Novel Three Dimensional C3v Symmetric Nano Molecules Based On Polyhedral Oligomeric Silsesquioxanes Poss Nano Atoms

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Novel Three Dimensional C3v Symmetric Nano-molecules Based on Polyhedral Oligomeric Silsesquioxanes (POSS) Nano-atoms

Author : Shan Mei
Publisher :
ISBN 13 :
Total Pages : 59 pages
Book Rating : 4.:/5 (913 download)

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Book Synopsis Novel Three Dimensional C3v Symmetric Nano-molecules Based on Polyhedral Oligomeric Silsesquioxanes (POSS) Nano-atoms by : Shan Mei

Download or read book Novel Three Dimensional C3v Symmetric Nano-molecules Based on Polyhedral Oligomeric Silsesquioxanes (POSS) Nano-atoms written by Shan Mei and published by . This book was released on 2013 with total page 59 pages. Available in PDF, EPUB and Kindle. Book excerpt: The self-assembly of individual building blocks with different shapes into close packed ordered structures is prevalent in nature and has drawn much attention of human for long. The close packing of some simple shapes such as sphere and rods has been widely learned and established while the assembly of polyhedral structures is still unsolved and being studied with numerous efforts, of which tetrahedron is one with special interest. However, many previous researches only study the assembly of the building blocks with sizes either too big (tens or hundreds of nanometers) or too small (around one nanometer). Thus, we seek to obtain a size in between by using the newly emerged nano building blocks with precisely defined structures, persistent shapes and outstanding properties, e.g. Polyhedral Oligomeric Silsesquioxane (POSS). We can predict there to be distinctive difference in the self-assembly behavior and structure between the nano-sized molecules and the traditional ones. In this work, two novel claw-like C3v symmetric nano-molecules with different linkages were successfully synthesized by connecting 3 POSS nano-atoms to 1,3,5-Triphenyladmantane. The nano-molecules were carefully designed to ensure they possess enough shape persistent ability and 3-5 nm size, which fills the size gap between traditional small molecules and large colloidal particles. The crystals of the molecules were obtained via solvent evaporation method and the crystal structures would be explored. This work can not only provide us a new way of designing crystals with Nano-sized units but also help us to deepen our understanding of the relationship between molecular structure and crystal structure.

Synthesis of Sequence-specific Linear Giant Molecules Based on Polyhedral Oligomeric Silsesquioxanes (POSS)

Author : Dong Guo
Publisher :
ISBN 13 :
Total Pages : 36 pages
Book Rating : 4.:/5 (128 download)

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Book Synopsis Synthesis of Sequence-specific Linear Giant Molecules Based on Polyhedral Oligomeric Silsesquioxanes (POSS) by : Dong Guo

Download or read book Synthesis of Sequence-specific Linear Giant Molecules Based on Polyhedral Oligomeric Silsesquioxanes (POSS) written by Dong Guo and published by . This book was released on 2016 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since De Gennes formally described the entities with distinct components in terms of both geometry and chemistry after the name of two-faced Roman God Janus, rapid development of researches on Janus Grains has been witnessed. Our group expanded the concept of Janus Grains to the molecular level, and synthesized "dumbbell-like" molecular Janus particles with precisely-defined chemical structures based on versatile nano building blocks, or so-called nanoatoms.1 POSS-based amphiphilic molecular Janus particles were reported to possess either three dimensional (3D) hierarchical structures2 or 2D ultra-thin nanocrystal structures3, depending on particular conditions that were thoroughly discussed in our previous work. Furthermore, we need to explore a possible strategy to manipulate the thickness of those preceding 2D nanocrystals. In this context, we present the synthesis of a series of sequence-specific linear giant molecules constructed from distinct POSS derivatives which may satisfy our desire for tuning the thickness of 2D nanocrystals. And this series of sequence-specific linear giant molecules possess the sequence-controlled primary structure, which indicates a promising strategy to manipulate sequence-controlled macromolecules.4

Materials Chemistry

Author : Bradley D. Fahlman
Publisher : Springer
ISBN 13 : 9402412557
Total Pages : 817 pages
Book Rating : 4.4/5 (24 download)

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Book Synopsis Materials Chemistry by : Bradley D. Fahlman

Download or read book Materials Chemistry written by Bradley D. Fahlman and published by Springer. This book was released on 2018-08-28 with total page 817 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 3rd edition of this successful textbook continues to build on the strengths that were recognized by a 2008 Textbook Excellence Award from the Text and Academic Authors Association (TAA). Materials Chemistry addresses inorganic-, organic-, and nano-based materials from a structure vs. property treatment, providing a suitable breadth and depth coverage of the rapidly evolving materials field — in a concise format. The 3rd edition offers significant updates throughout, with expanded sections on sustainability, energy storage, metal-organic frameworks, solid electrolytes, solvothermal/microwave syntheses, integrated circuits, and nanotoxicity. Most appropriate for Junior/Senior undergraduate students, as well as first-year graduate students in chemistry, physics, or engineering fields, Materials Chemistry may also serve as a valuable reference to industrial researchers. Each chapter concludes with a section that describes important materials applications, and an updated list of thought-provoking questions.

Statistical Mechanics of Chain Molecules

Author : Paul J. Flory
Publisher : Hanser Gardner Publications
ISBN 13 : 9781569900192
Total Pages : 432 pages
Book Rating : 4.9/5 (1 download)

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Book Synopsis Statistical Mechanics of Chain Molecules by : Paul J. Flory

Download or read book Statistical Mechanics of Chain Molecules written by Paul J. Flory and published by Hanser Gardner Publications. This book was released on 1989-01 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Sol-Gel Materials

Author : John D. Wright
Publisher : CRC Press
ISBN 13 : 1482283166
Total Pages : 136 pages
Book Rating : 4.4/5 (822 download)

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Book Synopsis Sol-Gel Materials by : John D. Wright

Download or read book Sol-Gel Materials written by John D. Wright and published by CRC Press. This book was released on 2018-10-03 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sol-Gel processing methods, first used historically for decorative and constructional materials, were extensively developed in the last century for applications such as glasses, ceramics, catalysts, coatings, composites and fibres. Today they are reaching their full potential, enabling the preparation of new generations of advanced materials not easily accessible by other methods yet using mild, low-energy conditions. The topic is therefore increasingly included in advanced undergraduate, MSc and PhD programmes in the areas of chemistry, physics and materials science. This concise introductory text, written at the advanced undergraduate/first-year postgraduate level, is also suitable as an introduction to the development, mechanisms, chemistry, characterisation methods and applications of the technique. It provides readers with an extensive yet concise grounding in the theory of each area of the subject and details the real and potential applications and the future prospects of sol-gel chemistry.

Giant Molecules

Author : Herman Francis Mark
Publisher :
ISBN 13 :
Total Pages : 208 pages
Book Rating : 4.0/5 ( download)

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Book Synopsis Giant Molecules by : Herman Francis Mark

Download or read book Giant Molecules written by Herman Francis Mark and published by . This book was released on 1970 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Giant Molecules

Author : A. I?U. Grosberg
Publisher : World Scientific
ISBN 13 : 9812839224
Total Pages : 347 pages
Book Rating : 4.8/5 (128 download)

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Book Synopsis Giant Molecules by : A. I?U. Grosberg

Download or read book Giant Molecules written by A. I?U. Grosberg and published by World Scientific. This book was released on 2011 with total page 347 pages. Available in PDF, EPUB and Kindle. Book excerpt: ?? Giant molecules are important in our everyday life. But, as pointed out by the authors, they are also associated with a culture. What Bach did with the harpsichord, Kuhn and Flory did with polymers. We owe a lot of thanks to those who now make this music accessible ??Pierre-Gilles de GennesNobel Prize laureate in Physics(Foreword for the 1st Edition, March 1996)This book describes the basic facts, concepts and ideas of polymer physics in simple, yet scientifically accurate, terms. In both scientific and historic contexts, the book shows how the subject of polymers is fascinating, as it is behind most of the wonders of living cell machinery as well as most of the newly developed materials. No mathematics is used in the book beyond modest high school algebra and a bit of freshman calculus, yet very sophisticated concepts are introduced and explained, ranging from scaling and reptations to protein folding and evolution. The new edition includes an extended section on polymer preparation methods, discusses knots formed by molecular filaments, and presents new and updated materials on such contemporary topics as single molecule experiments with DNA or polymer properties of proteins and their roles in biological evolution.

Handbook of Fluorous Chemistry

Author : John A. Gladysz
Publisher : John Wiley & Sons
ISBN 13 : 3527604499
Total Pages : 624 pages
Book Rating : 4.5/5 (276 download)

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Book Synopsis Handbook of Fluorous Chemistry by : John A. Gladysz

Download or read book Handbook of Fluorous Chemistry written by John A. Gladysz and published by John Wiley & Sons. This book was released on 2006-03-06 with total page 624 pages. Available in PDF, EPUB and Kindle. Book excerpt: Edited by the leading experts John Gladysz, Dennis Curran, and István Horváth, this handbook is the first to summarize all the essential aspects of this emerging field of chemistry. Whether the reader is seeking an introduction to the concept of fluorous biphase catalysis, summaries of partition coefficients involving fluorous and organic solvents, or information on the latest fluorous mixture separation techniques, this authoritative compilation of contributions, written by the world's top authors, provides key information needed for successfully working with the diverse and fascinating families of fluorous molecules. The large number of reliable experimental procedures in particular makes this the ideal guide for newcomers wanting to use this elegant method in the laboratory. In addition, experts will also find a wealth of important information concisely contained in one ready reference. The result is an indispensable resource for everyone currently working or intending to work in this field.

Sequence-Controlled Polymers

Author : Jean-François Lutz
Publisher : John Wiley & Sons
ISBN 13 : 3527342370
Total Pages : 532 pages
Book Rating : 4.5/5 (273 download)

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Book Synopsis Sequence-Controlled Polymers by : Jean-François Lutz

Download or read book Sequence-Controlled Polymers written by Jean-François Lutz and published by John Wiley & Sons. This book was released on 2018-04-09 with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt: Edited by a leading authority in the field, the first book on this important and emerging topic provides an overview of the latest trends in sequence-controlled polymers. Following a brief introduction, the book goes on to discuss various synthetic approaches to sequence-controlled polymers, including template polymerization, genetic engineering and solid-phase chemistry. Moreover, monomer sequence regulation in classical polymerization techniques such as step-growth polymerization, living ionic polymerizations and controlled radical polymerizations are explained, before concluding with a look at the future for sequence-controlled polymers. With its unique coverage of this interdisciplinary field, the text will prove invaluable to polymer and environmental chemists, as well as biochemists and bioengineers.

Mechanochemical Organic Synthesis

Author : Davor Margetic
Publisher : Elsevier
ISBN 13 : 0128025255
Total Pages : 388 pages
Book Rating : 4.1/5 (28 download)

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Book Synopsis Mechanochemical Organic Synthesis by : Davor Margetic

Download or read book Mechanochemical Organic Synthesis written by Davor Margetic and published by Elsevier. This book was released on 2016-04-23 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mechanochemical Organic Synthesis is a comprehensive reference that not only synthesizes the current literature but also offers practical protocols that industrial and academic scientists can immediately put to use in their daily work. Increasing interest in green chemistry has led to the development of numerous environmentally-friendly methodologies for the synthesis of organic molecules of interest. Amongst the green methodologies drawing attention, mechanochemistry is emerging as a promising method to circumvent the use of toxic solvents and reagents as well as to increase energy efficiency. The development of synthetic strategies that require less, or the minimal, amount of energy to carry out a specific reaction with optimum productivity is of vital importance for large-scale industrial production. Experimental procedures at room temperature are the mildest reaction conditions (essentially required for many temperature-sensitive organic substrates as a key step in multi-step sequence reactions) and are the core of mechanochemical organic synthesis. This green synthetic method is now emerging in a very progressive manner and until now, there is no book that reviews the recent developments in this area. Features cutting-edge research in the field of mechanochemical organic synthesis for more sustainable reactions Integrates advances in green chemistry research into industrial applications and process development Focuses on designing techniques in organic synthesis directed toward mild reaction conditions Includes global coverage of mechanochemical synthetic protocols for the generation of organic compounds

Electrochemical Activation of Catalysis

Author : Costas G. Vayenas
Publisher : Springer Science & Business Media
ISBN 13 : 0306475510
Total Pages : 597 pages
Book Rating : 4.3/5 (64 download)

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Book Synopsis Electrochemical Activation of Catalysis by : Costas G. Vayenas

Download or read book Electrochemical Activation of Catalysis written by Costas G. Vayenas and published by Springer Science & Business Media. This book was released on 2007-05-08 with total page 597 pages. Available in PDF, EPUB and Kindle. Book excerpt: I knew nothing of the work of C. G. Vayenas on NEMCA until the early nineties. Then I learned from a paper of his idea (gas interface reactions could be catalyzed electrochemically), which seemed quite marvelous; but I did not understand how it worked. Consequently, I decided to correspond with Professor Vayenas in Patras, Greece, to reach a better understanding of this concept. I think that my early papers (1946, 1947, and 1957), on the relationship between the work function of metal surfaces and electron transfer reactions thereat to particles in solution, held me in good stead to be receptive to what Vayenas told me. As the electrode potential changes, so of course, does the work function at the interface, and gas metal reactions there involve adsorbed particles which have bonding to the surface. Whether electron transfer is complete in such a case, or whether the effect is on the desorption of radicals, the work function determines the strength of their bonding, and if one varies the work function by varying the electrode potential, one can vary the reaction rate at the interface. I got the idea. After that, it has been smooth sailing. Dr. Vayenas wrote a seminal article in Modern Aspects of Electrochemistry, Number 29, and brought the field into the public eye. It has since grown and its usefulness in chemical catalytic reactions has been demonstrated and verified worldwide.

Mechanochemistry

Author : Evelina Colacino
Publisher : Walter de Gruyter GmbH & Co KG
ISBN 13 : 3110608332
Total Pages : 114 pages
Book Rating : 4.1/5 (16 download)

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Book Synopsis Mechanochemistry by : Evelina Colacino

Download or read book Mechanochemistry written by Evelina Colacino and published by Walter de Gruyter GmbH & Co KG. This book was released on 2020-12-07 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mechanochemistry has been recently ackwnoledged by IUPAC as one of the top ten emerging technologies in chemistry, answering to the increased demand for clean processes and sustainable reaction conditions. This book focuses on the rediscovery of mechanochemistry for inorganic, organic and organo-metallic materials. Focus on experimental techniques and equipment will show how to implement mechanochemistry as an innovative way to sustainability in academic laboratories. The contents are ideal for researchers starting off in industry and academia, as well as advanced students.

Bio-inspired Polymers

Author : Nico Bruns
Publisher : Royal Society of Chemistry
ISBN 13 : 1782626662
Total Pages : 613 pages
Book Rating : 4.7/5 (826 download)

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Book Synopsis Bio-inspired Polymers by : Nico Bruns

Download or read book Bio-inspired Polymers written by Nico Bruns and published by Royal Society of Chemistry. This book was released on 2016-10-14 with total page 613 pages. Available in PDF, EPUB and Kindle. Book excerpt: Many key aspects of life are based on naturally occurring polymers, such as polysaccharides, proteins and DNA. Unsurprisingly, their molecular functionalities, macromolecular structures and material properties are providing inspiration for designing new polymeric materials with specific functions, for example, responsive, adaptive and self-healing materials. Bio-inspired Polymers covers all aspects of the subject, ranging from the synthesis of novel polymers, to structure-property relationships, materials with advanced properties and applications of bio-inspired polymers in such diverse fields as drug delivery, tissue engineering, optical materials and lightweight structural materials. Written and edited by leading experts on the topic, the book provides a comprehensive review and essential graduate level text on bio-inspired polymers for biochemists, materials scientists and chemists working in both industry and academia.

Handbook on the Physics and Chemistry of Rare Earths

Author :
Publisher : North Holland
ISBN 13 : 9780444634832
Total Pages : 0 pages
Book Rating : 4.6/5 (348 download)

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Book Synopsis Handbook on the Physics and Chemistry of Rare Earths by :

Download or read book Handbook on the Physics and Chemistry of Rare Earths written by and published by North Holland. This book was released on 2015-11-18 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Handbook on the Physics and Chemistry of Rare Earths is a continuous series of books covering all aspects of rare earth science, including chemistry, life sciences, materials science, and physics. The main emphasis of the handbook is on rare earth elements [Sc, Y and the lanthanides (La through Lu)], but whenever relevant, information is also included on the closely related actinide elements. The individual chapters are comprehensive, broad, up-to-date, critical reviews written by highly experienced invited experts. The series, which was started in 1978 by Professor Karl A. Gschneidner Jr., combines and integrates both the fundamentals and applications of these elements, now publishing two volumes a year.

Applications of Polyhedral Oligomeric Silsesquioxanes

Author : Claire Hartmann-Thompson
Publisher : Springer Science & Business Media
ISBN 13 : 904813787X
Total Pages : 440 pages
Book Rating : 4.0/5 (481 download)

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Book Synopsis Applications of Polyhedral Oligomeric Silsesquioxanes by : Claire Hartmann-Thompson

Download or read book Applications of Polyhedral Oligomeric Silsesquioxanes written by Claire Hartmann-Thompson and published by Springer Science & Business Media. This book was released on 2011-01-03 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt: The commercial availability and decreasing cost of polyhedral oligomeric silsesquioxanes in recent years has opened up the field to everybody who wishes to apply these unique properties in their own technologies. This is the first book to provide a comprehensive overview of these applications, and covers the synthesis, characterization and history of polyhedral oligomeric silsesquioxanes, their use as metallasilsesquioxane catalysts, their effect upon polymer properties and plastics performance, and their use in superhydrophobic nanocomposites, and electronics, energy, space and biomedical applications. "Applications of Polyhedral Oligomeric Silsesquioxanes" is a valuable reference for those working across a range of disciplines, including chemists, materials scientists, polymer physicists, plastics engineers, surface scientists, and anybody with a commercial or academic interest in plastics, composite materials, space materials, dental materials, tissue engineering, drug delivery, lithography, fuel cells, batteries, lubricants, or liquid crystal, LED, sensor, photovoltaic or biomedical devices.

Liquid Crystalline Rod-coil Block Copolymers by Stable Free Radical Polymerization

Author : Padma Gopalan
Publisher :
ISBN 13 :
Total Pages : 480 pages
Book Rating : 4.E/5 ( download)

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Book Synopsis Liquid Crystalline Rod-coil Block Copolymers by Stable Free Radical Polymerization by : Padma Gopalan

Download or read book Liquid Crystalline Rod-coil Block Copolymers by Stable Free Radical Polymerization written by Padma Gopalan and published by . This book was released on 2002 with total page 480 pages. Available in PDF, EPUB and Kindle. Book excerpt:

One-Dimensional Nanostructures

Author : Zhiming M Wang
Publisher : Springer Science & Business Media
ISBN 13 : 0387741321
Total Pages : 335 pages
Book Rating : 4.3/5 (877 download)

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Book Synopsis One-Dimensional Nanostructures by : Zhiming M Wang

Download or read book One-Dimensional Nanostructures written by Zhiming M Wang and published by Springer Science & Business Media. This book was released on 2008-07-20 with total page 335 pages. Available in PDF, EPUB and Kindle. Book excerpt: One-dimensional (1D) nanostructures, including nanowires, nanotubes and quantum wires, have been regarded as the most promising building blocks for nanoscale electronic and optoelectronic devices. This book presents exciting, state-of-the-art developments in synthesis and properties of 1D nanostructures with many kinds of morphologies and compositions as well as their considerable impact on spintronics, information storage, and the design of field-effect transistors.