting in retrospect to look back on the points which emerged from these discussions as the basis around which the scientific program would be organized and the speakers chosen. We decided early on to focus on applications of these methods to provide information about polymer molecules and polymer systems: The topics would all relate to the conformation and dynamics of macromolecules, or to the morphology of polymer-containing systems. Another important decision was to expand the scope of the ASI to include certain photochemical techniques, parti cular ly laser flash pho to lys is. These appl icat ions were at the time quite new, but full of promise as important sources of information about polymers.
Author : R. Cundall
Publisher : Springer Science & Business Media
ISBN 13 : 1475716346
Total Pages : 767 pages
Book Rating : 4.4/5 (757 download)
Download or read book Time-Resolved Fluorescence Spectroscopy in Biochemistry and Biology written by R. Cundall and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 767 pages. Available in PDF, EPUB and Kindle. Book excerpt: At the time that the editors conceived the idea of trying to organize the meeting on which the contents of this volume are based and which became, in March 1980, a NATO Advanced Study Institute, the techniques of time-resolved fluorescence spectroscopy, in both the nanosecond and sub-nanosecond time-domains, might reasonably have been said to be coming of age, both in their execution and in the analysis and interpretation of the results obtained. These techniques, then as now, comprised mainly a number of pulse methods using laser, flash-lamp or, most recently, synchrotron radiation. In addition, significant developments in the more classical phase approach had also rendered that method popular, utilizing either modulation of an otherwise continuous source or, again recently, the ultra-rapid pulse rate attainable with a synchrotron source. In general terms, time-resolved fluorescence studies are capable, under appropriate conditions, of supplying direct kinetic information on both photophysics and various aspects of molecular, macromolecular and supramolecular structure and dynamics. The nanosecond and sub-nanosecond time-scales directly probed render these techniques particularly appropriate in studying relaxation and fluctuation processes in macromolecules, particularly biopolymers (e. g. proteins, nucleic acids), in supramolecular assemblies such as cell membranes, and in a variety of relatively simpler model systems.
Author : Minhaeng Cho
Publisher : World Scientific
ISBN 13 : 9814495131
Total Pages : 309 pages
Book Rating : 4.8/5 (144 download)
Download or read book Advances In Multi-photon Processes And Spectroscopy, Vol 12 written by Minhaeng Cho and published by World Scientific. This book was released on 1999-05-14 with total page 309 pages. Available in PDF, EPUB and Kindle. Book excerpt: In view of the rapid growth in both experimental and theoretical studies of multi-photon processes and multi-photon spectroscopy of atoms, ions and molecules in chemistry, physics, biology, materials science, etc., it is desirable to publish an advanced series containing review papers that can be read not only by active researchers in these areas, but also by those who are not experts but who intend to enter the field. The present series attempts to serve this purpose. Each review article is written in a self-contained manner by the experts in the area, so that the reader can grasp the knowledge without too much preparation.
Author : P Chen
Publisher : Taylor & Francis US
ISBN 13 : 9781855739284
Total Pages : 712 pages
Book Rating : 4.7/5 (392 download)
Download or read book Molecular Interfacial Phenomena of Polymers and Biopolymers written by P Chen and published by Taylor & Francis US. This book was released on 2005-07-22 with total page 712 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book combines three fundamental areas of interest to the science and engineering community, these being material science, nanotechnology and molecular engineering. Although there have been various results published in this field, there has yet to be a fully comprehensive review. This book covers key research on molecular mechanisms and thermodynamic behaviour of (bio)polymer surfaces and interfaces, from theoretical and experimental perspectives.
Author : Kendric C. Smith
Publisher : Springer Science & Business Media
ISBN 13 : 1468435515
Total Pages : 340 pages
Book Rating : 4.4/5 (684 download)
Download or read book Photochemical and Photobiological Reviews written by Kendric C. Smith and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt: The goals of the science of photobiology can be divided into four categories: to develop (I) ways to optimize the beneficial effects of light on man and his environment, (2) methods to protect organisms, including man, from the detrimental effects of light, (3) photochemical tools for use in studies of life processes, and (4) photochemical therapies in medicine. To achieve these goals will require the knowledgeable collaboration of biologists, chemists, engineers, mathematicians, physicians, and physicists; because photobiology is a truly multidisciplinary science. While a multidis ciplinary science is more intellectually demanding, it also has a greater potential for unexpected breakthroughs that can occur when data from several areas of science are integrated into new concepts for theoretical or practical use. Photochemical and Photobiological Reviews continues to provide in depth coverage of the many specialty areas of photobiology. It is hoped that these reviews will provide an important service to the younger scientists in the field and to senior scientists in related fields, because they provide a ready access to the recent literature in the field, and more importantly, they frequently offer a critical evaluation of the direction that the field is taking, or suggest a redirection when appropriate. Since it is important that this review series remain responsive to the needs of photochemists and photobiologists, the Editor would value com ments and suggestions from its readers.
Author : Jerrell D. Brenner
Publisher :
ISBN 13 :
Total Pages : 412 pages
Book Rating : 4.3/5 (91 download)
Download or read book Highly Vibrationally Excited Aromatic Molecules written by Jerrell D. Brenner and published by . This book was released on 1995 with total page 412 pages. Available in PDF, EPUB and Kindle. Book excerpt:
