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Author : Georg Krausch
Publisher :
ISBN 13 :
Total Pages : 94 pages
Book Rating : 4.:/5 (348 download)
Download or read book Surface Induced Self Assembly in Thin Polymer Films written by Georg Krausch and published by . This book was released on 1995 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ophelia Kwan Chui Tsui
Publisher : World Scientific
ISBN 13 : 9812818820
Total Pages : 312 pages
Book Rating : 4.8/5 (128 download)
Download or read book Polymer Thin Films written by Ophelia Kwan Chui Tsui and published by World Scientific. This book was released on 2008 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ch. 1. Block copolymer thin films / J.-Y. Wang, S. Park and T. P. Russell -- ch. 2. Equilibration of block copolymer films on chemically patterned surfaces / G. S. W. Craig, H. Kang and P. F. Nealey -- ch. 3. Structure formation and evolution in confined cylinder-forming block copolymers / G. J. A. Sevink and J. G. E. M. Fraaije -- ch. 4. Block copolymer lithography for magnetic device fabrication / J. Y. Cheng and C. A. Ross -- ch. 5. Hierarchical structuring of polymer nanoparticles by self-organization / M. Shimomura ... [et al.] -- ch. 6. Wrinkling polymers for surface structure control and functionality / E. P. Chan and A. J. Crosby -- ch. 7. Crystallization in polymer thin films: morphology and growth / R. M. Van Horn and S. Z. D. Cheng -- ch. 8. Friction at soft polymer surface / M. K. Chaudhury, K. Vorvolakos and D. Malotky -- ch. 9. Relationship between molecular architecture, large-strain mechanical response and adhesive performance of model, block copolymer-based pressure sensitive adhesives / C. Creton and K. R. Shull -- ch. 10. Stability and dewetting of thin liquid films / K. Jacobs, R. Seemann and S. Herminghaus -- ch. 11. Anomalous dynamics of polymer Films / O. K. C. Tsui.
Author : Dmitry Volodkin
Publisher : MDPI
ISBN 13 : 3039285068
Total Pages : 186 pages
Book Rating : 4.0/5 (392 download)
Download or read book Self-Assembly of Polymers written by Dmitry Volodkin and published by MDPI. This book was released on 2020-04-22 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nowadays, polymer self-assembly has become extremely attractive for both biological (drug delivery, tissue engineering, scaffolds) and non-biological (packaging, semiconductors) applications. In nature, a number of key biological processes are driven by polymer self-assembly, for instance protein folding. Impressive morphologies can be assembled from polymers thanks to a diverse range of interactions involved, e.g., electrostatics, hydrophobic, hots-guest interactions, etc. Both 2D and 3D tailor-made assemblies can be designed through modern powerful techniques and approaches such as the layer-by-layer and the Langmuir-Blodgett deposition, hard and soft templating. This Special Issue highlights contributions (research papers, short communications, review articles) that focus on recent developments in polymer self-assembly for both fundamental understanding the assembly phenomenon and real applications.
Author : Juan Rodríguez-Hernández
Publisher : Elsevier Inc. Chapters
ISBN 13 : 012809088X
Total Pages : 108 pages
Book Rating : 4.1/5 (28 download)
Download or read book Nanostructured Polymer Blends written by Juan Rodríguez-Hernández and published by Elsevier Inc. Chapters. This book was released on 2013-11-28 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt: The design of polymer blends constitutes an interesting alternative to obtaining micro- and nanostructured surfaces. The cost is reasonable and it is free from time-consuming procedures. Blending of polymers can yield materials with unprecedented properties that cannot be provided otherwise by using a single polymer. The free surface topography of polymer blend films, often related to phase domain structure, is critical to the applications. Two main aspects need to be considered in the preparation of multistructured blends: the interfaces involved and the morphology to be obtained. The control of these two aspects depends further on materials-related parameters involving the composition of the blend, the interfacial tension or viscosity ratio, and the processing conditions related to the temperature, time, or intensity of mixing, among others. Both domain structure and topography of the blend films have garnered increasing interest over the past decade. This chapter describes the nanomicrostructures formed at the polymer surface from polymer blends. Despite the crucial role that surfaces play in the final application of the material, up to now most of the studies concerning polymer blends have been related to the control of the mechanical properties (toughness, stiffness, thermal expansion, etc.), their barrier properties, or the electrical conductivity. This chapter focuses on the analysis of the structured polymer surfaces and thin films, giving an overview of the role of these structures on the final application. The principles of phase separation and the resulting structures formed are briefly discussed, followed by a wide overview of the possibilities of producing stimuli-responsive interfaces by introducing, among other things, pH- or temperature-responsive polymers within the blend. Finally, we look at how using particular preparation conditions and/or self-assembly of block copolymers, the formation of films and surfaces with hierarchical order length-scales can be induced. We also examine the main areas in which multiscale-ordered interfaces obtained from polymer blends have been applied.
Author : Juan Rodríguez-Hernández
Publisher : Springer
ISBN 13 : 3319174312
Total Pages : 291 pages
Book Rating : 4.3/5 (191 download)
Download or read book Polymer Surfaces in Motion written by Juan Rodríguez-Hernández and published by Springer. This book was released on 2015-08-03 with total page 291 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pattern formation is a fascinating and challenging aspect in polymer science. This book describes a number of unconventional approaches developed to control the morphology of polymer surfaces and materials, from random or simple patterns to complex structures. Specialists provide an up-to-date and complete overview of each technique in their respective field.
Author : Feng Li
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (851 download)
Download or read book Self-assembled Thin Polymer Film Used for Sensing Application written by Feng Li and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Polymer thin films have played an important role in our everyday lives ranging from industrial to biomedical applications. In this thesis, two major topics based on polymer thin films including photopolymerized self-assembled monolayer and nanoporous thin films derived from diblock copolymer are discussed. In the first part of this thesis, a well-packed self-assembled monolayer with phosphonic acid as head group and diacetylenic functional group in the tail formed on AlGaN/GaN surface. According to water contact angle and UV/Vis absorption spectroscopy data, the stability of this self assembled monolayer on oxidized AlGaN/ GaN surface can be improved by photopolymerization of SAMs. The photopolymerization efficiency of the SAMs is effected by the position of polymerization functional group in the alkyl chain. In the second part of this thesis, PS-b-PMMA diblock copolymer thin films were prepared, characterized and applied as a template for electron transfer efficiency determination. The surface COOH group in nanoporous thin films derived from PS-b-PMMA were modified with ferrocene redox moieties having different linker lengths in the organic phase. The surface functionalization efficiency was quantitatively assessed by measuring the monovalent probe cations released from the surface COOH groups via cation-exchange processes using highly- sensitive analytical techniques including spectrofluorometry and inductively coupled plasma mass spectrometry (ICP-MS). The surface coverage of the redox moieties is an important parameter to determine the electron hopping efficiency. The electron propagation resulted from electron hopping across relatively large spacing that was controlled by the motion of anchored redox sites. The longer linker led to the larger physical displacement range of anchored ferrocene moieties, facilitating the approach of the adjacent ferrocene moieties within a distance required for electron self-exchange reaction. Faradic currents originating from redox-involved electron hopping through the ferrocene moieties anchored onto the insulator surface decreased with increasing the concentration of beta-cyclodextrin ([beta]-CD) in aqueous solution. The current could be recovered by adding redox-inactive guest molecules of [beta]-CD to the solution.
Download or read book Self-Assembly by Phase Separation in Polymer Thin Films written by and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Roel Gronheid
Publisher : Woodhead Publishing
ISBN 13 : 0081002610
Total Pages : 328 pages
Book Rating : 4.0/5 (81 download)
Download or read book Directed Self-assembly of Block Co-polymers for Nano-manufacturing written by Roel Gronheid and published by Woodhead Publishing. This book was released on 2015-07-17 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt: The directed self-assembly (DSA) method of patterning for microelectronics uses polymer phase-separation to generate features of less than 20nm, with the positions of self-assembling materials externally guided into the desired pattern. Directed self-assembly of Block Co-polymers for Nano-manufacturing reviews the design, production, applications and future developments needed to facilitate the widescale adoption of this promising technology. Beginning with a solid overview of the physics and chemistry of block copolymer (BCP) materials, Part 1 covers the synthesis of new materials and new processing methods for DSA. Part 2 then goes on to outline the key modelling and characterization principles of DSA, reviewing templates and patterning using topographical and chemically modified surfaces, line edge roughness and dimensional control, x-ray scattering for characterization, and nanoscale driven assembly. Finally, Part 3 discusses application areas and related issues for DSA in nano-manufacturing, including for basic logic circuit design, the inverse DSA problem, design decomposition and the modelling and analysis of large scale, template self-assembly manufacturing techniques. Authoritative outlining of theoretical principles and modeling techniques to give a thorough introdution to the topic Discusses a broad range of practical applications for directed self-assembly in nano-manufacturing Highlights the importance of this technology to both the present and future of nano-manufacturing by exploring its potential use in a range of fields
Author : Wolfgang Knoll
Publisher : John Wiley & Sons
ISBN 13 : 3527638490
Total Pages : 1107 pages
Book Rating : 4.5/5 (276 download)
Download or read book Functional Polymer Films, 2 Volume Set written by Wolfgang Knoll and published by John Wiley & Sons. This book was released on 2013-02-12 with total page 1107 pages. Available in PDF, EPUB and Kindle. Book excerpt: Very thin film materials have emerged as a highly interesting and useful quasi 2D-state functionality. They have given rise to numerous applications ranging from protective and smart coatings to electronics, sensors and display technology as well as serving biological, analytical and medical purposes. The tailoring of polymer film properties and functions has become a major research field. As opposed to the traditional treatise on polymer and resin-based coatings, this one-stop reference is the first to give readers a comprehensive view of the latest macromolecular and supramolecular film-based nanotechnology. Bringing together all the important facets and state-of-the-art research, the two well-structured volumes cover film assembly and depostion, functionality and patterning, and analysis and characterization. The result is an in-depth understanding of the phenomena, ordering, scale effects, fabrication, and analysis of polymer ultrathin films. This book will be a valuable addition for Materials Scientists, Polymer Chemists, Surface Scientists, Bioengineers, Coatings Specialists, Chemical Engineers, and Scientists working in this important research field and industry.
Author : Adriana Zaleska-Medynska
Publisher : Elsevier
ISBN 13 : 0128116331
Total Pages : 372 pages
Book Rating : 4.1/5 (281 download)
Download or read book Metal Oxide-Based Photocatalysis written by Adriana Zaleska-Medynska and published by Elsevier. This book was released on 2018-04-09 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt: Metal Oxide-Based Photocatalysis: Fundamentals and Prospects for Application explains the principles and fundamentals of metal oxide-based photocatalysis and the requirements necessary for their use in photocatalysis. It also discusses preparation methods for photocatalysis, and the advantages, disadvantages and achievements of the most important metal oxides (TiO2, ZnO, Fe2O3, Ta2O3, CuO, NiO, Cr2O3, RuO2, etc.). The book concludes with the most important photocatalytic applications and an overview of the future. Applications are organized by potential needs and solutions, addressing such areas as water treatment, hydrogen production, air treatment, chemical synthesis, and applications in medicine and construction. Provides coverage of applications, presenting needs and solutions Covers essential applications, such as water treatment, hydrogen production, air depollution, medical applications, and much more Includes the characterization of the most important metal oxides used in heterogeneous photocatalysis
Author : Sabu Thomas
Publisher : Elsevier
ISBN 13 : 0323907792
Total Pages : 690 pages
Book Rating : 4.3/5 (239 download)
Download or read book Polymer-Based Nanoscale Materials for Surface Coatings written by Sabu Thomas and published by Elsevier. This book was released on 2023-05-10 with total page 690 pages. Available in PDF, EPUB and Kindle. Book excerpt: Polymer-Based Nanoscale Materials for Surface Coatings presents the latest advances and emerging technologies in polymer-based nanomaterials for coatings, focusing on novel materials, characterization techniques, and cutting-edge applications. Sections present the fundamentals of surface preparation and nanocoatings, linking materials and properties, explaining the correlation between morphology, surface phenomena, and surface protection mechanism, and covering theory, modeling and simulation. Other presented topics cover characterization methods, with an emphasis on the latest developments in techniques and approaches. Aging and lifecycle assessment of coated surfaces and coatings are also discussed.Final sections explore advanced applications across a range of fields, including intelligent coatings for biomedical implants, self-healing coatings, syper-hydrophobicity, electroluminescence, sustainable edible coatings, marine antifouling, corrosion resistance, and photocatalytic coatings. Explains the fundamentals of coatings and surface protection, mechanisms, materials and properties, and modeling and simulation Presents detailed information on the latest characterization techniques to prepare nanoscale polymer coatings with enhanced properties Explores a broad range of state-of-the-art applications and considers aging and lifecycle assessments of coatings
Author : P.M. Visakh
Publisher : Woodhead Publishing
ISBN 13 : 0081004273
Total Pages : 344 pages
Book Rating : 4.0/5 (81 download)
Download or read book Recent Developments in Polymer Macro, Micro and Nano Blends written by P.M. Visakh and published by Woodhead Publishing. This book was released on 2016-08-24 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent Developments in Polymer Macro, Micro and Nano Blends: Preparation and Characterisation discusses the various types of techniques that are currently used for the characterization of polymer-based macro, micro, and nano blends. It summarizes recent technical research accomplishments, emphasizing a broad range of characterization methods. In addition, the book discusses preparation methods and applications for various types of polymer-based macro, micro, and nano blends. Chapters include thermoplastic-based polymer & nano blends, applications of rubber based and thermoplastic blends, micro/nanostructures polymer blends containing block copolymers, advances in polymer-inorganic hybrids as membrane materials, synthesis of polymer/inorganic hybrids through heterophase polymerizations, nanoporous polymer foams from nanostructured polymer blends, and natural polymeric biodegradable nano blends for protein delivery. Describes the techniques pertaining to a kind (or small number) of blends, showing specific examples of their applications Covers micro, macro, and nano polymer blends Contains contributions from leading experts in the field
Author : Yujie Liu
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (93 download)
Download or read book ULTRA-THIN POLYMER FILMS AND HIERARCHICAL COMPOSITES written by Yujie Liu and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Properties and fabrications of ultra-thin polymer films and hierarchical composites are of great interest in packaging, electronics, separations, and other manufacturing fields. However, due to the inherently fragile nature of ultra-thin polymer films, measuring their properties has proven difficult. Additionally, variables controlling thin polymer patterns (e.g. substrate wetting property) and composites (weight percent of particulates in matrix) formation have not been fundamentally well understood. Within this spectrum, fundamental understanding of formation mechanisms of these patterns and composites are needed. Additionally, a new characterization technique is required to be able to measure the mechanical properties of fabricated composites and thin films. The pattern (Chapter 2) and composite (Chapter 3) formation presented in this thesis is based upon flexible blade flow-coating, an evaporative self-assembly method. The impact of substrate wetting, varying from being hydrophobic (water advancing contact angle 113°) to hydrophilic (water advancing contact angle 27°), on polymer pattern formation is examined here (Chapter 2). We observe a variety of polystyrene structures including dots, hyper-branched patterns, stripes and lines that can be deposited on substrates with a range of wetting properties. We propose the mechanism for these pattern formations as a balance between Marangoni instability and solute absorption. When adding quantum dot nanoparticles into the polymer (poly(methyl methacrylate) solution in the flow-coating process on hydrophilic substrates, we could obtain free-standing hierarchical nanocomposite films with alternating line and film structures (Chapter 3). The ability to guide assemblies of nanoparticles and polymers in designated areas in one step via flow-coating, provides new understanding of the flow competition of mixing two components which are both on the nanometer scale. Additionally, we introduce a method designated for ultra-thin film tensile testing (Chapter 4). We demonstrate the capability of this method by stretching two-dimensionally macroscopic, yet nanoscopically thin, polymer films on the surface of water. Through laser tracking of the force and displacement on the film, we characterize the full stress-strain response of brittle (polystyrene), ductile (polycarbonate), and rubbery (cross-linked polydimethylsiloxane) polymer thin films. In the brittle (polystyrene) films, we observe a precipitous decrease in mechanical properties (Young's modulus, strain at failure, and nominal stress at failure) for film thicknesses approaching the size of an individual polymer chain (~ 25 nm) yielding insights into polymer chain entanglement theory. To verify our hypothesis in polymer chain entanglement theory for determining failure properties of thin polymer films, we further study the molecular weight effect (853, 490, 137 and 61.8 kg/mol) of polystyrene on failure properties (Chapter 5). We compare maximum tensile strain, maximum tensile stress, and modulus respectively as a function of molecular weight as well as film thickness. We support our hypothesis on polymer inter-chain entanglements theory in thin polymer films by this molecular weight study. This thesis provides direct measurements of failure properties of ultra-thin films. These findings have important implications for the design of materials used in wide range of applications, as well as for the pursuit of new fundamental understanding of polymer physics in confined states.
Author : Maurice Kléman
Publisher : John Wiley & Sons
ISBN 13 :
Total Pages : 364 pages
Book Rating : 4.3/5 (91 download)
Download or read book Points, Lines, and Walls written by Maurice Kléman and published by John Wiley & Sons. This book was released on 1983 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Masahiro Irie
Publisher : Springer Science & Business Media
ISBN 13 : 4431542914
Total Pages : 298 pages
Book Rating : 4.4/5 (315 download)
Download or read book New Frontiers in Photochromism written by Masahiro Irie and published by Springer Science & Business Media. This book was released on 2013-05-27 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt: Photochromism is the reversible phototransformation of a chemical species between two forms having different absorption spectra. During the phototransformation not only the absorption spectra but also various physicochemical properties change, such as the refractive index, dielectric constant, oxidation/reduction potential, and geometrical structure. The property changes can be applied to photonic equipment such as erasable memory media, photo-optical switch components, and display devices. This book compiles the accomplishments of the research project titled “New Frontiers in Photochromism” supported by the Ministry of Education, Culture, Sports, Science and Technology of Japan. The project focused not only on the above-mentioned classical subjects in photochromism, such as color changes, optical memory, and optical switches, but also on fundamental physicochemical studies and unprecedented application fields that have not yet been explored in photochromism. The latter topics include light-driven mechanical motion, photocontrol of surface wettability, metal deposition on solid materials, photocontrol of chiral properties, ultrafast decoloration dyes, and femtosecond laser experiments, among others.
Author : Abraham Ulman
Publisher : Elsevier
ISBN 13 : 1483288897
Total Pages : 415 pages
Book Rating : 4.4/5 (832 download)
Download or read book Organic Thin Films and Surfaces: Directions for The Nineties written by Abraham Ulman and published by Elsevier. This book was released on 2013-10-22 with total page 415 pages. Available in PDF, EPUB and Kindle. Book excerpt: Physics of Thin Films has been one of the longest running continuing series in thin film science consisting of 20 volumes since 1963. The series contains some of the highest quality studies of the properties ofvarious thin films materials and systems.In order to be able to reflect the development of todays science and to cover all modern aspects of thin films, the series, beginning with Volume 20, will move beyond the basic physics of thin films. It will address the most important aspects of both inorganic and organic thin films, in both their theoretical as well as technological aspects. Therefore, in order to reflect the modern technology-oriented problems, the title has been slightly modified from Physics of Thin Films to Thin Films.Edited by Abraham Ulman, Organic Thin Films and Surfaces: Directions for the Nineties will be the first volume to link two dynamic areas in the physical sciences--organic thin films and surface science. Contributions from leading experts in the field cover a range of important topics on the processing, characterization, and applications of organic thin films.
Author : Klaus R. Mecke
Publisher : Springer
ISBN 13 : 3540457828
Total Pages : 452 pages
Book Rating : 4.5/5 (44 download)
Download or read book Morphology of Condensed Matter written by Klaus R. Mecke and published by Springer. This book was released on 2008-01-11 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt: The morphology of spatially stuctured materials is a rapidly growing field of research at the interface of statistical physics, applied mathematics and materials science. A wide spectrum of applications encompasses the flow through porous and composite materials as well as microemulsions and foams. Written as a set of lectures and tutorial reviews leading up to the forefront of research, this book will be both a compendium for the experienced researcher as well as a high level introductory text for postgraduate students and nonspecialist researchers working in related areas.
