Download or read book Formation and Deposition of Polymer Nanostructures on Surfaces written by Maria B. Wieland and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Formation and Deposition of Polymer Nanostructures on Surfaces written by Maria Wieland and published by . This book was released on 2015 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Ordered Polymeric Nanostructures at Surfaces written by G. Julius Vancso and published by Springer. This book was released on 2006-05-18 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt: With contributions by numerous experts

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.

Download or read book Thin Film Deposition of Conducting Polymers and Carbon Allotropes Via Interfacial Solution Processing and Evaporative Vapor Phase Polymerization written by Julio Marcelo D'Arcy and published by . This book was released on 2012 with total page 141 pages. Available in PDF, EPUB and Kindle. Book excerpt: A new solution processing technique is developed for depositing continuously conductive transparent thin films comprised of conducting polymer nanostructures. The deposition mechanism is driven by interfacial surface tension gradients leading to rapid directional fluid flow known as the Marangoni effect. This technique is a universal solution to thin film deposition for coating any type of substrate at ambient conditions within seconds. The versatility of this method of deposition is further explored utilizing Pickering emulsions of carbon allotropes to produce transparent conductive coatings. Film morphology and electrical properties of carbon nanotubes and sheets of both graphite oxide and chemically converted graphene are controlled by solution processing at the liquid/liquid interface. This dissertation reports on harnessing directional fluid flow to afford a simple and scalable thin film deposition technique for both organic and inorganic nanostructured semiconductors. Substrate directed thin film deposition is engineered by forming a liquid-liquid interface on the surface of a target substrate and is accomplished by matching the surface energy of a substrate to the surface tension of solvents utilized for emulsifying solid nanostructures. Flexible substrates such as poly(ethylene terephthalate) and polyvinyl chloride are coated directly by combining solid nanostructured semiconductors, water and a fluorocarbon. The extremely low surface tension of a fluorinated fluid leads to the wetting of plastics and provides a liquid layer on the surface of a plastic substrate that serves as an anchoring layer for attachment of solids and formation of a continuous and conductive thin film. Spreading is shown in a supplementary movie submitted with this dissertation. A new technique for the synthesis of poly(3,4-ethylenedioxythiophene) nanofibers by vapor polymerization of an aqueous droplet of iron(III) chloride without a template is also demonstrated. Nanofibers of high aspect ratio of this conducting polymer could only previously be synthesized with the aid of templating agents such as pre-electrospun nanofibers. Now, by inducing a constant contact area mode of evaporation, polymer morphology is controlled and vapor polymerization of an oxidant droplet results in a highly conductive, stable and robust thick film comprised of intrinsic one-dimensional vertically directed anisotropic nanostructures of high aspect ratio.

Download or read book Atomic Layer Deposition of Nanostructured Materials written by Nicola Pinna and published by John Wiley & Sons. This book was released on 2012-09-19 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt: Atomic layer deposition, formerly called atomic layer epitaxy, was developed in the 1970s to meet the needs of producing high-quality, large-area fl at displays with perfect structure and process controllability. Nowadays, creating nanomaterials and producing nanostructures with structural perfection is an important goal for many applications in nanotechnology. As ALD is one of the important techniques which offers good control over the surface structures created, it is more and more in the focus of scientists. The book is structured in such a way to fi t both the need of the expert reader (due to the systematic presentation of the results at the forefront of the technique and their applications) and the ones of students and newcomers to the fi eld (through the first part detailing the basic aspects of the technique). This book is a must-have for all Materials Scientists, Surface Chemists, Physicists, and Scientists in the Semiconductor Industry.

Download or read book Polymer Surfaces written by Valente Erasmo Silva and published by . This book was released on 2018 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Polymer surfaces having micro-nanostructures can be produced using injection molding and hot embossing, high efficiency techniques able to meet the needs of industry for the mass production of polymer parts. Micro-nanosurfaces are in great demand for multiple applications that include antipollution and self-cleaning surfaces, microlenses, dry adhesion surfaces, antireflection coatings, cell culturing and differentiation as well as superhydrophobic surfaces. Polymer Surfaces: Fabrication, Modification and Applications discusses the injection molding of micro-nanostructured polymer surfaces consists of three main technical steps: mold inserts, processing parameters and demolding. The authors also discuss the capabilities of various demolding methods, such as antistiction coatings, to protect and enhance the surface properties of micro-nanostructures. The subsequent contribution focuses on biocompatible and biodegradable hollow nanoparticles prepared via the layer-by-layer deposition of polymer thin films on sacrificial templates. The review encompasses all aspects of nanocapsules from preparation through characterization and the applications as drug carriers. A promising strategy is proposed for facilely and successively replicating randomly arranged pyramids on an etched silicon wafer to polystyrene surface. The authors propose that this fast and efficient replication strategy could be an excellent candidate for developing antireflective protective layers without complicated procedures and expensive materials. A promising strategy was proposed for facilely and successively replicating the natural functional nanostructure of the cicada wing onto polystyrene surfaces in the concluding study. This work may direct the design of gradient wetting surfaces by mimicking the nanopillar structure of cicada wing. This strategy could aid in mimicking bio-inspired functional micro/nanostructures without complicated procedures and expensive materials.

Download or read book Nanotechnology written by Lifeng Chi and published by John Wiley & Sons. This book was released on 2010-08-09 with total page 459 pages. Available in PDF, EPUB and Kindle. Book excerpt: This front line reference investigates nanostructured surfaces, invisible to the naked eye. Machinery and processes explained in a logical fashion. Students and professionals will benefit from the knowledge imparted by the prominent authors.

Download or read book Generating Micro and Nanopatterns on Polymeric Materials written by Aránzazu del Campo and published by John Wiley & Sons. This book was released on 2011-04-08 with total page 562 pages. Available in PDF, EPUB and Kindle. Book excerpt: New micro and nanopatterning technologies have been developed in the last years as less costly and more flexible alternatives to phtolithograpic processing. These technologies have not only impacted on recent developments in microelectronics, but also in emerging fields such as disposable biosensors, scaffolds for tissue engineering, non-biofouling coatings, high adherence devices, or photonic structures for the visible spectrum. This handbook presents the current processing methods suitable for the fabrication of micro- and nanostructured surfaces made out of polymeric materials. It covers the steps and materials involved, the resulting structures, and is rounded off by a part on applications. As a result, chemists, material scientists, and physicists gain a critical understanding of this topic at an early stage of its development.

Download or read book Polymer and Polymer Hybrid Nanoparticles written by Stanislav Rangelov and published by CRC Press. This book was released on 2013-08-28 with total page 504 pages. Available in PDF, EPUB and Kindle. Book excerpt: Polymeric and hybrid nanoparticles have received increased scientific interest in terms of basic research as well as commercial applications, promising a variety of uses for nanostructures in fields including bionanotechnology and medicine. Condensing the relevant research into a comprehensive reference, Polymer and Polymer-Hybrid Nanoparticles: From Synthesis to Biomedical Applications covers an array of topics from synthetic procedures and macromolecular design to possible biomedical applications of nanoparticles and materials based on original and unique polymers. The book presents a well-rounded picture of objects ranging from simple polymeric micelles to complex hybrid polymer-based nanostructures, detailing synthetic procedures, techniques for characterization and analysis, properties, and behavior in selective solvents and dispersions. Each chapter contains background and introductory information, summarizing generalities on the nanosystems being discussed. The chapters also describe representative works of experts and provide in-depth, focused discussions. The authors present current knowledge on the following topics: Designed synthesis of functional polymers Construction of block copolymer micellar and nonmicellar self-assembled structures Construction of organic–organic hybrid nanosized particles Construction of organic–inorganic hybrid nanoparticles and nanoassemblies The final chapter addresses biological applications of polymeric nanoparticles, including delivery of low-molecular-weight drugs, macromolecular drugs, imaging and diagnostics, and photodynamic therapy. Summarizing important developments in the field, the authors condense relevant research into a comprehensive resource.

Download or read book Surface Patterning with Colloidal Monolayers written by Nicolas Vogel and published by Springer Science & Business Media. This book was released on 2012-12-28 with total page 249 pages. Available in PDF, EPUB and Kindle. Book excerpt: How can the two dimensional crystallization of colloids be used to form highly ordered colloidal monolayers on solid substrates? What application does this have in generating arrays of nanostructures? These questions are addressed in Nicolas Vogel's thesis. Vogel describes a simple preparation method for the formation of uniform colloidal crystals over large areas, which he refines to yield more complex binary and non-close-packed arrangements. These monolayers can be applied to a process termed colloidal lithography which is used to prepare high quality metallic nanostructures with tailored properties defined to suit a variety of applications. Moreover, the author describes a method used to create metallic nanodot arrays with a resolution unprecedented for colloidal lithography methods. The author also outlines methodology to embed nanoparticle arrays into the substrate, which is developed and used to design robust, re-usable biosensor platforms and nanoscale patterns of biomimetic lipid bilayer membranes. The research in this thesis has led to a large number of publications in internationally renowned journals.

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.

Download or read book Conducting Polymers with Micro or Nanometer Structure written by Meixiang Wan and published by Springer Science & Business Media. This book was released on 2009-03-15 with total page 307 pages. Available in PDF, EPUB and Kindle. Book excerpt: Conducting Polymers with Micro or Nanometer Structure describes a topic discovered by three winners of the Nobel Prize in Chemistry in 2000: Alan J. Heeger, University of California at Santa Barbara, Alan G. MacDiarmid at the University of Pennsylvania, and Hideki Shirakawa at the University of Tsukuba. Since then, the unique properties of conducting polymers have led to promising applications in functional materials and technologies. The book first briefly summarizes the main concepts of conducting polymers before introducing micro/nanostructured conducting polymers dealing with their synthesis, structural characterizations, formation mechanisms, physical and chemical properties, and potential applications in nanomaterials and nanotechnology. The book is intended for researchers in the related fields of chemistry, physics, materials, nanomaterials and nanodevices. Meixiang Wan is a professor at the Institute of Chemistry, Chinese Academy of Sciences, Beijing.

Download or read book Chemical Vapor Deposition of Functional and Conformal Polymer Thin Films for the Formation and Modification of Nanostructures written by Priya Moni and published by . This book was released on 2018 with total page 167 pages. Available in PDF, EPUB and Kindle. Book excerpt: Autonomous mini- and microscale devices require the miniaturization of component devices such as on board integrated circuits (ICs) and electrochemical power sources. A paradigm shift to micro/nanostructured 3D geometries can enable high device performance within a small areal footprint. Fabrication of such devices requires processes to form structures in a material of interest and subsequently modify the structure with additional functional materials. This thesis explores the chemical vapor deposition (CVD) of polymer thin films to enable both the formation and modification of nanostructures. The CVD method allows for simultaneous polymer synthesis and thin film formation. The broad range of applications studied in this thesis all benefit from the single-step, in-situ control of the final polymer functionality and thin film properties enabled by the CVD of polymers. The first portion of this thesis studies the formation of nanostructures for ICs via the directed self-assembly (DSA) of block copolymers (BCPs). Initiated CVD (iCVD) is used to form cross-linked poly(divinyl benzene) (pDVB) films that control the orientation of self-assembled BCPs. The cross-linking mechanism of pDVB is first ascertained to form durable films. In-situ chemical modification of iCVD pDVB is then used to tune the final orientation of the selfassembled BCP film. A conformal iCVD pDVB film is then integrated into existing DSA processes to yield a nano-template that could be used to fabricate nanostructured ICs. The second portion of this thesis studies the modification of nanostructures by active and supporting materials used in electrochemical power systems. The iCVD process is used to develop conformal, solid polymer electrolytes, a supporting material for solid state lithium ion batteries. Out of several multi-vinyl cyclic chemistries, poly(tetravinyltetramethylcyclotetrasiloxane) (pV4D4) films displayed the highest ionic conductivity (10-7 S cm-1) and high conformality. Active materials for supercapacitors were developed using the oxidative chemical vapor deposition (oCVD) of conductive polymers. The oCVD process was used to control the crystallographic texture of poly(3,4-ethylenedioxythiophene) (PEDOT) thin films. Edge-on texture maximized the pseudocapacitive charge storage of this material. Conformal PEDOT thin films on micro-structured current collectors enabled higher energy densities in a high power, asymmetric supercapacitor.

Download or read book Conjugated Polymer Nanostructures for Energy Conversion and Storage Applications written by Srabanti Ghosh and published by John Wiley & Sons. This book was released on 2021-03-22 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt: A timely overview of fundamental and advanced topics of conjugated polymer nanostructures Conjugated Polymer Nanostructures for Energy Conversion and Storage Applications is a comprehensive reference on conjugated polymers for energy applications. Distinguished academic and editor Srabanti Ghosh offers readers a broad overview of the synthesis, characterization, and energy-related applications of nanostructures based on conjugated polymers. The book includes novel approaches and presents an interdisciplinary perspective rooted in the interfacing of polymer and synthetic chemistry, materials science, organic chemistry, and analytical chemistry. This book provides complete descriptions of conjugated polymer nanostructures and polymer-based hybrid materials for energy conversion, water splitting, and the degradation of organic pollutants. Photovoltaics, solar cells, and energy storage devices such as supercapacitors, lithium ion battery electrodes, and their associated technologies are discussed, as well. Conjugated Polymer Nanostructures for Energy Conversion and Storage Applications covers both the fundamental topics and the most recent advances in this rapidly developing area, including: The design and characterization of conjugated polymer nanostructures, including the template-free and chemical synthesis of polymer nanostructures Conjugated polymer nanostructures for solar energy conversion and environmental protection, including the use of conjugated polymer-based nanocomposites as photocatalysts Conjugated polymer nanostructures for energy storage, including the use of nanocomposites as electrode materials The presentation of different and novel methods of utilizing conjugated polymer nanostructures for energy applications Perfect for materials scientists, polymer chemists, and physical chemists, Conjugated Polymer Nanostructures for Energy Conversion and Storage Applications also belongs on the bookshelves of organic chemists and any other practicing researchers, academics, or professionals whose work touches on these highly versatile and useful structures.

Download or read book Dekker Encyclopedia of Nanoscience and Nanotechnology written by James A. Schwarz and published by CRC Press. This book was released on 2004 with total page 974 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Thin Films and Coatings in Biology written by Soroush Nazarpour and published by Springer Science & Business Media. This book was released on 2013-08-15 with total page 367 pages. Available in PDF, EPUB and Kindle. Book excerpt: The surface of materials is routinely exposed to various environmental influences. Surface modification presents a technological challenge for material scientists, physicists, and engineers, particularly when those surfaces are subjected to function within human body environment. This book provides a comprehensive coverage of the major issues and topics dealing with interaction of soft living matter with the surface of implants. Fundamental scientific concepts are embedded through experimental data and a broad range of case studies. First chapters cover the basics on biocompatibility of many different thin films of metals, alloys, ceramics, hydrogels, and polymers, following with case studies dealing with orthopedic and dental coatings. Next, a novel and low-cost coating deposition technique capable of production of several types of nanostructures is introduced through simple calculations and several illustrations. Moreover, chapter 6 and 7 present important topics on surface treatment of polymers, which is a subject that has seen many developments over the past decade. The last chapters target mainly the applications of coatings in biology such as in bio-sensing, neuroscience, and cancer detection. With several illustrations, micrographs, and case studies along with suitable references in each chapter, this book will be essential for graduate students and researchers in the multidisciplinary field of bio-coatings.