Download or read book Complexes of Platinum II and Iridium III with Liquid Crystal and Luminescent Properties written by and published by . This book was released on 2010 with total page 235 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Complexes of Platinium 11 and Iridium 111 with Liquid Crystal and Luminescent Properties written by Amedeo Santoro and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Photoluminescent Materials and Electroluminescent Devices written by Nicola Armaroli and published by Springer. This book was released on 2017-05-25 with total page 397 pages. Available in PDF, EPUB and Kindle. Book excerpt: The series Topics in Current Chemistry Collections presents critical reviews from the journal Topics in Current Chemistry organized in topical volumes. The scope of coverage is all areas of chemical science including the interfaces with related disciplines such as biology, medicine and materials science. The goal of each thematic volume is to give the non-specialist reader, whether in academia or industry, a comprehensive insight into an area where new research is emerging which is of interest to a larger scientific audience. Each review within the volume critically surveys one aspect of that topic and places it within the context of the volume as a whole. The most significant developments of the last 5 to 10 years are presented using selected examples to illustrate the principles discussed. The coverage is not intended to be an exhaustive summary of the field or include large quantities of data, but should rather be conceptual, concentrating on the methodological thinking that will allow the non-specialist reader to understand the information presented. Contributions also offer an outlook on potential future developments in the field.
Download or read book Molecular Design Synthesis and Luminescent Properties of New Functional Metallophosphors of Iridium III and Platinum II written by Nga Yuen Chau and published by . This book was released on 2015 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Synthesis and Properties of New Luminescent Iridium and Platinum Complexes written by Noreldin S. Y. Abdolla and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Liquid Crystals and Display Technology written by Morteza Sasani Ghamsari and published by BoD – Books on Demand. This book was released on 2020-10-07 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt: Liquid crystals have attracted scientific attention for potential applications in advanced devices. Display technology is continuously growing and expanding and, as such, this book provides an overview of the most recent advances in liquid crystals and displays. Chapters cover such topics as nematic liquid crystals, active matrix organic light-emitting diodes, and tetradentate platinum(II) emitters, among others.
Download or read book Luminescent Platinum II Gold III and Iridium III Complexes for Biological Studies written by 蔡雷雷 and published by . This book was released on 2016 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Synthesis and Luminescence Properties of Platinum Palladium and Iridium Complexes Featuring Multidentate Ligands written by Melissa Teresa Walden and published by . This book was released on 2019 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book OLED Fundamentals written by Daniel J. Gaspar and published by CRC Press. This book was released on 2015-05-15 with total page 474 pages. Available in PDF, EPUB and Kindle. Book excerpt: A Comprehensive Source for Taking on the Next Stage of OLED R&DOLED Fundamentals: Materials, Devices, and Processing of Organic Light-Emitting Diodes brings together key topics across the field of organic light-emitting diodes (OLEDs), from fundamental chemistry and physics to practical materials science and engineering aspects to design and ma
Download or read book LIGHT EMITTING PLATINUM II written by Wei Lu and published by Open Dissertation Press. This book was released on 2017-01-28 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation, "Light-emitting Platinum (II) and Gold (I) Complexes Containing Cyclometalated and Alkynyl Ligands" by Wei, Lu, 陸為, was obtained from The University of Hong Kong (Pokfulam, Hong Kong) and is being sold pursuant to Creative Commons: Attribution 3.0 Hong Kong License. The content of this dissertation has not been altered in any way. We have altered the formatting in order to facilitate the ease of printing and reading of the dissertation. All rights not granted by the above license are retained by the author. Abstract: Abstract of thesis entitled LIGHT-EMITTING PLATINUM(II) AND GOLD(I) COMPLEXES CONTAINING CYCLOMETALATED AND ALKYNYL LIGANDS Submitted by Lu Wei for the degree of Doctor of Philosophy at The University of Hong Kong in July 2003 The syntheses, characterizations, spectroscopic properties and applications of light-emitting platinum(II) and gold(I) complexes containing cyclometalated and alkynyl ligands are described and five systems are explored in detail. The tuning of the photoluminescent properties of tridentate cyclometalated platinum(II) complexes bearing σ-alkynyl auxiliaries, namely [(C DEGREESN DEGREESN)Pt(C≡C) R] [H(C DEGREESN DEGREESN) = 6-aryl- 2,2'-bipyridine; n = 1-4; R = aryl, alkyl or trimethylsilyl], through modifications of both the cyclometalating and acetylide ligands, is presented. These neutral Pt(II) materials exhibit enhanced stability during vacuum deposition. Organic light-emitting devices (OLEDs) based on these emitters display orange to red electrophosphorescence with low turn-on voltages ( 4 V), maximum luminance -2 -1 approaching 10,000 cd m and efficiencies up to 4.2 cd A . The crystal structures and photoluminescence of tethered trinuclear cyclometalated platinum(II) complexes, 3+ namely [{R(C DEGREESN DEGREESN)} Pt ( -dpmp)] (R denotes substituent(s) on the (C DEGREESN DEGREESN) 3 3 3 ligand, dpmp = bis(diphenylphosphinomethyl)phenylphosphine), were investigated and compared with their mono- and binuclear analogues to yield insight into the nature of their respective excited states. The emission energies were found to be dependent on the substituents on the cyclometalating ligands and the oligophosphine 8 8 ligands, and sensitive to d -d and π-π interactions. Intermolecular π-stacking interactions were found to affect the crystal packing, solid-state emission energy and vapochromic behavior of mono- and multinuclear dicyclometalated Pt(II) complexes, 1 1 namely [Pt(C DEGREESN DEGREESC)L ] [HC DEGREESN DEGREESCH = 2,6-diphenylpyridine; L = pyridine, isocyanide, 2 2 phosphine], [Pt (C DEGREESN DEGREESC) (-L )] [L = pyrazine, bidentate phosphine] and 2 2 [Pt (C DEGREESN DEGREESC) ( -dpmp)], and aromatic α-diimine Pt(II) complexes bearing 3 3 3 t t functionalized σ-alkynyl auxiliaries, namely [( Bu bpy)Pt(C≡CAr) ] ( Bu bpy = 4,4'- 2 2 2 bis-tert-butyl-2,2'-bipyridine, Ar = 4-pyridyl, 3-pyridyl, 2-pyridyl, 4-ethynylpyridyl, 2-thienyl and pentafluorophenyl). The weak non-covalent interactions observed in the solvated crystal structures, such as π-π, C-H---π(C≡C), C-H---N(py), C-H---F-C and Cl---Cl contacts, were invoked to rationalize the reversible VOC (volatile organic compound) sensing and signaling capabilities of these materials. The syntheses, crystal structures and spectroscopic properties of several π-conjugated carbon-rich scaffolds bearing [Au(PCy )] (Cy = cyclohexyl) termini are described. The ν of the 3 0-0 acetylenic (ππ*) emission for [(Cy P)Au(C≡C) Au(PCy )] (n = ∞) was estimated to 3 n 3 -1 1 occur at 11000 cm by extrapolation of the plot of ν versus 1/n. Prompt (ππ*) 0-0 fluorescence only was detected from the cross-conjugated species [TEE][Au(PCy )] 3 4 ([TEE]H = tetraethynylethene). A correlation between the solid-state emissions and crystal structures of the phosphorescent polymorphic complex [4-NO - C H C≡CAu(PCy )] and their related complexes was observed, and a rationale based 6 4 3 on excitonic coupling is proposed. DOI: 10.5353/th_b
Download or read book Luminescent Organoplatinum Chemistry written by Siu-Wai Lai and published by Open Dissertation Press. This book was released on 2017-01-26 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation, "Luminescent Organoplatinum Chemistry: Photophysical and Supramolecular Properties of Metallacyclic and Polypyridine Platinum(II) Complexes" by Siu-wai, Lai, 黎小慧, was obtained from The University of Hong Kong (Pokfulam, Hong Kong) and is being sold pursuant to Creative Commons: Attribution 3.0 Hong Kong License. The content of this dissertation has not been altered in any way. We have altered the formatting in order to facilitate the ease of printing and reading of the dissertation. All rights not granted by the above license are retained by the author. DOI: 10.5353/th_b3123873 Subjects: Organoplatinum compounds - Synthesis Pyridine - Synthesis Photochemistry
Download or read book Electrogenerated Chemiluminescence written by Allen J. Bard and published by CRC Press. This book was released on 2004-07-20 with total page 707 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first source on this expanding analytical science, this reference explores advances in the instrumentation, design, and application of techniques with electrogenerated chemiluminescence (ECL), examining the use and impact of ECL-based assays in clinical diagnostics, life science research, environmental testing, food and water evaluation, and th
Download or read book Luminescent Platinum ii Complexes Containing Dianionic Tetradentate Ligands Having Mixed Oxygen Nitrogen and Carbon Donor Atoms and Platinum ii Containing Phosphorescent Polymers written by Wai-Yip Tong and published by Open Dissertation Press. This book was released on 2017-01-26 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation, "Luminescent Platinum(II) Complexes Containing Dianionic Tetradentate Ligands Having Mixed Oxygen, Nitrogen and Carbon Donor Atoms and Platinum(II)-containing Phosphorescent Polymers: Synthesis, Photophysical Properties and Material Applications" by Wai-yip, Tong, 唐煒燁, was obtained from The University of Hong Kong (Pokfulam, Hong Kong) and is being sold pursuant to Creative Commons: Attribution 3.0 Hong Kong License. The content of this dissertation has not been altered in any way. We have altered the formatting in order to facilitate the ease of printing and reading of the dissertation. All rights not granted by the above license are retained by the author. Abstract: Abstract of thesis entitled LUMINESCENT PLATINUM(II) COMPLEXES CONTAINING DIANIONIC TETRADENTATE LIGANDS HAVING MIXED OXYGEN, NITROGEN AND CARBON DONOR ATOMS AND PLATINUM(II)-CONTAINING PHOSPHORESCENT POLYMERS: SYNTHESIS, PHOTOPHYSICAL PROPERTIES AND MATERIAL APPLICATIONS Submitted by TONG WAI YIP for the degree of Doctor of Philosophy at The University of Hong Kong in May 2014 Square planar platinum(II) complexes exhibit rich photophysical properties which are tunable through the structural variation of ligands and can be harnessed for applications in materials science. In this thesis, the great variety of spectroscopic properties of various square planar cyclometalated platinum(II) complexes supported by tetradentate (O DEGREESN DEGREESN DEGREESC and O DEGREESN DEGREESC DEGREESN) and tridentate (C DEGREESN DEGREESN) ligands containing dipyridyl moieties will be highlighted, along with their synthesis, characterization and potential application in organic light emitting diodes (OLEDs). Ind Platinum(II) complexes supported by tetradentate O DEGREESN DEGREESN DEGREESC or O DEGREESN DEGREESN DEGREESC types of ligands (O DEGREESN DEGREESN DEGREESC = 2-(4-(3,5-di-tert-butylphenyl)-6'-phenyl-2,2'- Ind bipyridin-6-yl)phenolate; O DEGREESN DEGREESN DEGREESC = 5,5-dialkyl-2-(6-phenylpyridin-2-yl) indeno[1,2-b]pyridin-9-olate) are emissive in solution at room temperature, with emission maxima tunable from 582 nm to 640 nm and quantum yields up to 0.28. Mechanochromism and the associated luminescence change in [Pt(dihexyl- Ind O DEGREESN DEGREESN DEGREESC)] (Complex 3.6) were found associated with the two different crystal packings revealed by powder X-ray diffraction (PXRD) studies. Fast vapochromic response of [Pt(3-O DEGREESN DEGREESN-2,6-difluoropyridine)] (Complex 3.3) on chloroform or dichloromethane vapours was found to be associated with structural changes in the solid state through PXRD studies. Robust and strongly emissive platinum(II) complexes supported by tetradentate O DEGREESN DEGREESC DEGREESN ligands featuring fused six-five-six membered metallacyclic ring (O DEGREESN DEGREESC DEGREESN = 2-(4-(3,5-di-tert-butylphenyl)-6-(9-(pyridin-2-yl) carbazol-2-yl)pyridin-2-yl)phenol) have been prepared. These platinum(II) complexes are among the most efficient yellow phosphors, with emission maxima ranging from 526 nm to 553 nm and luminescence quantum yields as high as -1 0.47-0.86. A yellow OLED with power efficiency (η ) up to 52 lm W is power demonstrated. In combination with the typical blue emitting iridium(III) 2' bis(4,6-difluorophenyl-pyridinato-N, C ) picolinate (FIrpic), white organic -1 light-emitting diodes (WOLEDs) displayed η up to 61 lm W and reduced power -2 efficiency roll-off at 1000 cd m . Random copolymers with photo-inert backbone poly[(N-vinylcarbazole)-co- ((R-C DEGREESN DEGREESN)Pt)] and poly[(2-(4-tert-butylphenyl)-5-(4-vinylphenyl)-1,3,4- oxadiazole)-co-((R-C DEGREESN DEGREESN)Pt)] (R-C DEGREESN DEGREESN = 3-(6-phenyl-4-(4-vinylphenyl) pyridine-2-yl)-isoquinoline or 3-(4-(4-(dec-9-enyloxy)phenyl)-6-phenylpyridin- 2-yl)isoquinoline) have been synthesized and characterized. Energy transfer between the charge transporting units and emissive (R-C DEGREESN DEGREESN)Pt units was revealed through ICP-MS inve
Download or read book Metallomesogens written by Jose Luis Serrano and published by John Wiley & Sons. This book was released on 2008-09-26 with total page 517 pages. Available in PDF, EPUB and Kindle. Book excerpt: Research on metal-containing liquid crystals is a rapidly expanding, multidisciplinary field with new materials continually being synthesized and novel applications being developed. 'Metallomesogens' is the first comprehensive survey of the field, introducing the reader to: * materials design * synthesis * physical properties * emerging applications Carefully selected references round off this well-organized compendium. It is an indispensable guide to experienced researchers in coordination and organometallic chemistry as well as in liquid-crystal and materials science. Newcomers and graduate students will also benefit from this didactically sound introduction to the field.
Download or read book Modern Supramolecular Gold Chemistry written by Antonio Laguna and published by John Wiley & Sons. This book was released on 2008-09-26 with total page 525 pages. Available in PDF, EPUB and Kindle. Book excerpt: Filling a gap in our systematic knowledge of gold, this monograph covers the fundamental aspects, while also considering new applications of gold compounds in catalysis, as nanoparticles, and their potential application as luminescent compounds. Written by an eminent team of authors from academia, the book analyzes the current status of gold chemistry, its special characteristics, oxidation states and main type of complexes, before going on to look at the synthesis of supramolecular aggregates due to the formation of gold-gold, gold-metal interactions or other secondary bonds. Final sections deal with LEDs, solvoluminescent and electroluminescent materials, liquid crystals and catalysis. While of interest to advanced chemistry students, this book is also useful for researchers interested in the chemistry of gold and its applications, as well as those involved in metal-metal interactions, heteronuclear chemistry or in the optical properties of coordination compounds.
Download or read book Progress in Inorganic Chemistry Volume 53 written by Kenneth D. Karlin and published by John Wiley & Sons. This book was released on 2005-05-25 with total page 613 pages. Available in PDF, EPUB and Kindle. Book excerpt: The cutting edge of scientific reporting . . . PROGRESS in Inorganic Chemistry Nowhere is creative scientific talent busier than in the world of inorganic chemistry experimentation. Progress in Inorganic Chemistry continues in its tradition of being the most respected avenue for exchanging innovative research. This series provides inorganic chemists and materials scientists with a forum for critical, authoritative evaluations of advances in every area of the discipline. With contributions from internationally renowned chemists, this latest volume offers an in-depth, far-ranging examination of the changing face of the field, providing a tantalizing glimpse of the emerging state of the science. "This series is distinguished not only by its scope and breadth, but also by the depth and quality of the reviews." -Journal of the American Chemical Society "[This series] has won a deservedly honored place on the bookshelf of the chemist attempting to keep afloat in the torrent of original papers on inorganic chemistry." -Chemistry in Britain CONTENTS OF VOLUME 53 * Main Group Dithiocarbamate Complex (Peter J. Heard) * Transition Metal Dithiocarbamates-1978-2003 (Graeme Hogarth)
Download or read book Iridium III in Optoelectronic and Photonics Applications written by Eli Zysman-Colman and published by John Wiley & Sons. This book was released on 2017-03-07 with total page 736 pages. Available in PDF, EPUB and Kindle. Book excerpt: The fundamental photophysical properties of iridium(III) materials make this class of materials the pre-eminent transition metal complex for use in optoelectronic applications. Iridium(III) in Optoelectronic and Photonics Applications represents the definitive account of photoactive iridium complexes and their use across a wide variety of applications. This two-volume set begins with an overview of the synthesis of these complexes and discusses their photophysical properties. The text highlights not only mononuclear complexes but also the properties of multinuclear and polymeric iridium-based materials and the assembly of iridium complexes into larger supramolecular architectures such as MOFs and soft materials. Chapters devoted to the use of these iridium-based materials in diverse optoelectronic applications follow, including: electroluminescent devices such as organic light emitting diodes (OLEDs) and light-emitting electrochemical cells (LEECs); electrochemiluminescence (ECL); bioimaging; sensing; light harvesting in the context of solar cell applications; in photoredox catalysis and as components for solar fuels. Although primarily targeting a chemistry audience, the wide applicability of these compounds transcends traditional disciplines, making this text also of use to physicists, materials scientists or biologists who have interests in these areas.
