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Self Assembly Of Platinumii Complexes With Tunable Photophysical Properties In Confined Spaces And In Solution
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Book Synopsis Self-assembly of Platinum(II) Complexes with Tunable Photophysical Properties in Confined Spaces and in Solution by : Rémi Rouquette
Download or read book Self-assembly of Platinum(II) Complexes with Tunable Photophysical Properties in Confined Spaces and in Solution written by Rémi Rouquette and published by . This book was released on 2017 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis focuses on the design, synthesis and the photophysical characterisation of luminescent neutral platinum(II) compounds containing a tridentate chromophoric ligand and a monodentate ancillary moiety with different functionalities. Such complexes exhibited drastic changes to their photoluminescence properties upon self-assembly, triggered by the establishment of weak noncovalent p-p stacking and metallophilic interactions. It was demonstrated that these platinum(II) complexes can be covalently attached to silicon and gold substrates but also encapsulated into polymer particles. The self-assembly properties of amphiphilic platinum(II) complexes have also been intensively studied. Understanding the behaviour of one complex in a solvent mixture allowed further investigation into the supramolecular co-assembly of two different platinum(II) complexes. This approach leads to the formation of solvatochromic fibers with specific and reversible phototophysical properties. The investigated compounds and their assemblies were useful for the development of novel functional materials for sensing or stimuli-responsiveness applications.
Book Synopsis Luminescent Platinum(ii), Palladium(ii) and Gold(iii) Complexes Containing Isocyanide, Alkynyl and N-Heterocyclic Carbene Ligands by : Faan-Fung Hung
Download or read book Luminescent Platinum(ii), Palladium(ii) and Gold(iii) Complexes Containing Isocyanide, Alkynyl and N-Heterocyclic Carbene Ligands written by Faan-Fung Hung and published by Open Dissertation Press. This book was released on 2017-01-27 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation, "Luminescent Platinum(II), Palladium(II) and Gold(III) Complexes Containing Isocyanide, Alkynyl and N-heterocyclic Carbene Ligands: Synthesis, Photophysical Properties and Material Applications" by Faan-fung, Hung, 孔繁峰, 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: Several cyclometalated Pt(II) isocyanide complexes containing C-deprotonated C DEGREESN DEGREESC ligands (C DEGREESN DEGREESC = 2,6-diphenylpyridine derivatives) were synthesized. These complexes display orange-red emissions with max at 582-619 nm and quantum yields of up to 26% in CH2Cl2 at room temperature. The incorporation of carbazole/fluorene/thiophene unit(s) to C DEGREESN DEGREESC ligands leads to minimized structural distortion of complexes in their excited states and thereby suppresses non-radiative decay pathways. The high thermal stability (Td >300 C) renders these complexes good candidates as phosphorescent dopants in organic light-emitting diodes (OLEDs). Red-emitting OLEDs with CIE coordinates of (0.650.01, 0.350.01) were fabricated by vacuum deposition, showing a maximum external efficiency of 12%. In addition, well-defined nano/microstructures were obtained from self-assembly of these complexes driven by π∙∙∙π, C-H∙∙∙π and C-H∙∙∙H-C interactions as observed in the crystal structures. Two series of organopalladium(II) alkynyl complexes containing a terpy (terpy = 2,2':6',2''-terpyridine) or C DEGREESN DEGREESC pincer carbene ligand (C DEGREESN DEGREESC = 2,6-bis(1-butylimidazol-2-ylidenyl)pyridine) were prepared. These complexes are non-emissive in solution at room temperature except that the one containing both C DEGREESN DEGREESC and pyrenylacetylide ligands shows phosphorescence (Φ = 0.3%) originating from intraligand state of the acetylide ligand. This could be attributed to the strong -donating N-heterocyclic carbene (NHC) in the pincer ligand that strongly destabilizes d-d state, the population of which provides an efficient non-radiative decay channel. To make comparison between Pd(II) and Pt(II) complexes with the two ligand systems, Pt(II) C DEGREESN DEGREESC alkynyl complexes were also prepared. They are emissive in solution and some display excimer emissions at high concentration (〖10〗 DEGREES(-4)-〖10〗 DEGREES(-3) mol 〖10dm〗 DEGREES(-3)). The X-ray crystal structures of [Pd(L)(CCPh)](〖PF〗_6) (L = terpy and C DEGREESN DEGREESC) revealed one-dimensional chain stacking of complex cations with alternating Pd(II)∙∙∙Pd(II) contacts of about 3.29-3.35 A and π-π interactions of about 3.4 A . Well-defined submicron/nanostructures were obtained from self-assembly of Pd(II) and Pt(II) alkynyl complexes driven by π-π interactions between aromatic moieties and/or metal∙∙∙metal interactions. DFT calculations on the optimized structures of [M(L)(CCPh)]+ (M = Pd(II) and Pt(II)) revealed the existence of metal∙∙∙metal closed-shell interactions. In addition, the complex containing the C DEGREESN DEGREESC ligand exhibits slightly enhanced metal∙∙∙metal interactions and larger "bonding" energy upon dimerization. Furthermore, spin-orbit coupling between singlet and triplet excited states is more effective which promotes rapid intersystem crossing. A new class of cyclometalated Au(III) complexes containing C-deprotonated C DEGREESN ligands (C DEGREESN = 2-phenylpyridine and its derivatives) and cis-chelating bis-NHC ligands was synthesized. These are the first examples of Au(III) complexes supported by cis-chelating bis-NHC ligands. They display emissions in solution under degassed condition at room temperature with &
Book Synopsis Luminescent Platinum(ii) Complexes Containing Dianionic Tetradentate Ligands Having Mixed Oxygen, Nitrogen and Carbon Donor Atoms and Platinum(ii)-Containing Phosphorescent Polymers by : Wai-Yip Tong
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
Book Synopsis Design and Synthesis of Luminescent Mono- And Dinuclear Platinum(ii) Alkynyl Terpyridine Complexes by : Hoi-Yiu Chan
Download or read book Design and Synthesis of Luminescent Mono- And Dinuclear Platinum(ii) Alkynyl Terpyridine Complexes written by Hoi-Yiu Chan and published by Open Dissertation Press. This book was released on 2017-01-27 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation, "Design and Synthesis of Luminescent Mono- and Dinuclear Platinum(II) Alkynyl Terpyridine Complexes: From Photophysics to Aggregation and Self-assembly" by Hoi-yiu, Chan, 陳凱耀, 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 DESIGN AND SYNTHESIS OF LUMINESCENT MONO- AND DINUCLEAR PLATINUM(II) ALKYNYL TERPYRIDINE COMPLEXES - FROM PHOTOPHYSICS TO AGGREGATION AND SELF-ASSEMBLY submitted by CHAN Hoi Yiu for the degree of Doctor of Philosophy at The University of Hong Kong in August 2006 A series of mononuclear alkynylplatinum(II) terpyridyl complexes, [Pt(trpy)({C{ C} C H )]PF, [Pt(trpy)({C{ C} C H CF -4)]PF, n 6 5 6 n 6 4 3 6 [Pt(trpy)({C{ C} C H CH -4)]PF, and [Pt( Bu trpy)(C{ C C{ C C H )]PF (n = n 6 4 3 6 3 6 5 6 2, 3), have been synthesized. The X-ray crystal structures of the two forms of [Pt(trpy)(C{ C C{ C C H )]PF, [Pt(trpy)(C{ C C{ C C{ C C H CH -4)]PF and 6 5 6 6 4 3 6 [Pt( Bu trpy)(C{ C C{ C C H )]PF have been determined. Dinuclear and 3 6 5 6 trinuclear alkynylplatinum(II) terpyridyl complexes, [1,4- {Pt(trpy)C{ C} C H ](OTf), [1,4-{Pt( Bu trpy)C{ C} C H ](OTf), [2,5- 2 6 4 2 3 2 6 4 2 {Pt(trpy)C{ C} C H S](OTf), [2,5-{Pt( Bu trpy)C{ C} C H S](OTf) and [1,3,5- 2 4 2 2 3 2 4 2 2 {Pt( Bu trpy)C{ C} C H ](OTf) have been successfully synthesized. The X-ray 3 3 6 3 3t crystal structure of [1,4-{Pt( Bu trpy)C{ C} C H ](OTf) has also been 3 2 6 4 2 determined. The luminescence properties of these complexes have been studied and their lowest-lying excited states in fluid solution and in the glass state were tentatively assigned as admixture of MLCT [dS (Pt)ĺ S *(trpy)] and LLCT [S (C{ C)ĺ S *(trpy)] origin, whereas the low-energy emissions in the solid state were attributed to triplet metal metal-to-ligand charge transfer ( MMLCT) phosphorescence, resulting from significant Pt---Pt interactions in the solid state. Besides, a series of luminescent platinum(II) terpyridyl alkynyl complexes with different counter anions, [Pt(trpy)(C{ C C{ C H)]X (X = OTf, PF, ClO, 6 4 BF, BPh ), [Pt(trpy)(C{ C C H )]X (X = OTf, PF, ClO, BF ) and 4 4 6 5 6 4 4 complexes with various substituents on the alkynyl and terpyridyl ligands, [Pt(trpy)(C{ CC H OCH-4)]OTf, [Pt(4'-CH O trpy)(C{ C C H )]OTf, 6 4 3 3 6 5 [Pt( Bu trpy)(C{ C C{ CH)]OTf, [Pt(trpy)(C{ CC H {CH NMe }-4)](OTf), 3 6 4 2 3 2 [Pt(trpy)(C{ C C{ C CH NMe )](OTf) and [Pt(trpy)(C{ C C{ C CH OH)]OTf 2 3 2 2 have been synthesized and their photophysical properties have been stuided. The X-ray crystal structure of [Pt(trpy)(C{ C C H )]ClO and 6 5 4 [Pt( Bu trpy)(C{ C C{ C H)]OTf have been determined. The solid-state absorption and emission spectra showed low-energy bands, which were assigned as derived from MMLCT origin. Solvent-induced aggregation studies of these complexes in solution showed that the color of the aggregates could be very different for different counter-ions, indicating that counter-ions played an important role in governing the degree of aggregation and the extent of interactions within these aggregates. Addition of various anions to solutions of [Pt(trpy)(C{ C C{ C H)]X (X = OTf, PF ) produced anion-induced color 6changes upon solvent-induced aggregation, showing that these complexes might serve as potential colorimetric anion probes. The effect of temperature on the aggregation properties of the complexes has also been explored. New low-energy absorption and emission bands were found upon a reduction of temperature, attributable to the formation o
Book Synopsis Design, Synthesis, Photophysics and Self-Assembly Study of Platinum (II) Terpyridine Complexes and Their Utilization as Stimuli-Responsive Smart Materials and Probes for Molecules and Macromolecules of Biological Interest by : Yik-Sham Clive Chung
Download or read book Design, Synthesis, Photophysics and Self-Assembly Study of Platinum (II) Terpyridine Complexes and Their Utilization as Stimuli-Responsive Smart Materials and Probes for Molecules and Macromolecules of Biological Interest written by Yik-Sham Clive Chung and published by Open Dissertation Press. This book was released on 2017-01-27 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation, "Design, Synthesis, Photophysics and Self-assembly Study of Platinum (II) Terpyridine Complexes and Their Utilization as Stimuli-responsive Smart Materials and Probes for Molecules and Macromolecules of Biological Interest" by Yik-sham, Clive, Chung, 鍾亦琛, 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: A series of water-soluble platinum(II) terpyridine complexes with functionalized alkynyl ligands and a boronic acid-containing polymer, PAAPBA, have been synthesized and characterized. The photophysical and electrochemical properties of all the platinum(II) complexes have been studied. Some of the complexes have been demonstrated to show ground-state aggregation in organic solvents and aqueous solutions at high concentrations, leading to Pt...Pt and/or π-π interactions and hence the emergence of metal-metal-to-ligand charge transfer (MMLCT) transitions in both the UV-visible and emission spectra. The induced self-assembly of [Pt(tpy)(C≡CC6H4-CH2NMe3-4)](OTf)2 by PAAPBA has been explored for the development of glucose sensing protocols and α-glucosidase assay by monitoring the triplet metal-metal-to-ligand charge transfer (3MMLCT) emission in the near-infrared (NIR) region. [Pt(tpy){C≡CC6H4- {NHC(=NH2])(NH2)}-4}](OTf)2 has been observed to undergo induced aggregation in the presence of citrate, with good selectivity over other mono- and dicarboxylates in the tricarboxylic acid (TCA) cycle. Enzymatic activity of citrate lyase has also been probed by the emission spectral changes of the complex in the NIR region. A series of water-soluble alkynylplatinum(II) terpyridine complexes and water-soluble conjugated polyelectrolytes (CPEs) have been synthesized and characterized. The UV-vis absorption and emission properties of the platinum(II) complexes and CPEs have been investigated in organic solvents and/or aqueous buffer solutions. The electrochemical properties and ground-state aggregation at high concentrations of the platinum(II) complexes have also been examined. Two-component ensembles containing selected platinum(II) complexes and PPE-SO3- have been studied, and Forster resonance energy transfer (FRET) has been demonstrated from the PPE-SO3- donor to the aggregated complexes as acceptors. The ensemble containing PPE-SO3- and [Pt(tpy)(C≡CC6H4CH2NMe3-4)](OTf)2 has been employed for a "proof-of-principle" label-free detection of human serum albumin (HSA) in pH 3 buffer solutions with high selectivity and sensitivity, while another ensemble containing PPE-SO3- and [Pt{tpy(C6H4CH2NMe3-4)-4'}(C≡CC6H5)](OTf)2 has been utilized for selective label-free detection of G-quadruplex structure of the human telomeric DNA in physiological buffer solutions. A series of water-soluble platinum(II) terpyridine complexes with stimuli-responsive alkynyl ligands and a series of water-soluble platinum(II) metallosupramolecular triblock copolymers have been synthesized and characterized. The photophysical and electrochemical properties as well as the ground-state aggregation of the complexes have been investigated. Some of them have been found to show different electronic absorption and emission properties in aqueous solution at different pHs due to aggregation/deaggregation of the complexes. One of the complexes has been employed for live-cell imaging experiments to locate acidic organelles, such as lysosomes, in MDCK cells. The water-soluble platinum(II) metallosupramolecular triblock copolymers have been found to show an increase in 3MMLCT emission intensity in the red-NIR region with temperature, which has been attribu
Book Synopsis Design and Synthesis of Platinum(II) Complexes with Multidentate N-donor Ligands by : 傅莉其
Download or read book Design and Synthesis of Platinum(II) Complexes with Multidentate N-donor Ligands written by 傅莉其 and published by . This book was released on 2017 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Click Polymerization written by Anjun Qin and published by Royal Society of Chemistry. This book was released on 2018-08-28 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt: Click Polymerization has been edited by world renowned experts and provides an authoritative guide to this reaction type.
Book Synopsis Transition Metal and Rare Earth Compounds III by : Hartmut Yersin
Download or read book Transition Metal and Rare Earth Compounds III written by Hartmut Yersin and published by Springer Science & Business Media. This book was released on 2004-11-18 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: With contribution by numerous experts
Book Synopsis Iptycenes Chemistry by : Chuan-Feng Chen
Download or read book Iptycenes Chemistry written by Chuan-Feng Chen and published by Springer Science & Business Media. This book was released on 2012-12-02 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt: Iptycenes Chemistry: From Synthesis to Applications provides a comprehensive overview of the development of iptycene chemistry in the past seventy years. This book covers: (1) the basic nomenclature and general properties of iptycenes and their derivatives; (2) the synthesis and functionalization reactions of triptycenes, pentiptycenes, higher iptycenes, heterotriptycenes, and homotriptycenes; (3) the methods for the preparation of iptycene-based polymers with different types; and (4) the applications of iptycenes and their derivatives in molecular machines, materials science, host-guest chemistry, self-assembly, coordination chemistry, physical organic chemistry, medicinal chemistry, and so on. Consequently, such a book is not only helpful to researchers working in iptycene chemistry, but can also facilitate future research in wide areas.
Book Synopsis The Exploration of Supramolecular Systems and Nanostructures by Photochemical Techniques by : Paola Ceroni
Download or read book The Exploration of Supramolecular Systems and Nanostructures by Photochemical Techniques written by Paola Ceroni and published by Springer Science & Business Media. This book was released on 2011-11-01 with total page 241 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Exploration of Supramolecular Systems and Nanostructures by Photochemical Techniques provides a comprehensive view of the most commonly used photochemical and photophysical techniques and their applications to the study of supramolecular systems. Optical inputs are extremely powerful in the study of nanostructures since they can be used both to “read” the state of the system and to provide it energy to work. After a brief introduction to the realm of photochemistry, electronically excited state formation and the different pathways of excited state deactivation, the book focuses on the theoretical basis and the practical aspects related to the most widely used photophysical and photochemical techniques, from absorption to time-resolved emission techniques with polarized light. Each chapter illustrates an example of the application of that particular technique to the study of a supramolecular system. The Exploration of Supramolecular Systems and Nanostructures by Photochemical Techniques not only discusses the latest advances of the field of supramolecular photochemistry but it also offers technical and operative details useful in the laboratory. It is therefore suitable for both the novice and the expert.
Book Synopsis Luminescent and Photoactive Transition Metal Complexes as Biomolecular Probes and Cellular Reagents by : Kenneth Kam-Wing Lo
Download or read book Luminescent and Photoactive Transition Metal Complexes as Biomolecular Probes and Cellular Reagents written by Kenneth Kam-Wing Lo and published by Springer. This book was released on 2015-06-30 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt: The series Structure and Bonding publishes critical reviews on topics of research concerned with chemical structure and bonding. The scope of the series spans the entire Periodic Table and addresses structure and bonding issues associated with all of the elements. It also focuses attention on new and developing areas of modern structural and theoretical chemistry such as nanostructures, molecular electronics, designed molecular solids, surfaces, metal clusters and supramolecular structures. Physical and spectroscopic techniques used to determine, examine and model structures fall within the purview of Structure and Bonding to the extent that the focus is on the scientific results obtained and not on specialist information concerning the techniques themselves. Issues associated with the development of bonding models and generalizations that illuminate the reactivity pathways and rates of chemical processes are also relevant. The individual volumes in the series are thematic. The goal of each volume is to give the reader, whether at a university or in industry, a comprehensive overview of an area where new insights are emerging that are of interest to a larger scientific audience. Thus 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 should be presented using selected examples to illustrate the principles discussed. A description of the physical basis of the experimental techniques that have been used to provide the primary data may also be appropriate, if it has not been covered in detail elsewhere. The coverage need not be exhaustive in data, but should rather be conceptual, concentrating on the new principles being developed that will allow the reader, who is not a specialist in the area covered, to understand the data presented. Discussion of possible future research directions in the area is welcomed. Review articles for the individual volumes are invited by the volume editors. Readership: research scientists at universities or in industry, graduate students Special offer For all customers who have a standing order to the print version of Structure and Bonding, we offer free access to the electronic volumes of the Series published in the current year via SpringerLink.
Book Synopsis Polymer/POSS Nanocomposites and Hybrid Materials by : Susheel Kalia
Download or read book Polymer/POSS Nanocomposites and Hybrid Materials written by Susheel Kalia and published by Springer. This book was released on 2018-11-27 with total page 470 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides an overview of polymer nanocomposites and hybrid materials with polyhedral oligomeric silsesquioxanes (POSS). Among inorganic nanoparticles, functionalized POSS are unique nano-building blocks that can be used to create a wide variety of hybrid and composite materials, where precise control of nanostructures and properties is required. This book describes the influence of incorporation of POSS moieties into (organic) polymer matrices on the mechanical, thermal and flammability behavior of composites and hybrid organic-inorganic materials. Importantly, POSS-containing materials can be bio-functionalized by linking e.g. peptides and growth factors through appropriate surface modification in order to enhance the haemo-compatibility of cardiovascular devices made of these materials. This volume includes descriptions of synthesis routes of POSS and POSS-containing polymeric materials (e.g. based on polyolefines, epoxy resins and polyurethanes), presentation of POSS’ role as flame retardants and as biocompatible linker, as well as the depiction of decomposition and ageing processes.
Download or read book Metallomacrocycles written by Hai-Bo Yang and published by Royal Society of Chemistry. This book was released on 2018-10-05 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive overview of metallomacrocycles from designing complex functional metallosupramolecular systems to their applications.
Book Synopsis Supramolecular Chemistry in the 3rd Millennium by : Catherine E. Housecroft
Download or read book Supramolecular Chemistry in the 3rd Millennium written by Catherine E. Housecroft and published by MDPI. This book was released on 2021-08-18 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Special Issue is one of the first for the new MDPI flagship journal Chemistry (ISSN 2624-8549) which has a broad remit for publishing original research in all areas of chemistry. The theme of this issue is Supramolecular Chemistry in the 3rd Millennium and I am sure that this topic will attract many exciting contributions. We chose this topic because it encompasses the unity of contemporary pluridisciplinary science, in which organic, inorganic, physical and theoretical chemists work together with molecular biologists and physicists to develop a systems-level understanding of molecular interactions. The description of supramolecular chemistry as 'chemistry beyond the molecule' (Jean-Marie Lehn, Nobel Lecture and Gautam R. Desiraju, Nature, 2001, 412, 397) addresses the wide variety of weak, non-covalent interactions that are the basis for the assembly of supramolecular architectures, molecular receptors and molecular recognition, programed molecular systems, dynamic combinatorial libraries, coordination networks and functional supramolecular materials. We welcome submissions from all disciplines involved in this exciting and evolving area of science.
Book Synopsis Nanomaterials Chemistry by : C. N. R. Rao
Download or read book Nanomaterials Chemistry written by C. N. R. Rao and published by John Wiley & Sons. This book was released on 2007-09-24 with total page 420 pages. Available in PDF, EPUB and Kindle. Book excerpt: With this handbook, the distinguished team of editors has combined the expertise of leading nanomaterials scientists to provide the latest overview of this field. They cover the whole spectrum of nanomaterials, ranging from theory, synthesis, properties, characterization to application, including such new developments as quantum dots, nanoparticles, nanoporous materials, nanowires, nanotubes, and nanostructured polymers. The result is recommended reading for everybody working in nanoscience: Newcomers to the field can acquaint themselves with this exciting subject, while specialists will find answers to all their questions as well as helpful suggestions for further research.
Book Synopsis Applied Photochemistry by : Rachel C. Evans
Download or read book Applied Photochemistry written by Rachel C. Evans and published by Springer Science & Business Media. This book was released on 2014-07-08 with total page 619 pages. Available in PDF, EPUB and Kindle. Book excerpt: Applied Photochemistry encompasses the major applications of the chemical effects resulting from light absorption by atoms and molecules in chemistry, physics, medicine and engineering, and contains contributions from specialists in these key areas. Particular emphasis is placed both on how photochemistry contributes to these disciplines and on what the current developments are. The book starts with a general description of the interaction between light and matter, which provides the general background to photochemistry for non-specialists. The following chapters develop the general synthetic and mechanistic aspects of photochemistry as applied to both organic and inorganic materials, together with types of materials which are useful as light absorbers, emitters, sensitisers, etc. for a wide variety of applications. A detailed discussion is presented on the photochemical processes occurring in the Earth’s atmosphere, including discussion of important current aspects such as ozone depletion. Two important distinct, but interconnected, applications of photochemistry are in photocatalytic treatment of wastes and in solar energy conversion. Semiconductor photochemistry plays an important role in these and is discussed with reference to both of these areas. Free radicals and reactive oxygen species are of major importance in many chemical, biological and medical applications of photochemistry, and are discussed in depth. The following chapters discuss the relevance of using light in medicine, both with various types of phototherapy and in medical diagnostics. The development of optical sensors and probes is closely related to diagnostics, but is also relevant to many other applications, and is discussed separately. Important aspects of applied photochemistry in electronics and imaging, through processes such as photolithography, are discussed and it is shown how this is allowing the increasing miniaturisation of semiconductor devices for a wide variety of electronics applications and the development of nanometer scale devices. The final two chapters provide the basic ideas necessary to set up a photochemical laboratory and to characterise excited states. This book is aimed at those in science, engineering and medicine who are interested in applying photochemistry in a broad spectrum of areas. Each chapter has the basic theories and methods for its particular applications and directs the reader to the current, important literature in the field, making Applied Photochemistry suitable for both the novice and the experienced photochemist.
Book Synopsis Metal Nanoparticles in Microbiology by : Mahendra Rai
Download or read book Metal Nanoparticles in Microbiology written by Mahendra Rai and published by Springer Science & Business Media. This book was released on 2011-04-02 with total page 306 pages. Available in PDF, EPUB and Kindle. Book excerpt: Following an introduction to biogenic metal nanoparticles, this book presents how they can be biosynthesized using bacteria, fungi and yeast, as well as their potential applications in biomedicine. It is shown that the synthesis of nanoparticles using microbes is eco-friendly and results in reproducible metal nanoparticles of well-defined sizes, shapes and structures. This biotechnological approach based on the process of biomineralization exploits the effectiveness and flexibility of biological systems. Chapters include practical protocols for microbial synthesis of nanoparticles and microbial screening methods for isolating a specific nanoparticle producer as well as reviews on process optimization, industrial scale production, biomolecule-nanoparticle interactions, magnetosomes, silver nanoparticles and their numerous applications in medicine, and the application of gold nanoparticles in developing sensitive biosensors.
