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Author : E. Silinsh
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (985 download)
Download or read book Organic Molecular Crystals Their Molecular Crystals (Volume 16). written by E. Silinsh and published by . This book was released on 1980 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Edgar A. Silinsh
Publisher : Springer Science & Business Media
ISBN 13 : 3642814646
Total Pages : 404 pages
Book Rating : 4.6/5 (428 download)
Download or read book Organic Molecular Crystals written by Edgar A. Silinsh and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is based on the results of many years of experimental work by the author and his colleagues, dealing with the electronic properties of organic crystals. E. Silinsh has played a leading role in pOinting out the importance of the polarization energy by an excess carrier, in determining not only the character of the carrier mobility in organic crystals, but in determining the band gap and the nature of the all-important trapping site in these crystals. The one-electron model of electronic conductivity that has been so successful in dealing with inorganic semiconductors is singular ly unsuccessful in rationalizing the unusual physical properties of organic crystals. A many-body theory is required, and the experimental manifestation of this is the central role played by the crystal polarization enerqies in transferring the results obtained with the isolated molecule, to the solid. The careful studies of E. Silinsh in this field have shown tn detail how this polarization energy develops around the excess carrier (and also the hole-electron pair) sitting on a molecular site in the crystal. As with all insulators, trapping sites playa dominant role in reducing the magnitude of ~he current that can theoretically pass through the organic crystal. It is usually the case that these trapping sites are energetically distributed within the forbidden band of the crystal. For many years, an exponential distribution has shown itself to be useful and reasonably correct: However,' E.
Author : J. D. Wright
Publisher : Cambridge University Press
ISBN 13 : 9780521477307
Total Pages : 240 pages
Book Rating : 4.4/5 (773 download)
Download or read book Molecular Crystals written by J. D. Wright and published by Cambridge University Press. This book was released on 1995 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt: There has been an explosion of interest in the study of molecular crystals, and their applications in optics and electronics. This advanced 1994 textbook describes their chemical and physical structure, their optical and electronic properties and the reactions between neighbouring molecules in crystals. The author has taken into account research areas which have undergone extremely rapid development since the first edition was published in 1987. For instance, this edition features the applications of molecular materials in high-technology devices. There is also an additional chapter on C60 and organic non-linear optic materials. The level of treatment is aimed at first-year postgraduates or workers in industrial research laboratories wishing to gain insights into organic solid state materials. Molecular Crystals is also suitable for special topics in final year undergraduate courses in chemistry, physics and electronic engineering.
Author : E. Silin̦š
Publisher : American Institute of Physics
ISBN 13 :
Total Pages : 466 pages
Book Rating : 4.3/5 (91 download)
Download or read book Organic Molecular Crystals written by E. Silin̦š and published by American Institute of Physics. This book was released on 1994 with total page 466 pages. Available in PDF, EPUB and Kindle. Book excerpt: Market: Specialists, researchers, and students in solid-state physics, materials science, electronics, chemical physics, organic and physical chemistry, and molecular biophysics. This monograph focuses on the interaction processes of excitons and charge carriers with the local environment, including the polarization and localization phenomena and the formation of polaronic quasi- particles. Transport phenomena are discussed and directly correlated with interaction dynamics, which actually determine the time- and temperature-dependent transiton of charge carriers and excitons from a coherent to a diffusive mode of motion.
Author : SILINSH E. A.
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (134 download)
Download or read book Organic molecular crystals. their electronic states written by SILINSH E. A. and published by . This book was released on 1980 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : A Kitaigorodsky
Publisher : Elsevier
ISBN 13 : 0323145655
Total Pages : 571 pages
Book Rating : 4.3/5 (231 download)
Download or read book Molecular crystals and Molecules written by A Kitaigorodsky and published by Elsevier. This book was released on 2012-12-02 with total page 571 pages. Available in PDF, EPUB and Kindle. Book excerpt: Molecular Crystals and Molecules deals with some of the problems of molecular crystallography and certain aspects of molecular structure. This book is composed of eight chapters that specifically cover the significant progress of conformational research. The opening chapter describes the structure of crystals considering the close-packing principle, disorder elements, and binary systems. The next two chapters examine the calculation of crystal lattice energy and dynamics. These topics are followed by discussions on the molecular movement, structural, and thermodynamic aspects of crystals. The final chapters look into the parameters for conformational calculations of molecules, macromolecules, and biopolymers. This book will be of great value to physical chemists and researchers who are interested in crystal and molecular structure.
Author : P. Reineker
Publisher : Springer Science & Business Media
ISBN 13 : 3642821413
Total Pages : 292 pages
Book Rating : 4.6/5 (428 download)
Download or read book Organic Molecular Aggregates written by P. Reineker and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains the talks presented at the International Symposium on Electronic Excitations and Interaction Processes in Organic Molecular Aggre gates which was held at Schloss Elmau, Bavaria, Germany from June 5 to June 10, 1983. In the recent years the investigation of organic materials has developed rapidly and has led to the construction of materials with interesting proper ties. The discovery of highly conducting and superconducting organic materials is definitely one of the reasons for the enormous increase in research acti vity in this field. Interesting applications have been realized or seem pos sible, such as the application of organic materials in electrophotography. The conductivity of organic polymers may be varied within a large range by doping and such materials have been used to construct an organic battery. Some time ago it was suggested that organic glasses and polymers could be used as stor age materials in computer technology. With the development of preparation tech niques and modern methods of investigation, for example, high resolution and picosecond spectroscopy, a large amount of experimental data is available not only for the conducting materials but also for organic semiconductors and in sulators. With this rapid accumulation of experimental material the microscopic theoretical understanding could not keep pace.
Author : Norbert Karl
Publisher : Springer Science & Business Media
ISBN 13 : 3642762530
Total Pages : 169 pages
Book Rating : 4.6/5 (427 download)
Download or read book Organic Crystals I: Characterization written by Norbert Karl and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 169 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lattice defects of organic molecular crystals affect their optical or electrical properties by changing the local energy structure. Lattice defects also playa very important role in the chemical and physical properties, for example, as an active site of a catalyst or an initiating point of a solid state reaction. However, very little has been reported on the defect structure of real organic crystals. In the past ten years it became clear that the origin and the structure of the defects depend on the geometrical and chemical nature of the building units of the crystal, the molecules. Molecular size, form and anisotropy, charge distribution, etc. cause the characteristic structure of the defect. Accordingly, a defect structure found in one compound may not be found in others. The defect structure of an organic crystal cannot be defined solely by the displacement of the molecular center from the normal lattice site. A rotational displacement of a molecule is frequently accompanied by a parallel shift of the molecular center. In addition to the usual geometrical crystallographic defects, chemical defects are important too which originate, for example, from differences in the substitution sites of molecules carrying side groups. In order to reveal such defect structures, direct imaging of molecules by high resolution electron microscopy is the only direct method.
Author : Markus Schwoerer
Publisher : John Wiley & Sons
ISBN 13 : 352761866X
Total Pages : 438 pages
Book Rating : 4.5/5 (276 download)
Download or read book Organic Molecular Solids written by Markus Schwoerer and published by John Wiley & Sons. This book was released on 2008-09-26 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the first comprehensive textbook on the physical aspects of organic solids. All phenomena which are necessary in order to understand modern technical applications are being dealt with in a way which makes the concepts of the topics accessible for students. The chapters - from the basics, production and characterization of organic solids and layers to organic semiconductors, superconductors and opto-electronical applications - have been arranged in a logical and well thought-out order.
Author : W. Press
Publisher : Springer
ISBN 13 : 3540387994
Total Pages : 140 pages
Book Rating : 4.5/5 (43 download)
Download or read book Single-Particle Rotations in Molecular Crystals written by W. Press and published by Springer. This book was released on 2006-04-11 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher : Springer
ISBN 13 : 3540390685
Total Pages : 233 pages
Book Rating : 4.5/5 (43 download)
Download or read book Exciton Dynamics in Molecular Crystals and Aggregates written by and published by Springer. This book was released on 2006-04-11 with total page 233 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Atta-ur-Rahman
Publisher : Bentham Science Publishers
ISBN 13 : 981503927X
Total Pages : 376 pages
Book Rating : 4.8/5 (15 download)
Download or read book Advances in Organic Synthesis: Volume 16 written by Atta-ur-Rahman and published by Bentham Science Publishers. This book was released on 2022-03-10 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Organic Synthesis is a book series devoted to the latest advances in synthetic approaches towards challenging structures. The series presents comprehensive reviews written by eminent authorities on different synthetic approaches to selected target molecules and new methods developed to achieve specific synthetic transformations or optimal product yields. Advances in Organic Synthesis is essential for all organic chemists in academia and the industry who wish to keep abreast of rapid and important developments in the field. Contents of this volume include these 7 reviews: - Recent advances in copper-catalyzed heterocyclic syntheses - Application of modern green chemistry methods in the synthesis of quinolines, quinazolines and quinazolinones - Electroluminescence polymers-a review on synthesis by organic compounds - Multicomponent approach for the synthesis of xanthenes - From atoms to macromolecules: 100 years of polymer research - An overview of oxidizing and reducing agents in total synthesis - Amino acid-derived ionic liquids: novel biodegradable catalytic systems for green synthesis of heterocycles
Author : William Jones
Publisher : CRC Press
ISBN 13 : 9781420049343
Total Pages : 444 pages
Book Rating : 4.0/5 (493 download)
Download or read book Organic Molecular Solids written by William Jones and published by CRC Press. This book was released on 2019-09-17 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt: Interest in organic molecular solids extends to a range of fields including chemistry, physics, electrical engineering, and materials science. In chemistry, it applies to such topics as solid state reactivity, crystal engineering, theoretical approaches to crystal structure determination, and morphology control. In physics, electrical engineering, and materials science, the possibility of producing organic-based materials (such as crystals, polymers, thin films, or liquid crystals) with potential electronic, opto-electronic, and magnetic uses is a major area of current research interest throughout the world. Organic Molecular Solids examines the uses of organic-based materials over a wide range of applications and interests. Each chapter surveys a relevant topic, providing appropriate introductory background information and modern developments.
Author : A. Benninghoven
Publisher : Springer Science & Business Media
ISBN 13 : 3642871488
Total Pages : 279 pages
Book Rating : 4.6/5 (428 download)
Download or read book Ion Formation from Organic Solids written by A. Benninghoven and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 279 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Second International Conference on Ion Formation from Organic Solids (IFOS II) was held at the University of MUnster, Federal Republic of Germa ny, from September 7 to 9, 1982. The subject of the conference was the rapid ly developing field of ion formation from ~nvolatile, thermally labile organ ic compounds. Rapid progress has been made in this field in the last few years, mainly because of the discovery of unexpected new ionization proces ses such as sputtering and laser-induced desorption. The aim of the conference was twofold: to acquire a basic understanding of these "soft" ionization processes on the one hand, and to examine their present and future analytical applications on the other. ~Je sought to bring. together scientists working in fundamental as well as applied research. The participants represented such widely varied fields as pure and applied phys ics and chemistry, biochemistry, nuclear and solid-state physics, medicine, and pharmacology. These proceedings contain all of the papers presented at the conference. Six review papers cover the fundamentals of different ionization processes. The authors of these reviews were asked to give up-to-date surveys in cluding characteristics of spectra, the influence of excitation parameters, tentative models for ion formation processes, and assessments of their ana lytical applications. These reviews are followed by 26 contributed papers dealing with more specialized aspects of the ionization processes and their analytical applications.
Author : Hans Christoph Wolf
Publisher :
ISBN 13 :
Total Pages : 81 pages
Book Rating : 4.:/5 (72 download)
Download or read book The electronic Spectra of organic molecular crystals written by Hans Christoph Wolf and published by . This book was released on 1959 with total page 81 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : R.M. Metzger
Publisher : Springer Science & Business Media
ISBN 13 : 3642815774
Total Pages : 166 pages
Book Rating : 4.6/5 (428 download)
Download or read book Crystal Cohesion and Conformational Energies written by R.M. Metzger and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt: With the advent of X-ray diffraction and crystal structure determination in 1912 researchers in physics and chemistry began investigating the problem of crystal co hesion, i. e. , on the question of what holds crystals together. The names of M. Born, E. Madelung, P. P. Ewald, F. Bloch, E. P. Wigner, and J. E. Mayer are, in particular, associated with the pre-1940 work on the cohesion of inorganic lattices. The advent of digital computers brought along great advances in the detailed understanding of ionic crystals, molecular crystals, and metals. The work of P. O. Lowdin and r A. I. Kitaigorodosky are seminal i these more recent advances. This volume is a collection of specialist reports on a subset of the general problem of crystal cohesion. It is intended for researchers and advanced students in solid-state chemistry and physics, and biochemistry. WILLIAMS reports on the mole cule-independent empirical parameters for dispersion and repulsion that explain, and can predict, the cohesive energy of neutral organic lattices. MOMANY applies similar procedures to the conformational energy problem and shows how they can be used for the pharmacological problems of polypeptide drug design. METZGER uses quantum-mechanical molecule-dependent atom-in-molecule charges, dipole moments, and polarizabilities to study the cohesion of organic ionic (semiconducting) and par tially ionic (metallic) lattices. SILVERMAN emphasizes, with quantum-mechanical dimer calculations, the importance of dispersive interactions for the observed stacking modes in organic metallic lattices.
Author : Norbert Karl
Publisher : Springer Science & Business Media
ISBN 13 : 3642677649
Total Pages : 227 pages
Book Rating : 4.6/5 (426 download)
Download or read book Organic Crystals Germanates Semiconductors written by Norbert Karl and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 227 pages. Available in PDF, EPUB and Kindle. Book excerpt: 1.1 Preface Organic chemistry had its origin in chemicals which are synthesized by living cells. These chemicals consist of molecules whose skeletons are built up of carbon atoms. The remaining valences are connected with ligands such as hydrogen, halo gens, -OH,==O, -NH . Some of the skeletal carbon atoms can be replaced by non 2 metals such as oxygen, nitrogen, or sulfur {"heteroatoms"}. It is characteristic for the living world, not to be in a crystalline state. However it is possible to obtain single crystals from many organic compounds both of natural and synthetic origin. For a number of years the physics and chem istry of these crystals have stimulated fundamental research on a rapidly growing scale. The great variety of possible organic structures {as compared to inorganics} opens up a large field of new materials and of novel material properties; for previous literature reviews and data compilations see 1-40) and Chap. 6. The art of producing good and pure organic single crystals has developed hand in-hand with the ever growing requirements of basic research, arising from its interest in fundamental interactions in the solid state. Interactions manifest themselves in a very detailed way by energy transfer.
