Structural, Spectroscopic, and Kinetic Investigation of Modified Photochromic Ruthenium Sulfoxide Complexes

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ISBN 13 :
Total Pages : 267 pages
Book Rating : 4.:/5 (114 download)

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Book Synopsis Structural, Spectroscopic, and Kinetic Investigation of Modified Photochromic Ruthenium Sulfoxide Complexes by : Jason Patrick Malizia

Download or read book Structural, Spectroscopic, and Kinetic Investigation of Modified Photochromic Ruthenium Sulfoxide Complexes written by Jason Patrick Malizia and published by . This book was released on 2014 with total page 267 pages. Available in PDF, EPUB and Kindle. Book excerpt: The complexes [Ru(bpy)2(bpSOp)](PF6)2 (bpSOp = 1,3-bis(phenylsulfinyl)propane), [Ru(bpy)2(bpSOb)](PF6)2 (bpSOb = 1,4-bis(phenylsulfinyl)butane), [Ru(bpy)2(PhSOEtSPh)](PF6)2 (PhSOEtSPh = 2-(phenylsulfinyl)ethylsulfanylbenzene), and [Ru(bpy)2(PhSOEtSePh)](PF6)2 (PhSOEtSePh = 2-(phenylsulfinyl)ethylselenobenzene) were synthesized and investigated by a number of techniques. The structure of these complexes were characterized by 1D and 2D NMR along with X-ray crystallography. Electrochemical measurements were performed on monosulfoxide metal complexes and S to O linkage isomerization was found to occur after oxidation of ruthenium(II) to ruthenium(III). MLCT irradiation of the complexes in solution in conjunction with electronic absorption measurements have shown that the monosulfoxide complexes undergo S to O linkage isomerization and the bissulfoxide complexes undergo SS to SO and SS to OO isomerization upon absorption of a single photon. It has been shown that small or simple modifications to the sulfoxide chelate in polypyridyl ruthenium sulfoxides lead to dramatic changes in the ground and excited state dynamics and kinetics of these complexes. Specifically, increasing the size of the chelating ring of a bidentate sulfoxide ligand through the insertion of a methylene group has been shown to increase the efficacy and speed of isomerization while the chemical nature of the 2nd donor atom in a bidentate sulfoxide ligand plays a pivotal role in the observed photophysics and photochemistry of these complexes.

Structural Characterization and Spectroscopic Investigation of Isomerization Dynamics in Photochromic Polypyridyl Ruthenium(II) Chelating Mono- and Bis-sulfoxide Complexes

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Book Synopsis Structural Characterization and Spectroscopic Investigation of Isomerization Dynamics in Photochromic Polypyridyl Ruthenium(II) Chelating Mono- and Bis-sulfoxide Complexes by :

Download or read book Structural Characterization and Spectroscopic Investigation of Isomerization Dynamics in Photochromic Polypyridyl Ruthenium(II) Chelating Mono- and Bis-sulfoxide Complexes written by and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Spectroscopic and Kinetic Characterization of Photochromic Ruthenium Chelating Sulfoxide Complexes

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Total Pages : pages
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Book Synopsis Spectroscopic and Kinetic Characterization of Photochromic Ruthenium Chelating Sulfoxide Complexes by : Beth Anne McClure

Download or read book Spectroscopic and Kinetic Characterization of Photochromic Ruthenium Chelating Sulfoxide Complexes written by Beth Anne McClure and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Synthesis and Spectroscopic Characterization of Photochromic Ruthenium and Osmium Chelating Sulfoxide Complexes

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Book Synopsis Synthesis and Spectroscopic Characterization of Photochromic Ruthenium and Osmium Chelating Sulfoxide Complexes by : Komal Garg

Download or read book Synthesis and Spectroscopic Characterization of Photochromic Ruthenium and Osmium Chelating Sulfoxide Complexes written by Komal Garg and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Photochromism: Molecules and Systems

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Publisher : Elsevier
ISBN 13 : 0080538835
Total Pages : 1221 pages
Book Rating : 4.0/5 (85 download)

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Book Synopsis Photochromism: Molecules and Systems by : Heinz Dürr

Download or read book Photochromism: Molecules and Systems written by Heinz Dürr and published by Elsevier. This book was released on 2003-03-12 with total page 1221 pages. Available in PDF, EPUB and Kindle. Book excerpt: Photochromism is simply defined as the light induced reversible change of colour. The field has developed rapidly during the past decade as a result of attempts to improve the established materials and to discover new devices for applications.As photochromism bridges molecular, supramolecular and solid state chemistry, as well as organic, inorganic and physical chemistry, such a treatment requires a multidisciplinary approach and a broad presentation. The first edition (1990) provided an enormous amount of new concepts and data, such as the presentation of main families based on the pericyclic reaction mechanism, the review of new families, some bimolecular photocycloadditions and some promising systems. This new edition provides an efficient entry into this flourishing field, with the core content retained from the original work to provide a basic introduction into the different subjects. *Second edition of a work first published in 1990, now revised due to constant development of research. *Including updated lists of references (1989-2001), offering immediate access to recent developments.*Providing great basic interest and high application potential bringing scientists together from chemistry, physics and engineering.

Comprehensive Coordination Chemistry II

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Publisher : Newnes
ISBN 13 : 0080913164
Total Pages : 11845 pages
Book Rating : 4.0/5 (89 download)

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Book Synopsis Comprehensive Coordination Chemistry II by : J. A. McCleverty

Download or read book Comprehensive Coordination Chemistry II written by J. A. McCleverty and published by Newnes. This book was released on 2003-12-03 with total page 11845 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Anion Sensing

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Publisher : Springer Science & Business Media
ISBN 13 : 9783540232476
Total Pages : 252 pages
Book Rating : 4.2/5 (324 download)

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Book Synopsis Anion Sensing by : Eric V. Anslyn

Download or read book Anion Sensing written by Eric V. Anslyn and published by Springer Science & Business Media. This book was released on 2005-05-06 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt: with contributions by numerous experts

Chromic Phenomena 3rd Edition

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Publisher : Royal Society of Chemistry
ISBN 13 : 1782628150
Total Pages : 812 pages
Book Rating : 4.7/5 (826 download)

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Book Synopsis Chromic Phenomena 3rd Edition by : Peter Bamfield

Download or read book Chromic Phenomena 3rd Edition written by Peter Bamfield and published by Royal Society of Chemistry. This book was released on 2018-08-24 with total page 812 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chromic or colour related phenomena are produced in response to a chemical or physical stimulus. This new edition will update the information on all those areas where chemicals or materials interact with light to produce colour, a colour change, or luminescence especially in the imaging, analysis, lighting and display areas. The book has been restructured to show greater emphasis on applications where 'coloured' compounds are used to transfer energy or manipulate light in some way therefore reducing the details on classical dyes and pigments. In the past eight years, since the previous edition, there has been a remarkable increase in the number of papers and reviews being produced reflecting the growth of interest in this area. This ongoing research interest is matched by a large number of new technological applications gaining commercial value covering e.g. biomedical areas, energy, data storage, physical colour, bio-inspired materials and photonics. This book appeals to industrial chemists, professionals, postgraduates and as high level recommended reading for colour technology courses.

New Frontiers in Photochromism

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Publisher : Springer Science & Business Media
ISBN 13 : 4431542914
Total Pages : 298 pages
Book Rating : 4.4/5 (315 download)

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Book Synopsis New Frontiers in Photochromism by : Masahiro Irie

Download or read book New Frontiers in Photochromism written by Masahiro Irie and published by Springer Science & Business Media. This book was released on 2013-05-27 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt: Photochromism is the reversible phototransformation of a chemical species between two forms having different absorption spectra. During the phototransformation not only the absorption spectra but also various physicochemical properties change, such as the refractive index, dielectric constant, oxidation/reduction potential, and geometrical structure. The property changes can be applied to photonic equipment such as erasable memory media, photo-optical switch components, and display devices. This book compiles the accomplishments of the research project titled “New Frontiers in Photochromism” supported by the Ministry of Education, Culture, Sports, Science and Technology of Japan. The project focused not only on the above-mentioned classical subjects in photochromism, such as color changes, optical memory, and optical switches, but also on fundamental physicochemical studies and unprecedented application fields that have not yet been explored in photochromism. The latter topics include light-driven mechanical motion, photocontrol of surface wettability, metal deposition on solid materials, photocontrol of chiral properties, ultrafast decoloration dyes, and femtosecond laser experiments, among others.

200 and More NMR Experiments

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Publisher : John Wiley & Sons
ISBN 13 : 3527310673
Total Pages : 868 pages
Book Rating : 4.5/5 (273 download)

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Book Synopsis 200 and More NMR Experiments by : Stefan Berger

Download or read book 200 and More NMR Experiments written by Stefan Berger and published by John Wiley & Sons. This book was released on 2004-07-02 with total page 868 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work-book will guide you safely, in step-by-step descriptions, through every detail of the NMR experiments within, beginning with 1D routine experiments and ending with a series of advanced 3D experiments on a protein: ? Which experiment can best yield the desired information? ? How must the chosen experiment be performed? ? How does one read the required information from the spectrum? ? How does this particular pulse sequence work? ? Which other experiments give similar information? This third edition of the book, following its two highly successful predecessors, has been revised and expanded to 206 experiments. They are organized in 15 chapters, covering test procedures and routine spectra, variable temperature measurements, the use of auxiliary reagents, 1D multipulse experiments, spectra of heteronuclides, and the application of selective pulses. The second and third dimensions are introduced using pulsed field gradients, and experiments on solid state materials are described. A key part describes 3D experiments on the protein ubiquitin with 76 amino acids. What is new in this third edition? 1. 24 new experiments have been inserted into the 14 chapters that were in the 2nd edition, e.g., alpha/beta-SELINCOR-TOCSY, WET, DOSY, ct-COSY, HMSC, HSQC with adiabatic pulses, HETLOC. J-resolved HMBC, (1,1)- and (1,n)-ADEQUATE, STD, REDOR, and HR-MAS. 2. 20 new protein NMR experiments have been specially devised and are collected in the newly added Chapter 15, ProteinNMR, for which one needs a special model sample: fully 13C- and 15N-labeled human ubiquitin. Techniques used include the constant time principle, the PEP method, filters, gradient selection, and the echo/anti-echo procedure. The guide has been written by experts in this field, following the principle of learning by doing: all the experiments have been specially performed for this book, exactly as described and shown in the spectra that are reproduced. Being a reference source and work-book for the NMR laboratory as well as a textbook, it is a must for every scientist working with NMR, as well as for students preparing for their laboratory courses

Synchrotron Light Sources and Free-Electron Lasers

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Publisher : Springer
ISBN 13 : 9783319143934
Total Pages : 0 pages
Book Rating : 4.1/5 (439 download)

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Book Synopsis Synchrotron Light Sources and Free-Electron Lasers by : Eberhard J. Jaeschke

Download or read book Synchrotron Light Sources and Free-Electron Lasers written by Eberhard J. Jaeschke and published by Springer. This book was released on 2016-05-27 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hardly any other discovery of the nineteenth century did have such an impact on science and technology as Wilhelm Conrad Röntgen’s seminal find of the X-rays. X-ray tubes soon made their way as excellent instruments for numerous applications in medicine, biology, materials science and testing, chemistry and public security. Developing new radiation sources with higher brilliance and much extended spectral range resulted in stunning developments like the electron synchrotron and electron storage ring and the freeelectron laser. This handbook highlights these developments in fifty chapters. The reader is given not only an inside view of exciting science areas but also of design concepts for the most advanced light sources. The theory of synchrotron radiation and of the freeelectron laser, design examples and the technology basis are presented. The handbook presents advanced concepts like seeding and harmonic generation, the booming field of Terahertz radiation sources and upcoming brilliant light sources driven by laser-plasma accelerators. The applications of the most advanced light sources and the advent of nanobeams and fully coherent x-rays allow experiments from which scientists in the past could not even dream. Examples are the diffraction with nanometer resolution, imaging with a full 3D reconstruction of the object from a diffraction pattern, measuring the disorder in liquids with high spatial and temporal resolution. The 20th century was dedicated to the development and improvement of synchrotron light sources with an ever ongoing increase of brilliance. With ultrahigh brilliance sources, the 21st century will be the century of x-ray lasers and their applications. Thus, we are already close to the dream of condensed matter and biophysics: imaging single (macro)molecules and measuring their dynamics on the femtosecond timescale to produce movies with atomic resolution.

Core Concepts in Supramolecular Chemistry and Nanochemistry

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Publisher : John Wiley & Sons
ISBN 13 : 9780470858707
Total Pages : 320 pages
Book Rating : 4.8/5 (587 download)

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Book Synopsis Core Concepts in Supramolecular Chemistry and Nanochemistry by : Jonathan W. Steed

Download or read book Core Concepts in Supramolecular Chemistry and Nanochemistry written by Jonathan W. Steed and published by John Wiley & Sons. This book was released on 2007-04-30 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: Supramolecular chemistry and nanochemistry are two strongly interrelated cutting edge frontiers in research in the chemical sciences. The results of recent work in the area are now an increasing part of modern degree courses and hugely important to researchers. Core Concepts in Supramolecular Chemistry and Nanochemistry clearly outlines the fundamentals that underlie supramolecular chemistry and nanochemistry and takes an umbrella view of the whole area. This concise textbook traces the fascinating modern practice of the chemistry of the non-covalent bond from its fundamental origins through to it expression in the emergence of nanochemistry. Fusing synthetic materials and supramolecular chemistry with crystal engineering and the emerging principles of nanotechnology, the book is an ideal introduction to current chemical thought for researchers and a superb resource for students entering these exciting areas for the first time. The book builds from first principles rather than adopting a review style and includes key references to guide the reader through influential work. supplementary website featuring powerpoint slides of the figures in the book further references in each chapter builds from first principles rather than adopting a review style includes chapter on nanochemistry clear diagrams to highlight basic principles

Molecular Materials

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Publisher : John Wiley & Sons
ISBN 13 : 1119972957
Total Pages : 455 pages
Book Rating : 4.1/5 (199 download)

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Book Synopsis Molecular Materials by : Duncan W. Bruce

Download or read book Molecular Materials written by Duncan W. Bruce and published by John Wiley & Sons. This book was released on 2011-04-04 with total page 455 pages. Available in PDF, EPUB and Kindle. Book excerpt: “... the book does an excellent job of putting together several different classes of materials. Many common points emerge, and the book may facilitate the development of hybrids in which the qualities of the “parents” are enhanced.” –Angew. Chem. Int. Ed. 2011 With applications in optoelectronics and photonics, quantum information processing, nanotechnology and data storage, molecular materials enrich our daily lives in countless ways. These materials have properties that depend on their exact structure, the degree of order in the way the molecules are aligned and their crystalline nature. Small, delicate changes in molecular structure can totally alter the properties of the material in bulk. There has been increasing emphasis on functional metal complexes that demonstrate a wide range of physical phenomena. Molecular Materials represents the diversity of the area, encapsulating magnetic, optical and electrical properties, with chapters on: Metal-Based Quadratic Nonlinear Optical Materials Physical Properties of Metallomesogens Molecular Magnetic Materials Molecular Inorganic Conductors and Superconductors Molecular Nanomagnets Structured to include a clear introduction, a discussion of the basic concepts and up-to-date coverage of key aspects, each chapter provides a detailed review which conveys the excitement of work in that field. Additional volumes in the Inorganic Materials Series: Low-Dimensional Solids | Molecular Materials | Porous Materials | Energy Materials

Organic Photochromic and Thermochromic Compounds

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Publisher : Springer Science & Business Media
ISBN 13 : 0306469111
Total Pages : 397 pages
Book Rating : 4.3/5 (64 download)

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Book Synopsis Organic Photochromic and Thermochromic Compounds by : John C. Crano

Download or read book Organic Photochromic and Thermochromic Compounds written by John C. Crano and published by Springer Science & Business Media. This book was released on 2006-04-11 with total page 397 pages. Available in PDF, EPUB and Kindle. Book excerpt: This major treatise on photochromism involving organic molecules and derived systems offers a detailed examination of the synthesis and specific photochromic properties of the best-known photochromic and thermochromic compounds. It includes practical information and commercial applications for known photochromic families.

Recent Advances in Density Functional Methods

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Publisher : World Scientific
ISBN 13 : 9789810231606
Total Pages : 344 pages
Book Rating : 4.2/5 (316 download)

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Book Synopsis Recent Advances in Density Functional Methods by : Delano Pun Chong

Download or read book Recent Advances in Density Functional Methods written by Delano Pun Chong and published by World Scientific. This book was released on 1995 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt: Of all the different areas in computational chemistry, density functional theory (DFT) enjoys the most rapid development. Even at the level of the local density approximation (LDA), which is computationally less demanding, DFT can usually provide better answers than Hartree-Fock formalism for large systems such as clusters and solids. For atoms and molecules, the results from DFT often rival those obtained by ab initio quantum chemistry, partly because larger basis sets can be used. Such encouraging results have in turn stimulated workers to further investigate the formal theory as well as the computational methodology of DFT.This Part II expands on the methodology and applications of DFT. Some of the chapters report on the latest developments (since the publication of Part I in 1995), while others extend the applications to wider range of molecules and their environments. Together, this and other recent review volumes on DFT show that DFT provides an efficient and accurate alternative to traditional quantum chemical methods. Such demonstration should hopefully stimulate frutiful developments in formal theory, better exchange-correlation functionals, and linear scaling methodology.

Journal

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ISBN 13 :
Total Pages : 1042 pages
Book Rating : 4.:/5 (334 download)

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Book Synopsis Journal by : American Chemical Society

Download or read book Journal written by American Chemical Society and published by . This book was released on 2004 with total page 1042 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Carotenoids

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Publisher : CRC Press
ISBN 13 : 1420052314
Total Pages : 562 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Carotenoids by : John T. Landrum

Download or read book Carotenoids written by John T. Landrum and published by CRC Press. This book was released on 2009-12-21 with total page 562 pages. Available in PDF, EPUB and Kindle. Book excerpt: Carotenoids are of great interest due to their essential biological functions in both plants and animals. However, the properties and functions of carotenoids in natural systems are surprisingly complex. With an emphasis on the chemical aspects of these compounds, Carotenoids: Physical, Chemical, and Biological Functions and Properties presents a b