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Paramagnetic Properties And Spin Dynamics Of The Photo Excited Triplet State Of Pentacene In Mixed Organic Crystals By Electron Spin Echo Spectroscopy
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Book Synopsis Paramagnetic Properties and Spin Dynamics of the Photo-excited Triplet State of Pentacene in Mixed Organic Crystals by Electron Spin Echo Spectroscopy by : Jui-Lin Ong
Download or read book Paramagnetic Properties and Spin Dynamics of the Photo-excited Triplet State of Pentacene in Mixed Organic Crystals by Electron Spin Echo Spectroscopy written by Jui-Lin Ong and published by . This book was released on 1991 with total page 394 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis American Doctoral Dissertations by :
Download or read book American Doctoral Dissertations written by and published by . This book was released on 1991 with total page 724 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 1992-04 with total page 774 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Electron Spin Echoes of a Photoexcited Triplet by : David J. Sloop
Download or read book Electron Spin Echoes of a Photoexcited Triplet written by David J. Sloop and published by . This book was released on 1984 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :American Chemical Society. Committee on Professional Training Publisher : ISBN 13 :9780841227231 Total Pages :1700 pages Book Rating :4.2/5 (272 download)
Book Synopsis ACS Directory of Graduate Research 1993 by : American Chemical Society. Committee on Professional Training
Download or read book ACS Directory of Graduate Research 1993 written by American Chemical Society. Committee on Professional Training and published by . This book was released on 1993 with total page 1700 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Electron Spin Echo Studies of Photoexcited Triplet States of Polyacenes in Mixed Crystals by : Hsiang-Lin Yu
Download or read book Electron Spin Echo Studies of Photoexcited Triplet States of Polyacenes in Mixed Crystals written by Hsiang-Lin Yu and published by . This book was released on 1982 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Electron Spin Resonance of Paramagnetic Crystals by : L. Sorin
Download or read book Electron Spin Resonance of Paramagnetic Crystals written by L. Sorin and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors of this contribution to the literature of resonance spectroscopy in paramagnetic systems are primarily concerned with the properties of the rare earth ions and, as such, the formal derivation of crystal field theory is set out in a manner which reflects this dominant interest. The ions of the 3d transition group are perhaps given too cursory a treatment in Chapter Two for those students of RF spectroscopy who have a somewhat less rare-earth oriented interest in the subject. Since the exam ples cited in the text do include some 3d transition ions, it is perhaps worthwhile in a preface of this sort to extend the broad theoretical concepts and group characteriza tion of Chapter Two to cover, in a somewhat more detailed manner, the derivation of the spin-Hamiltonian for this case. In Chapter Two, mention is made of the fact that for the 4f rare earth ions the spin orbit coupling energy is in general large compared to the crystal field influence of the surrounding ligand matrix. In such a case, the quantum number J is a good quantum number for the rare earth ion in question and the crystal field effects are taken into account within 1M, states. In this formulation, which is pursued in detail in this book, the effects of spin-orbit coupling have been taken care of at the very outset by the d~"ining of the 1M, states.
Download or read book The Triplet State written by A. B. Zahlan and published by Cambridge University Press. This book was released on 1967-11-02 with total page 566 pages. Available in PDF, EPUB and Kindle. Book excerpt: This 1967 volume brought together knowledge concerning the triplet state and defined the problems in need of solution.
Book Synopsis Spin Coherence in Phosphorescent Triplet States by : Cornelis A. van' t Hof
Download or read book Spin Coherence in Phosphorescent Triplet States written by Cornelis A. van' t Hof and published by . This book was released on 1977 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Spin-Label Electron Paramagnetic Resonance Spectroscopy by : Derek Marsh
Download or read book Spin-Label Electron Paramagnetic Resonance Spectroscopy written by Derek Marsh and published by CRC Press. This book was released on 2019-12-09 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt: Spin-label electron paramagnetic resonance (EPR) spectroscopy is a versatile molecular probe method that finds wide application in molecular biophysics and structural biology. This book provides the first comprehensive summary of basic principles, spectroscopic properties, and use for studying biological membranes, protein folding, supramolecular structure, lipid-protein interactions, and dynamics. The contents begin with discussion of fundamental theory and practice, including static spectral parameters and conventional continuous-wave (CW) spectroscopy. The development then progresses, via nonlinear CW-EPR for slower motions, to the more demanding time-resolved pulse EPR, and includes an in-depth treatment of spin relaxation and spectral line shapes. Once the spectroscopic fundamentals are established, the final chapters acquire a more applied character. Extensive appendices at the end of the book provide detailed summaries of key concepts in magnetic resonance and chemical physics for the student reader and experienced practitioner alike. Key Features: Indispensable reference source for the understanding and interpretation of spin-label spectroscopic data in its different aspects. Tables of fundamental spectral parameters are included throughout. Forms the basis for an EPR graduate course, extending up to a thorough coverage of advanced topics in Specialist Appendices. Includes all necessary theoretical background. The primary audience is research workers in the fields of molecular biophysics, structural biology, biophysical chemistry, physical biochemistry and molecular biomedicine. Also, physical chemists, polymer physicists, and liquid-crystal researchers will benefit from this book, although illustrative examples used are often taken from the biomolecular field. Readers will be postgraduate researchers and above, but include those from other disciplines who seek to understand the primary spin-label EPR literature.
Book Synopsis Electron Spin Resonance by : Philip Henri Rieger
Download or read book Electron Spin Resonance written by Philip Henri Rieger and published by Royal Society of Chemistry. This book was released on 2007 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes in mathematical terms the extraction of useful information from ESR spectra as applied to paramagnetic organic, inorganic and organometalic molecules. It lays a firm groundwork for understanding more sophisticated experiments, which the availability of newer commercial instruments has made possible. It takes the reader step by step through obtaining and interpretating ESR spectra of paramagnetic molecules. The mathematical basis of each observed phenomena are detailed and examples given. In particular there is a detailed discussion of 2nd order pertubation theory treatment of the Spin Hamiltonian for non-coincident G and A axes.
Book Synopsis Electron Spin Resonance of Paramagnetic Crystals by : Leonid Aleksandrovich Sorin
Download or read book Electron Spin Resonance of Paramagnetic Crystals written by Leonid Aleksandrovich Sorin and published by Springer. This book was released on 1973-06 with total page 278 pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors of this contribution to the literature of resonance spectroscopy in paramagnetic systems are primarily concerned with the properties of the rare earth ions and, as such, the formal derivation of crystal field theory is set out in a manner which reflects this dominant interest. The ions of the 3d transition group are perhaps given too cursory a treatment in Chapter Two for those students of RF spectroscopy who have a somewhat less rare-earth oriented interest in the subject. Since the exam ples cited in the text do include some 3d transition ions, it is perhaps worthwhile in a preface of this sort to extend the broad theoretical concepts and group characteriza tion of Chapter Two to cover, in a somewhat more detailed manner, the derivation of the spin-Hamiltonian for this case. In Chapter Two, mention is made of the fact that for the 4f rare earth ions the spin orbit coupling energy is in general large compared to the crystal field influence of the surrounding ligand matrix. In such a case, the quantum number J is a good quantum number for the rare earth ion in question and the crystal field effects are taken into account within 1M, states. In this formulation, which is pursued in detail in this book, the effects of spin-orbit coupling have been taken care of at the very outset by the d~"ining of the 1M, states.
Book Synopsis Delocalisation of Photoexcited Triplet States Probed by Transient EPR and Hyperfine Spectroscopy by : Sabine Richert
Download or read book Delocalisation of Photoexcited Triplet States Probed by Transient EPR and Hyperfine Spectroscopy written by Sabine Richert and published by . This book was released on 2017 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: Photoexcited triplet states play a crucial role in photochemical mechanisms: long known to be of paramount importance in the study of photosynthetic reaction centres, they have more recently also been shown to play a major role in a number of applications in the field of molecular electronics. Their characterisation is crucial for an improved understanding of these processes with a particular focus on the determination of the spatial distribution of the triplet state wavefunction providing information on charge and energy transfer efficiencies. Currently, active research in this field is mostly focussed on the investigation of materials for organic photovoltaics (OPVs) and organic light emitting diodes (OLEDs). As the properties of triplet states and their spatial extent are known to have a major impact on device performance, a detailed understanding of the factors governing triplet state delocalisation is at the basis of the further development and improvement of these devices. Electron Paramagnetic Resonance (EPR) has proven a valuable tool in the study of triplet state properties and both experimental methods as well as data analysis and interpretation techniques have continuously improved over the last few decades. In this review, we discuss the theoretical and practical aspects of the investigation of triplet states and triplet state delocalisation by transient continuous wave and pulse EPR and highlight the advantages and limitations of the presently available techniques and the current trends in the field. Application of EPR in the study of triplet state delocalisation is illustrated on the example of linear multi-porphyrin chains designed as molecular wires. Highlights: • Analysis of triplet state properties provides insight into photochemical mechanisms. • Triplet state delocalisation can be inferred from ZFS and hyperfine interactions. • Reliable interpretation of ZFS requires knowledge of the D-tensor orientation. • Triplet ENDOR and ESEEM are crucial tools for determining spin delocalisation
Book Synopsis Directory of Graduate Research by : American Chemical Society. Committee on Professional Training
Download or read book Directory of Graduate Research written by American Chemical Society. Committee on Professional Training and published by . This book was released on 1983 with total page 1294 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Quantitative EPR by : Gareth R. Eaton
Download or read book Quantitative EPR written by Gareth R. Eaton and published by Springer Science & Business Media. This book was released on 2010-04-10 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: There is a growing need in both industrial and academic research to obtain accurate quantitative results from continuous wave (CW) electron paramagnetic resonance (EPR) experiments. This book describes various sample-related, instrument-related and software-related aspects of obtaining quantitative results from EPR expe- ments. Some speci?c items to be discussed include: selection of a reference standard, resonator considerations (Q, B ,B ), power saturation, sample position- 1 m ing, and ?nally, the blending of all the factors together to provide a calculation model for obtaining an accurate spin concentration of a sample. This book might, at ?rst glance, appear to be a step back from some of the more advanced pulsed methods discussed in recent EPR texts, but actually quantitative “routine CW EPR” is a challenging technique, and requires a thorough understa- ing of the spectrometer and the spin system. Quantitation of CW EPR can be subdivided into two main categories: (1) intensity and (2) magnetic ?eld/mic- wave frequency measurement. Intensity is important for spin counting. Both re- tive intensity quantitation of EPR samples and their absolute spin concentration of samples are often of interest. This information is important for kinetics, mechanism elucidation, and commercial applications where EPR serves as a detection system for free radicals produced in an industrial process. It is also important for the study of magnetic properties. Magnetic ?eld/microwave frequency is important for g and nuclear hyper?ne coupling measurements that re?ect the electronic structure of the radicals or metal ions.
Book Synopsis Electron Paramagnetic Resonance Study of Triplet Exciton Dynamics in Organic Molecular Crystals by : William Edward Bizzaro
Download or read book Electron Paramagnetic Resonance Study of Triplet Exciton Dynamics in Organic Molecular Crystals written by William Edward Bizzaro and published by . This book was released on 1978 with total page 406 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Single Molecule Spectroscopy by : R. Rigler
Download or read book Single Molecule Spectroscopy written by R. Rigler and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 375 pages. Available in PDF, EPUB and Kindle. Book excerpt: The topics range from single molecule experiments in quantum optics and solid-state physics to analogous investigations in physical chemistry and biophysics.
