Gold Oxide As A Masking Layer For Regioselective Surface Chemistry

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Gold Oxide as a Masking Layer for Regioselective Surface Chemistry

Author : Kevin M. Cook
Publisher :
ISBN 13 : 9781303478376
Total Pages : 185 pages
Book Rating : 4.4/5 (783 download)

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Book Synopsis Gold Oxide as a Masking Layer for Regioselective Surface Chemistry by : Kevin M. Cook

Download or read book Gold Oxide as a Masking Layer for Regioselective Surface Chemistry written by Kevin M. Cook and published by . This book was released on 2013 with total page 185 pages. Available in PDF, EPUB and Kindle. Book excerpt: The work in this dissertation is focused on the development of methods for spatially controlling the adsorption of self-assembled monolayers (SAMs) on selected gold electrodes in an array. This research draws from synthetic organic and inorganic chemistry, electrochemistry, and surface science to provide a unique solution to the problem of directing the formation of SAMs, which are potentially useful in sensing and photovoltaic applications. To meet this need, we developed a facile electrochemical method that utilizes gold-oxide thin films as protecting layers to allow the selective placement of SAMs on specific gold electrodes. This approach is analogous to the protection-deprotection strategy used successfully by synthetic organic chemists for decades and is potentially applicable for a broad range of chemical functionality. The gold-oxide thin film can easily be added or removed, allowing convenient incorporation into the synthetic scheme. We used a combination of x-ray photoelectron spectroscopy (XPS), variable-angle spectroscopic ellipsometry (VASE) and contact-angle measurements to demonstrate that distinct monolayers can be formed on the neighboring electrodes and microelectrodes with no evidence of cross-contamination. In order to characterize the thin oxide films used in this method, as well as to assess their lability in various chemical environments, we also developed a method for measuring their wavelength-dependent, complex refractive index (n + ik). We first measured the thickness of the thin film independently by angle-resolved XPS. Using that thickness value, we determined the values of n and k by VASE. Using this unique combination of XPS and VASE, we were able to obtain values for the complex refractive index of an electrochemically formed thin film of gold oxide for wavelengths between 350 and 800 nm. Exploratory studies involving silver (I)-thiolate polymers were conducted to examine their possible use as precursors to monolayer films and metallic nanoparticles. X-ray photoelectron spectroscopy (XPS) measurements suggested that these polymers adsorb onto gold surfaces from solution, but decomposition produced surfaces that were not the same as those formed by self-assembly of alkanethiols on gold bearing a submonolayer of underpotential-deposited silver. In separate studies, the silver(I)-thiolate polymers could be decomposed into nanoparticles by thermolysis or photolysis as confirmed by transmission electron microscopy (TEM) and UV/vis spectrophotometry.

Silane Coupling Agents

Author : Edwin P. Plueddemann
Publisher : Springer Science & Business Media
ISBN 13 : 1489903429
Total Pages : 238 pages
Book Rating : 4.4/5 (899 download)

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Book Synopsis Silane Coupling Agents by : Edwin P. Plueddemann

Download or read book Silane Coupling Agents written by Edwin P. Plueddemann and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt: * It has been rumored that a bumble bee has such aerodynamic deficiencies that it should be incapable of flight. Fiberglass-reinforced polymer com posites, similarly, have two (apparently) insurmountable obstacles to per formance: 1) Water can hydrolyze any conceivable bond between organic and inorganic phase, and 2) Stresses across the interface during temperature cycling (resulting from a mismatch in thermal expansion coefficients) may exceed the strength of one of the phases. Organofunctional silanes are hybrid organic-inorganic compounds that are used as coupling agents across the organic-inorganic interface to help overcome these two obstacles to composite performance. One of their functions is to use the hydrolytic action of water under equilibrium condi tions to relieve thermally induced stresses across the interface. If equilib rium conditions can be maintained, the two problems act to cancel each other out. Coupling agents are defined primarily as materials that improve the practical adhesive bond of polymer to mineral. This may involve an increase in true adhesion, but it may also involve improved wetting, rheology, and other handling properties. The coupling agent may also modify the inter phase region to strengthen the organic and inorganic boundary layers.

Supramolecular Chemistry and Self-assembly

Author : Jack Halpern
Publisher :
ISBN 13 :
Total Pages : 452 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Supramolecular Chemistry and Self-assembly by : Jack Halpern

Download or read book Supramolecular Chemistry and Self-assembly written by Jack Halpern and published by . This book was released on 2002 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Nanotechnology in Catalysis 3

Author : Bing Zhou
Publisher : Springer Science & Business Media
ISBN 13 : 0387346880
Total Pages : 342 pages
Book Rating : 4.3/5 (873 download)

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Book Synopsis Nanotechnology in Catalysis 3 by : Bing Zhou

Download or read book Nanotechnology in Catalysis 3 written by Bing Zhou and published by Springer Science & Business Media. This book was released on 2007-09-05 with total page 342 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume continues the tradition formed in Nanotechnology in Catalysis 1 and 2. As with those books, this one is based upon an ACS symposium. Some of the most illustrious names in heterogeneous catalysis are among the contributors. The book covers: Design, synthesis, and control of catalysts at nanoscale; understanding of catalytic reaction at nanometer scale; characterization of nanomaterials as catalysts; nanoparticle metal or metal oxides catalysts; nanomaterials as catalyst supports; new catalytic applications of nanomaterials.

C-H and C-X Bond Functionalization

Author : Xavi Ribas
Publisher : Royal Society of Chemistry
ISBN 13 : 1849735700
Total Pages : 489 pages
Book Rating : 4.8/5 (497 download)

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Book Synopsis C-H and C-X Bond Functionalization by : Xavi Ribas

Download or read book C-H and C-X Bond Functionalization written by Xavi Ribas and published by Royal Society of Chemistry. This book was released on 2013 with total page 489 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cross-coupling reactions involving C-H and C-X bond functionalisation are commonplace in natural product synthesis and natural products, therapeutic agents, biological probes, and advanced materials. Much attention has been given to understanding the mechanistic strategies used to achieve this, making this a hot topic in recent years. In this edited book, contributions from across the globe examine these strategies, with a particular focus on palladium and copper, as well as iron û an emerging element in this field. Reviewing the recent literature, the book presents an in-depth understanding of the field, guiding the reader to achieving the best synthetic strategies for aromatic functionalisation. Organic and Organometallic chemists, as well as natural product and pharmaceutical scientists, will find this an essential guide to a major transformation currently underway in synthetic chemistry.

The Science of Flavonoids

Author : Erich Grotewold
Publisher : Springer Science & Business Media
ISBN 13 : 9780387745503
Total Pages : 300 pages
Book Rating : 4.7/5 (455 download)

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Book Synopsis The Science of Flavonoids by : Erich Grotewold

Download or read book The Science of Flavonoids written by Erich Grotewold and published by Springer Science & Business Media. This book was released on 2008 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the only book of its kind to provide an overview of the science of flavonoids in plants.

Chemistry for Sustainable Development

Author : Minu Gupta Bhowon
Publisher : Springer
ISBN 13 : 9789400796782
Total Pages : 0 pages
Book Rating : 4.7/5 (967 download)

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Book Synopsis Chemistry for Sustainable Development by : Minu Gupta Bhowon

Download or read book Chemistry for Sustainable Development written by Minu Gupta Bhowon and published by Springer. This book was released on 2014-02-23 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chemistry for Sustainable Development is a collection of selected papers by the participants of the International Conference on Pure and Applied Chemistry (ICPAC 2010) on the theme of “Chemistry for Sustainable Development” held in Mauritius in July 2010. In light of the significant progresses and challenges in the development and implementation of green and sustainable chemistry, this volume reviews the recent results generated by a more efficient use of resources to minimize carbon footprints, to foster the eradication or minimisation of solvent use in chemistry, and to deliver processes which lead to increased harmony between chemistry and the environment. Chemistry for Sustainable Development is written for graduates, postgraduates, researchers in industry and academia who have an interest in the fields ranging from fundamental to applied chemistry.

Boronic Acids

Author : Dennis G. Hall
Publisher : John Wiley & Sons
ISBN 13 : 3527606823
Total Pages : 571 pages
Book Rating : 4.5/5 (276 download)

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Book Synopsis Boronic Acids by : Dennis G. Hall

Download or read book Boronic Acids written by Dennis G. Hall and published by John Wiley & Sons. This book was released on 2006-05-12 with total page 571 pages. Available in PDF, EPUB and Kindle. Book excerpt: For the first time, the whole field of organoboronic acids is presented in one comprehensive handbook. Professor Dennis Hall, a rising star within the community, covers all aspects of this important substance class, including applications in chemistry, biology and medicine. Starting with an introduction to the structure, properties, and preparation of boronic acid derivatives, together with an overview of their reactions and applications, the book goes on to look at metal-catalyzed borylation of alkanes and arenas, coupling reactions and rhodium-catalyzed additions of boronic acids to alkenes and carbonyl compounds. There follows chapters on copper-promoted C-O and C-N cross-coupling of boronic acids, recent applications in organic synthesis, as well as alpha-haloalkylboronic esters in asymmetric synthesis. Later sections deal with cycloadditions, organoboronic acids, oxazaborolidines as asymmetric inducers, and boronic acid based receptors and sensors. The whole is rounded off with experimental procedures, making this invaluable reading for organic, catalytic and medicinal chemists, as well as those working in organometallics.

Inorganic Nanoparticles

Author : Claudia Altavilla
Publisher : CRC Press
ISBN 13 : 1351833960
Total Pages : 885 pages
Book Rating : 4.3/5 (518 download)

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Book Synopsis Inorganic Nanoparticles by : Claudia Altavilla

Download or read book Inorganic Nanoparticles written by Claudia Altavilla and published by CRC Press. This book was released on 2017-12-19 with total page 885 pages. Available in PDF, EPUB and Kindle. Book excerpt: Among the various nanomaterials, inorganic nanoparticles are extremely important in modern technologies. They can be easily and cheaply synthesized and mass produced, and for this reason, they can also be more readily integrated into applications. Inorganic Nanoparticles: Synthesis, Applications, and Perspectives presents an overview of these special materials and explores the myriad ways in which they are used. It addresses a wide range of topics, including: Application of nanoparticles in magnetic storage media Use of metal and oxide nanoparticles to improve performance of oxide thin films as conducting media in commercial gas and vapor sensors Advances in semiconductors for light-emitting devices and other areas related to the energy sector, such as solar energy and energy storage devices (fuel cells, rechargeable batteries, etc.) The expanding role of nanosized particles in the field of catalysis, art conservation, and biomedicine The book’s contributors address the growing global interest in the application of inorganic nanoparticles in various technological sectors. Discussing advances in materials, device fabrication, and large-scale production—all of which are urgently required to reduce global energy demands—they cover innovations in areas such as solid-state lighting, detailing how it still offers higher efficiency but higher costs, compared to conventional lighting. They also address the impact of nanotechnology in the biomedical field, focusing on topics such as quantum dots for bioimaging, nanoparticle-based cancer therapy, drug delivery, antibacterial agents, and more. Fills the informational gap on the wide range of applications for inorganic nanoparticles in areas including biomedicine, electronics, storage media, conservation of cultural heritage, optics, textiles, and cosmetics Assembling work from an array of experts at the top of their respective fields, this book delivers a useful analysis of the vast scope of existing and potential applications for inorganic nanoparticles. Versatile as either a professional research resource or textbook, this effective tool elucidates fundamentals and current advances associated with design, characterization, and application development of this promising and ever-evolving device.

Bioactive Surfaces

Author : Hans G. Börner
Publisher : Springer Science & Business Media
ISBN 13 : 3642201547
Total Pages : 232 pages
Book Rating : 4.6/5 (422 download)

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Book Synopsis Bioactive Surfaces by : Hans G. Börner

Download or read book Bioactive Surfaces written by Hans G. Börner and published by Springer Science & Business Media. This book was released on 2011-06-01 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt: Erik Wischerhoff, Nezha Badi, André Laschewsky and Jean-François Lutz Smart Polymer Surfaces: Concepts and Applications in Biosciences; S. Petersen, M. Gattermayer and M. Biesalski Hold on at the Right Spot: Bioactive Surfaces for the Design of Live-Cell Micropatterns; Julien Polleux Interfacing Cell Surface Receptors to Hybrid Nanopatterned Surfaces: A Molecular Approach for Dissecting the Adhesion Machinery; Abigail Pulsipher and Muhammad N. Yousaf Self-Assembled Monolayers as Dynamic Model Substrates for Cell Biology; D. Volodkin, A. Skirtach and H. Möhwald LbL Films as Reservoirs for Bioactive Molecules; R. Gentsch and H. G. Börner Designing Three-Dimensional Materials at the Interface to Biology; Joerg C. Tiller Antimicrobial Surfaces;

Nanocellulose Polymer Nanocomposites

Author : Vijay Kumar Thakur
Publisher : John Wiley & Sons
ISBN 13 : 1118872347
Total Pages : 477 pages
Book Rating : 4.1/5 (188 download)

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Book Synopsis Nanocellulose Polymer Nanocomposites by : Vijay Kumar Thakur

Download or read book Nanocellulose Polymer Nanocomposites written by Vijay Kumar Thakur and published by John Wiley & Sons. This book was released on 2014-10-28 with total page 477 pages. Available in PDF, EPUB and Kindle. Book excerpt: Biorenewable polymers based nanomaterials are rapidly emerging as one of the most fascinating materials for multifunctional applications. Among biorenewable polymers, cellulose based nanomaterials are of great importance due to their inherent advantages such as environmental friendliness, biodegradability, biocompatibility, easy processing and cost effectiveness, to name a few. They may be produced from biological systems such as plants or be chemically synthesised from biological materials. This book summarizes the recent remarkable achievements witnessed in green technology of cellulose based nanomaterials in different fields ranging from biomedical to automotive. This book also discusses the extensive research developments for next generation nanocellulose-based polymer nanocomposites. The book contains seventeen chapters and each chapter addresses some specific issues related to nanocellulose and also demonstrates the real potentialities of these nanomaterials in different domains. The key features of the book are: Synthesis and chemistry of nanocellulose from different biorenewable resources Different characterization of nanocellulosic materials and their respective polymer nanocomposites Physico-chemical, thermal and mechanical investigation of nanocellulose based polymer nanocomposites Provides elementary information and rich understanding of the present state-of- art of nanocellulose-based materials Explores the full range of applications of different nanocellulose-based materials.

Chemical Abstracts

Author :
Publisher :
ISBN 13 :
Total Pages : 2540 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Chemical Abstracts by :

Download or read book Chemical Abstracts written by and published by . This book was released on 2002 with total page 2540 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Reversed Micelles

Author : Willie L. Hinze
Publisher : JAI Press(NY)
ISBN 13 : 9781559383363
Total Pages : 186 pages
Book Rating : 4.3/5 (833 download)

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Book Synopsis Reversed Micelles by : Willie L. Hinze

Download or read book Reversed Micelles written by Willie L. Hinze and published by JAI Press(NY). This book was released on 1994 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Total Synthesis of Natural Products

Author : Jie Jack Li
Publisher : Springer Science & Business Media
ISBN 13 : 3642340652
Total Pages : 292 pages
Book Rating : 4.6/5 (423 download)

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Book Synopsis Total Synthesis of Natural Products by : Jie Jack Li

Download or read book Total Synthesis of Natural Products written by Jie Jack Li and published by Springer Science & Business Media. This book was released on 2013-03-14 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt: 'Total Synthesis of Natural Products' is written and edited by some of today's leaders in organic chemistry. Eleven chapters cover a range of natural products, from steroids to alkaloids. Each chapter contains an introduction to the natural product in question, descriptions of its biological and pharmacological properties and outlines of total synthesis procedures already carried out. Particular emphasis is placed on novel methodologies developed by the respective authors and their research groups. This text is ideal for graduate and advanced undergraduate students, as well as organic chemists in academia and industry.

Cellulose Chemistry and Properties: Fibers, Nanocelluloses and Advanced Materials

Author : Orlando J. Rojas
Publisher : Springer
ISBN 13 : 3319260154
Total Pages : 341 pages
Book Rating : 4.3/5 (192 download)

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Book Synopsis Cellulose Chemistry and Properties: Fibers, Nanocelluloses and Advanced Materials by : Orlando J. Rojas

Download or read book Cellulose Chemistry and Properties: Fibers, Nanocelluloses and Advanced Materials written by Orlando J. Rojas and published by Springer. This book was released on 2016-02-25 with total page 341 pages. Available in PDF, EPUB and Kindle. Book excerpt: Vincent Bulone et al.: Cellulose sources and new understanding of synthesis in plants Thomas Heinze et al.:Cellulose structure and properties Thomas Rosenau, Antje Potthast, Ute Henniges et al.: Recent developments in cellulose aging (degradation / yellowing / chromophore formation) Sunkyu Park et al.:Cellulose crystallinity Lina Zhang et al.:Gelation and dissolution behavior of cellulose Yoshiyuki Nishio et al.:Cellulose and derivatives in liquid crystals Alessandro Gandini, Naceur Belgacem et al.:The surface and in-depth modification of cellulose fibers Emily D. Cranston et al.:Interfacial properties of cellulose Herbert Sixta, Michael Hummel et al.Cellulose Fibers Regenerated from Cellulose Solutions in Ionic Liquids Qi Zhou et al.:Cellulose-based biocomposites Orlando Rojas et al.:Films of cellulose nanocrystals and nanofibrils Pedro Fardim et al.:Functional cellulose particles Wadood Hamad et al.:Cellulose Composites

Modern Supramolecular Gold Chemistry

Author : Antonio Laguna
Publisher : John Wiley & Sons
ISBN 13 : 3527623760
Total Pages : 525 pages
Book Rating : 4.5/5 (276 download)

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Book Synopsis Modern Supramolecular Gold Chemistry by : Antonio Laguna

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.

Applied Cross-Coupling Reactions

Author : Yasushi Nishihara
Publisher : Springer Science & Business Media
ISBN 13 : 3642323685
Total Pages : 247 pages
Book Rating : 4.6/5 (423 download)

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Book Synopsis Applied Cross-Coupling Reactions by : Yasushi Nishihara

Download or read book Applied Cross-Coupling Reactions written by Yasushi Nishihara and published by Springer Science & Business Media. This book was released on 2012-12-14 with total page 247 pages. Available in PDF, EPUB and Kindle. Book excerpt: “Applied Cross-Coupling Reactions” provides students and teachers of advanced organic chemistry with an overview of the history, mechanisms and applications of cross-coupling reactions. Since the discovery of the transition-metal-catalyzed cross-coupling reactions in 1972, numerous synthetic uses and industrial applications have been developed. The mechanistic studies of the cross-coupling reactions have disclosed that three fundamental reactions: oxidative addition, transmetalation, and reductive elimination, are involved in a catalytic cycle. Cross-coupling reactions have allowed us to produce a variety of compounds for industrial purposes, such as natural products, pharmaceuticals, liquid crystals and conjugate polymers for use in electronic devices. Indeed, the Nobel Prize for Chemistry in 2010 was awarded for work on cross-coupling reactions. In this book, the recent trends in cross-coupling reactions are also introduced from the point of view of synthesis design and catalytic activities of transition-metal catalysts.