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Multidentate Alkanethiols With Cyclohexyl And Pyridyl Frameworks Forming Self Assembled Monolayers On Gold
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Book Synopsis Multidentate Alkanethiols with Cyclohexyl and Pyridyl Frameworks Forming Self-assembled Monolayers on Gold by : Burapol Singhana
Download or read book Multidentate Alkanethiols with Cyclohexyl and Pyridyl Frameworks Forming Self-assembled Monolayers on Gold written by Burapol Singhana and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Self-assembled monolayers (SAMs) generated from adsorption of the tridentate adsorbate having a cyclohexane ring as a platform were studied. The first generation of these SAMs was derived form cyclohexane-cis,cis-1,3,5-triyltrimethanethiol (CyTSH) and (cis,cis-1,3,5-trimethylcyclohexane-1,3,5-triyl)trimethanethiol (3C1CyTSH). Thin films prepared by the adsorption of these molecules onto the surface of gold were characterized by ellipsometry, contact angle goniometry, polarization modulation infrared reflection absorption spectroscopy (PM-IRRAS), and X-ray photoelectron spectroscopy (XPS). CyTSH was found to generate multilayer thin films with many unbound thiol species and oxidized sulfur moieties (e.g., disulfides and sulfone). In contrast, 3C1CyTSH was found to generate monolayer films in which ~90% of the thiols were bound to the surface of gold (~10% unbound), and there were no oxidized sulfur species. In comparing CyTSH and 3C1CyTSH, the methyl groups of 3C1CyTSH impart rigidity to the structure, which significantly enhances the chemisorption of sulfur to the surface of gold. Ellipsometric measurements and analysis by XPS indicate that the thickness of the SAM formed from 3C1CyTSH is ~5 Å. The second generation of these SAMs generated from the analogs of the R3C6H6(CH2SH)3 (abbreviated as 3CnCyTSH) where R = -(CH2)nH and n = 1, 3, 8 and 13 were also examined. Characterization of the SAMs revealed that all sulfur atoms of these tridentane adsorbates are bound to the surface of gold and generated loosely packed monolayer thin films with lower packing densities of the alkyl chains than a normal alkanethiolate SAM (C18SH). The trends in packing density and conformational order for these SAMs decreased as follows: C18SH ” 3C13CyTSH > 3C8CyTSH > 3C3CyTSH. A preliminary study of the thermal stability of this series of SAMs by XPS measurements has shown that the tridentate adsorbates (3CnCyTSH) are more stable than the normal alkanethiolate SAM (C18SH), a characteristic that is attributable to the chelating effect. Finally, a new pyridyl-based adsorbate (C18OPDSH) was synthesized and used to form SAMs. This SAM was characterized and the data was compared to those generated from the normal alkanethiol C18SH and C18OBDSH. XPS spectra display that a lone electron pair of pyridyl nitrogen atom of C18OPDSH interacts weakly with gold surface with some unbound thiols on the film. Both C18OPDSH and C18OBDSH adsorbates generate loosely and disordered packed thin films when compared to a normal alkanethiol (C18SH). The evaluation of the thermal stability using XPS measurement indicates that the C18OPDSH SAM is more stable when compared to both C18OBDSH and C18SH SAMs.
Book Synopsis The Structure and Stability of Alkanethiol Self-assembled Monolayers on Gold by : Jingmin Han
Download or read book The Structure and Stability of Alkanethiol Self-assembled Monolayers on Gold written by Jingmin Han and published by . This book was released on 2004 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Formation, Structural Dynamics, and Surface Properties of Thiol/gold Self Assembled Monolayers by : David Stephen Karpovich
Download or read book The Formation, Structural Dynamics, and Surface Properties of Thiol/gold Self Assembled Monolayers written by David Stephen Karpovich and published by . This book was released on 1996 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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
Book Synopsis Self-assembled Monolayers of Poly(glycine) Alkanethiols on Gold by : Changhoon Lee
Download or read book Self-assembled Monolayers of Poly(glycine) Alkanethiols on Gold written by Changhoon Lee and published by . This book was released on 2003 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis DFT Study of Alkanethiol Self-assembled Monolayers on Gold(111) Surfaces by : Edmanuel Torres
Download or read book DFT Study of Alkanethiol Self-assembled Monolayers on Gold(111) Surfaces written by Edmanuel Torres and published by . This book was released on 2009 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Atomically Precise Metal Nanoclusters by : Thalappil Pradeep
Download or read book Atomically Precise Metal Nanoclusters written by Thalappil Pradeep and published by Elsevier. This book was released on 2022-10-08 with total page 666 pages. Available in PDF, EPUB and Kindle. Book excerpt: Atomically Precise Metal Nanoclusters discusses the host of exciting properties that can be better harnessed with a solid understanding of their different structures and subsequent properties at the molecular level. The book delves into the foundational chemistry of numerous key atomically precise clusters and provides guidance on key approaches employed to examine them. Beginning with an introduction to the properties and fundamental nano-chemistry of atomically precise metal nanoclusters, the book then explores key approaches for their synthesis, examination and modification, including chromatography, mass spectrometry, single crystal diffraction, electron microscopy and computational approaches. A final section covers specific nanoclusters and cluster systems. User will find the important knowledge of an experienced team of contributors who provide a detailed guide to understanding, investigating and utilizing these useful structures that is ideal for anyone working in related fields. Presents a comprehensive guide that combines key knowledge, approaches and other types of metal nanocluster Supports an understanding of important interactions and approaches using clear figures Highlights future needs and prospects in the field
Book Synopsis The Chemistry of Organic Derivatives of Gold and Silver by : Saul Patai
Download or read book The Chemistry of Organic Derivatives of Gold and Silver written by Saul Patai and published by Wiley-Blackwell. This book was released on 1999-10-18 with total page 768 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 100th volume in this highly successful and renowned Patai andRappoport series 'The Chemistry of Functional Groups' is fittinglydevoted to the precious metals, gold and silver. Gold is a soft metal occurring naturally as particles in quartz oras nuggets. Gold was initially used extensively in coinage andjewellery and has recently found applications in biochemistry,medicine and material science. Gold readily forms organometalliccompounds (R-Au-L with L = sulphide, phosphine and isocyanide),oxides and halides. Silver is a ductile metal which was used incoinage and for mirrors. It is now used for jewellery, electricalconductors, dental and surgical components. Silver forms stablesilver halides for use in Photography and i.r. spectroscopy as asupport material. Other silver compounds are also used incatalysis. This volume contains 16 chapters dealing with calculations onorganogold compounds, physical and spectroscopic properties (NMR,ESR, PES, Mossbauer spectra), thermochemical and analyticalproperties, the synthesis and uses of the title compounds and theirreactions such as rearrangements, pyrolysis and photochemicalreactions. The medicinal use of organogold compounds and theincreased use of gold-thiol monolayers are also summarized. Each of the chapters has been prepared by leading scientists inthis field making this volume invaluable for researchers inacademia and industry working with gold and silver, inbiochemistry, pharmaceutical and materials chemistry. Organic compunds containg Nitrogen are of outstanding importnce inbiochemistry and in environmental systems. This volume gives asound introduction into physical chemistry of amino, nitriso, nitroand related functional groups. This volume is now available in electronic format from BooksOnline.
Book Synopsis Structural Phase Transitions by : A. D. Bruce
Download or read book Structural Phase Transitions written by A. D. Bruce and published by . This book was released on 1981 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Encyclopedia of Supramolecular Chemistry - Two-Volume Set (Print) by : Jerry L. Atwood
Download or read book Encyclopedia of Supramolecular Chemistry - Two-Volume Set (Print) written by Jerry L. Atwood and published by CRC Press. This book was released on 2013-10-09 with total page 1745 pages. Available in PDF, EPUB and Kindle. Book excerpt: The two-volume Encyclopedia of Supramolecular Chemistry offers authoritative, centralized information on a rapidly expanding interdisciplinary field. User-friendly and high-quality articles parse the latest supramolecular advancements and methods in the areas of chemistry, biochemistry, biology, environmental and materials science and engineering, physics, computer science, and applied mathematics. Designed for specialists and students alike, the set covers the fundamentals of supramolecular chemistry and sets the standard for relevant future research.
Book Synopsis The Chemistry of the Carbon-nitrogen Double Bond by : Saul Patai
Download or read book The Chemistry of the Carbon-nitrogen Double Bond written by Saul Patai and published by . This book was released on 1970 with total page 816 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Crystal as a Supramolecular Entity by : Gautam R. Desiraju
Download or read book The Crystal as a Supramolecular Entity written by Gautam R. Desiraju and published by John Wiley & Sons. This book was released on 2008-04-30 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt: Supramolecular chemistry involves the study and synthesis of very large molecules which are used in complex chemical reactions, and have great potential in areas such as medicine, electronics, and optics. Offers a comprehensive overview of crystals and supramolecular entities.
Book Synopsis Principles of Molecular Recognition by : A.D. Buckingham
Download or read book Principles of Molecular Recognition written by A.D. Buckingham and published by Springer Science & Business Media. This book was released on 1993-09-30 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt: The importance of molecular recognition in chemistry and biology is reflected in a recent upsurge in relevant research, promoted in particular by high-profile initiatives in this area in Europe, the USA and Japan. Although molecular recognition is necessarily microscopic in origin, its consequences are de facto macroscopic. Accordingly, a text that starts with intermolecular interactions between simple molecules and builds to a discussion of molecular recognition involving larger scale systems is timely. This book was planned with such a development in mind. The book begins with an elementary but rigorous account of the various types of forces between molecules. Chapter 2 is concerned with the hydrogen bond between pairs of simple molecules in the gas phase, with particular reference to the preferred relative orientation of the pair and the ease with which this can be distorted. This microscopic view continues in chapter 3 wherein the nature of interactions between solute molecules and solvents or between two or more solutes is examined from the experimental standpoint, with various types of spectroscopy providing the probe of the nature of the interactions. Molecular recognition is central to the catalysis of chemical reactions, especially when bonds are to be broken and formed under the severe con straint that a specific configuration is to result, as in the production of enan tiotopically pure compounds. This important topic is considered in chapter 4.
Book Synopsis The Lock-and-Key Principle by : Jean-Paul Behr
Download or read book The Lock-and-Key Principle written by Jean-Paul Behr and published by John Wiley & Sons. This book was released on 2008-04-30 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt: Published 100 years after Emil Fischer first proposed the lock-and-key principle, this volume provides a complete review of the subject to date and offers suggestions for futher research. The major impact of the lock-and-key principle on the chemical, biomedical and materials sciences is discussed by leaders in the field, with chapters dedicated to molecular recognition, nucleic acid and protein chemistry, crystallography and the development of Emil Fischer's initial ideas. The Lock-and-Key Principle is the most up-to-date review of progress in supramolecular chemistry and the lock-and-key principle and will become the essential guide to the past, present and future of this remarkable principle.
Book Synopsis Metal Nanoparticles for Catalysis by : Franklin Tao
Download or read book Metal Nanoparticles for Catalysis written by Franklin Tao and published by Royal Society of Chemistry. This book was released on 2014-06-12 with total page 285 pages. Available in PDF, EPUB and Kindle. Book excerpt: Catalysis is a central topic in chemical transformation and energy conversion. Thanks to the spectacular achievements of colloidal chemistry and the synthesis of nanomaterials over the last two decades, there have also been significant advances in nanoparticle catalysis. Catalysis on different metal nanostructures with well-defined structures and composition has been extensively studied. Metal nanocrystals synthesized with colloidal chemistry exhibit different catalytic performances in contrast to metal nanoparticles prepared with impregnation or deposition precipitation. Additionally, theoretical approaches in predicting catalysis performance and understanding catalytic mechanism on these metal nanocatalysts have made significant progress. Metal Nanoparticles for Catalysis is a comprehensive text on catalysis on Nanoparticles, looking at both their synthesis and applications. Chapter topics include nanoreactor catalysis; Pd nanoparticles in C-C coupling reactions; metal salt-based gold nanocatalysts; theoretical insights into metal nanocatalysts; and nanoparticle mediated clock reaction. This book bridges the gap between nanomaterials synthesis and characterization, and catalysis. As such, this text will be a valuable resource for postgraduate students and researchers in these exciting fields.
Book Synopsis The Chemistry of Sulphinic Acids, Esters and Their Derivatives by : Saul Patai
Download or read book The Chemistry of Sulphinic Acids, Esters and Their Derivatives written by Saul Patai and published by . This book was released on 1990 with total page 752 pages. Available in PDF, EPUB and Kindle. Book excerpt: The series "The Chemistry of Functional Groups" is planned to cover, in each volume, all aspects of the chemistry of one of the important functional groups in organic chemistry.
Book Synopsis The Chemistry of the Quinonoid Compounds, Volume 2 by : Saul Patai
Download or read book The Chemistry of the Quinonoid Compounds, Volume 2 written by Saul Patai and published by Wiley. This book was released on 2010-01-16 with total page 892 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is Part 1 of the second volume of a three volume work devoted to the chemistry of quinonoid compounds. Part 2 is published simultaneously, as is a volume set containing both parts. The work is intended to form a comprehensive review of the current state of research in quinonoid compounds starting with general and theoretical aspects and encompassing, among other things, physical and chemical methods, mass spectra, PES, chiroptical properties, chemiluminescence, recent advances in the synthesis of quinonoid compounds and in photochemistry, chemistry and biochemistry.
