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Author : Tobias Niko Krauss
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (118 download)
Download or read book Directed Self Assembly of Organic Semiconductors in Different Dimensionalities written by Tobias Niko Krauss and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Nisha Verma
Publisher :
ISBN 13 :
Total Pages : 252 pages
Book Rating : 4.:/5 (865 download)
Download or read book Synthesis, Properties and Supramolecular Self-assembly of Novel N-type Organic Semiconductors written by Nisha Verma and published by . This book was released on 2013 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : James Francis Hulvat
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (561 download)
Download or read book Nanoscale Templating and Self-assembly of Organic Semiconductors written by James Francis Hulvat and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Improvements in organic electronic materials could lead to novel device applications, ranging from large-area, flexible displays to light weight, plastic electronics. Progress on these applications would benefit from development of low-cost, aqueous, solution-based fabrication techniques for organic semiconductors. Supramolecular self-assembly enables molecules to organize in complex structures through non-covalent interactions. The nanoscale structure and aggregation of organic semiconductors influence conductivity, charge mobility and luminescence. We developed three approaches to enhance the performance of organic semiconductors through molecular self-assembly. The first uses a liquid crystalline (LC) template to mediate electrochemical polymerization of poly(3,4-ethyldioxythiophene) (PEDOT), a conducting polymer used for hole injection in organic light emitting diodes (OLED). Monomers were polymerized in the cylindrical, hydrophobic cores of a hexagonal, lyotropic LC formed by a non-ionic amphiphile in water, The templated, conducting polymer films exhibited anisotropic optical properties and increased conductivity as a direct result of the nanoscale, self-organized structure of the template. Another approach was used to control molecular order by preparing organic semiconductors that are themselves liquid crystalline. We developed a novel series of triblock oligo(phenylene vinylene) (OPV) amphiphiles that form thermotropic and lyotropic LC mesophases. The self-organized, layered structure of these mesophases influences aggregation of OPV, enhancing fluorescence in the liquid crystalline state compared with disordered films. These OPV-amphiphiles are the first example of a water-soluble oligo(phenylene vinylene) that can self-organize into aligned, well-ordered, highly fluorescent films. In a third system, a triblock, dendron rod-coil (DRC) molecule containing a quaterthiophene segment was prepared and its self-assembly and electronic properties investigated. In non-polar solvents, this molecule formed high aspect ratio, supramolecular nanowires containing stacked oligo(thiophene) segments. These self-assembled nanowires formed conductive films that were aligned by an electric field. Using these three systems, we demonstrate how nanoscale templating and self-assembly can enhance the performance of thiophene- and phenylene vinylene-based organic semiconductors.
Author : Katsuhiko Ariga
Publisher : Elsevier
ISBN 13 : 0323994733
Total Pages : 648 pages
Book Rating : 4.3/5 (239 download)
Download or read book Materials Nanoarchitectonics written by Katsuhiko Ariga and published by Elsevier. This book was released on 2023-12-15 with total page 648 pages. Available in PDF, EPUB and Kindle. Book excerpt: Materials Nanoarchitectonics: From Integrated Molecular Systems to Advanced Devices provides the latest information on the design and molecular manipulation of self-organized hierarchically structured systems using tailor-made nanoscale materials as structural and functional units. The book is organized into three main sections that focus on molecular design of building blocks and hybrid materials, formation of nanostructures, and applications and devices. Bringing together emerging materials, synthetic aspects, nanostructure strategies, and applications, the book aims to support further progress, by offering different perspectives and a strong interdisciplinary approach to this rapidly growing area of innovation. This is an extremely valuable resource for researchers, advanced students, and scientists in industry, with an interest in nanoarchitectonics, nanostructures, and nanomaterials, or across the areas of nanotechnology, chemistry, surface science, polymer science, electrical engineering, physics, chemical engineering, and materials science. Offers a nanoarchitectonic perspective on emerging fields, such as metal-organic frameworks, porous polymer materials, or biomimetic nanostructures Discusses different approaches to utilizing "soft chemistry" as a source for hierarchically organized materials Offers an interdisciplinary approach to the design and construction of integrated chemical nano systems Discusses novel approaches towards the creation of complex multiscale architectures
Author : Ming-Hua Chang
Publisher :
ISBN 13 :
Total Pages : 280 pages
Book Rating : 4.:/5 (31 download)
Download or read book Organic Semiconductor Nanostructures Based on Supramolecular Self-assembly written by Ming-Hua Chang and published by . This book was released on 2008 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Wei Zheng
Publisher :
ISBN 13 :
Total Pages : 288 pages
Book Rating : 4.:/5 (319 download)
Download or read book Assembly and Packaging of Functional Heterogeneous Microsystems by Directed Three-dimensional Self-assembly written by Wei Zheng and published by . This book was released on 2007 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Alexander Buyanin
Publisher :
ISBN 13 :
Total Pages : 98 pages
Book Rating : 4.:/5 (994 download)
Download or read book Nanoscale Properties of Low-Dimensional Crystalline Organic Semiconductor Films written by Alexander Buyanin and published by . This book was released on 2016 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt: The self-assembly and optoelectronic properties of model crystalline organic semiconductor films was studied by atomic force microscopy (AFM) techniques. Small molecule organic semiconductors serve as model systems for the active materials in organic electronic devices. Applications such as organic solar cells and light-emitting diodes rely on organic polymers and small molecules for their properties but the performance of these organic devices could still yet be improved compared to the inorganic-based devices. The aim of this work is to study different structure-property relationships in model organic systems to gain a better understanding for designing organic electronic material. Other spectroscopic and structural techniques are used to complement the spatial mapping capability of AFM, providing a more comprehensive view of the fundamental processes governing organic semiconductor films. First, self-assembled oligothiophenes with different surface functionalization are studied for the role humidity has on the electronic properties of a monolayer film. In-situ AFM and x-ray photoelectron spectroscopy (XPS) show that the water vapor is found to change the electronic properties of films with hydrophilic surface termination groups leaving hydrophobic films unaffected. Next, different indigo small molecules are self-assembled at the air-water interface into crystalline structures. The role of intermolecular interactions is found to play a critical role in the indigo crystal morphology. The self-assembled indigo crystals are studied by photoluminescence (PL) spectroscopy revealing the presence of H-aggregate formation during self-assembly. Further studies of the electronic properties of the indigo crystal films are performed using electrical AFM techniques and field-effect transistors. Finally, a scheme for the fabrication of flat field-effect transistors using graphene photolithography is presented. Graphene field-effect transistors are fabricated and tested providing a platform to study more accurately thin organic semiconducting films. This dissertation demonstrates the advantage of studying model systems of organic semiconductors with nanoscale precision with the aim of designing better performing organic electronic devices.
Author : He Yi
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (91 download)
Download or read book Directed Self-assembly for Nanofabrication and Device Integration written by He Yi and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: For more than 50 years, the size of the semiconductor devices has been scaling by approximately a factor of two every 1.5-2 years. This has brought tremendous benefits for the industry including lower cost per transistor, more computing power and higher speed. However, it has been recently observed that the scaling of devices is approaching fundamental (i.e. atomic scale) and economic (i.e. cost per fabrication facility) limits, in large part because traditional lithography is facing substantial challenges for printing the shrinking features while maintaining a reasonable cost. In response to this urgent need, researchers are actively searching for alternative patterning approaches as the next generation lithography. Potential solutions such as extreme ultraviolet lithography, electron beam lithography, and multiple patterning lithography have attracted much attention from the lithography community. However, each one of these solutions has its own drawbacks, such as extremely high cost or low throughput. Among these solutions, block copolymer directed self-assembly (DSA) stands out due to its low cost, high throughput, well-controlled sub-20 nm features, and experimentally demonstrated potential to scale below 14 nm. Block copolymers are unique soft materials that can self-assemble through microphase separation into various periodic nanostructures such as cylinders, spheres and lamellas, driven by the incompatibility between the different blocks. The feature size of these nanostructures is dependent on the molecular weight of the block copolymers and therefore not limited by the same factors that limit optical lithography such as ultraviolet light wavelength. In addition, the self-assembly could be controlled by a simple thermal annealing process, which significantly reduces the cost and improves the throughput. Among all the varieties of nanostructures, the cylindrical self-assembled patterns are especially suitable for patterning contacts and vias in integrated circuits (ICs). This dissertation focuses on the application of block copolymer DSA for contact hole patterning in ICs. This work first demonstrates the flexible control of aperiodic DSA patterns using small physical guiding templates, using both experiments and computational simulations. This is followed by the first patterning example of memory and random logic circuit contacts using DSA. To enable practical technology adoption, I introduce an alphabet approach that uses a minimal set of small physical templates to pattern all contact configurations on integrated circuits. This work also illustrates, through experiments, a general and scalable template design strategy that links the DSA material properties to the technology node requirements. Last but not least, the dissertation introduces a method to reduce DSA defectivity by using sub-DSA-resolution Assist Features (SDRAFs).
Author : Mihai Irimia-Vladu
Publisher : John Wiley & Sons
ISBN 13 : 3527338659
Total Pages : 348 pages
Book Rating : 4.5/5 (273 download)
Download or read book Green Materials for Electronics written by Mihai Irimia-Vladu and published by John Wiley & Sons. This book was released on 2017-12-04 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt: Combining the materials science, technological, and device aspects of organic bioelectronics based on green materials, this is the first overview of the emerging concepts involving fabrication techniques for sustainable electronics with low energy and material consumption. With contributions from top-notch editors and authors, in one focus, the book covers a collection of natural materials suited for electronics applications such as paper, silk, melanin, DNA and nucleobases, resins, gums, saccharides, cellulose, gelatine and peptides. In another thrust, the book focuses on device fabrication based on these materials, including processing aspects, and applications such as sensors, signal transducers, transient, implantable and digestible electronics. With its interdisciplinary approach this text will appeal to the chemistry, physics, materials science, and engineering communities.
Author : Yongfang Li
Publisher : Springer
ISBN 13 : 3319168622
Total Pages : 402 pages
Book Rating : 4.3/5 (191 download)
Download or read book Organic Optoelectronic Materials written by Yongfang Li and published by Springer. This book was released on 2015-05-30 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume reviews the latest trends in organic optoelectronic materials. Each comprehensive chapter allows graduate students and newcomers to the field to grasp the basics, whilst also ensuring that they have the most up-to-date overview of the latest research. Topics include: organic conductors and semiconductors; conducting polymers and conjugated polymer semiconductors, as well as their applications in organic field-effect-transistors; organic light-emitting diodes; and organic photovoltaics and transparent conducting electrodes. The molecular structures, synthesis methods, physicochemical and optoelectronic properties of the organic optoelectronic materials are also introduced and described in detail. The authors also elucidate the structures and working mechanisms of organic optoelectronic devices and outline fundamental scientific problems and future research directions. This volume is invaluable to all those interested in organic optoelectronic materials.
Author : Pierre Pelce
Publisher : Academic Press
ISBN 13 :
Total Pages : 550 pages
Book Rating : 4.:/5 (319 download)
Download or read book Dynamics of Curved Fronts written by Pierre Pelce and published by Academic Press. This book was released on 1988-11-28 with total page 550 pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent years, much progress has been made in the understanding of interface dynamics of various systems: hydrodynamics, crystal growth, chemical reactions, and combustion. Dynamics of Curved Fronts is an important contribution to this field and will be an indispensable reference work for researchers and graduate students in physics, applied mathematics, and chemical engineering. The book consist of a 100 page introduction by the editor and 33 seminal articles from various disciplines.
Author : Oksana Ostroverkhova
Publisher : Elsevier
ISBN 13 : 0857098764
Total Pages : 832 pages
Book Rating : 4.8/5 (57 download)
Download or read book Handbook of Organic Materials for Optical and (Opto)Electronic Devices written by Oksana Ostroverkhova and published by Elsevier. This book was released on 2013-08-31 with total page 832 pages. Available in PDF, EPUB and Kindle. Book excerpt: Small molecules and conjugated polymers, the two main types of organic materials used for optoelectronic and photonic devices, can be used in a number of applications including organic light-emitting diodes, photovoltaic devices, photorefractive devices and waveguides. Organic materials are attractive due to their low cost, the possibility of their deposition from solution onto large-area substrates, and the ability to tailor their properties. The Handbook of organic materials for optical and (opto)electronic devices provides an overview of the properties of organic optoelectronic and nonlinear optical materials, and explains how these materials can be used across a range of applications.Parts one and two explore the materials used for organic optoelectronics and nonlinear optics, their properties, and methods of their characterization illustrated by physical studies. Part three moves on to discuss the applications of optoelectronic and nonlinear optical organic materials in devices and includes chapters on organic solar cells, electronic memory devices, and electronic chemical sensors, electro-optic devices.The Handbook of organic materials for optical and (opto)electronic devices is a technical resource for physicists, chemists, electrical engineers and materials scientists involved in research and development of organic semiconductor and nonlinear optical materials and devices. Comprehensively examines the properties of organic optoelectronic and nonlinear optical materials Discusses their applications in different devices including solar cells, LEDs and electronic memory devices An essential technical resource for physicists, chemists, electrical engineers and materials scientists
Author : A. V. Narlikar
Publisher : OUP Oxford
ISBN 13 : 019157967X
Total Pages : 936 pages
Book Rating : 4.1/5 (915 download)
Download or read book Oxford Handbook of Nanoscience and Technology written by A. V. Narlikar and published by OUP Oxford. This book was released on 2010-02-11 with total page 936 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is an agenda-setting and high-profile book that presents an authoritative and cutting-edge analysis of nanoscience and technology. The Oxford Handbook of Nanoscience and Technology provides a comprehensive and accessible overview of the major achievements in different aspects of this field. The Handbook comprises 3 volumes, structured thematically, with 25 chapters each. Volume I presents fundamental issues of basic physics, chemistry, biochemistry, tribology etc. of nanomaterials. Volume II focuses on the progress made with host of nanomaterials including DNA and protein based nanostructures. Volume III highlights engineering and related developments, with a focus on frontal application areas. All chapters are written by noted international experts in the field. The book should be useful for final year undergraduates specializing in the field. It should prove indispensable to graduate students, and serious researchers from academic and industrial sectors working in the field of Nanoscience and Technology from different disciplines including Physics, Chemistry, Biochemistry, Biotechnology, Medicine, Materials Science, Metallurgy, Ceramics, Information Technology as well as Electrical, Electronic and Computational Engineering.
Author : Abbas Hamrang
Publisher : CRC Press
ISBN 13 : 148223937X
Total Pages : 300 pages
Book Rating : 4.4/5 (822 download)
Download or read book Materials Science and Engineering. Volume I written by Abbas Hamrang and published by CRC Press. This book was released on 2016-04-19 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume highlights the latest developments and trends in advanced non-classical materials and structures. It presents the developments of advanced materials and respective tools to characterize and predict the material properties and behavior. It also includes original, theoretical, and important experimental results that use non-routine method
Author : Anna Köhler
Publisher : John Wiley & Sons
ISBN 13 : 3527332928
Total Pages : 436 pages
Book Rating : 4.5/5 (273 download)
Download or read book Electronic Processes in Organic Semiconductors written by Anna Köhler and published by John Wiley & Sons. This book was released on 2015-06-08 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first advanced textbook to provide a useful introduction in a brief, coherent and comprehensive way, with a focus on the fundamentals. After having read this book, students will be prepared to understand any of the many multi-authored books available in this field that discuss a particular aspect in more detail, and should also benefit from any of the textbooks in photochemistry or spectroscopy that concentrate on a particular mechanism. Based on a successful and well-proven lecture course given by one of the authors for many years, the book is clearly structured into four sections: electronic structure of organic semiconductors, charged and excited states in organic semiconductors, electronic and optical properties of organic semiconductors, and fundamentals of organic semiconductor devices.
Author : Beata Luszczynska
Publisher : John Wiley & Sons
ISBN 13 : 352734442X
Total Pages : 686 pages
Book Rating : 4.5/5 (273 download)
Download or read book Solution-Processable Components for Organic Electronic Devices written by Beata Luszczynska and published by John Wiley & Sons. This book was released on 2019-09-16 with total page 686 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides first-hand insights into advanced fabrication techniques for solution processable organic electronics materials and devices The field of printable organic electronics has emerged as a technology which plays a major role in materials science research and development. Printable organic electronics soon compete with, and for specific applications can even outpace, conventional semiconductor devices in terms of performance, cost, and versatility. Printing techniques allow for large-scale fabrication of organic electronic components and functional devices for use as wearable electronics, health-care sensors, Internet of Things, monitoring of environment pollution and many others, yet-to-be-conceived applications. The first part of Solution-Processable Components for Organic Electronic Devices covers the synthesis of: soluble conjugated polymers; solution-processable nanoparticles of inorganic semiconductors; high-k nanoparticles by means of controlled radical polymerization; advanced blending techniques yielding novel materials with extraordinary properties. The book also discusses photogeneration of charge carriers in nanostructured bulk heterojunctions and charge carrier transport in multicomponent materials such as composites and nanocomposites as well as photovoltaic devices modelling. The second part of the book is devoted to organic electronic devices, such as field effect transistors, light emitting diodes, photovoltaics, photodiodes and electronic memory devices which can be produced by solution-based methods, including printing and roll-to-roll manufacturing. The book provides in-depth knowledge for experienced researchers and for those entering the field. It comprises 12 chapters focused on: ? novel organic electronics components synthesis and solution-based processing techniques ? advanced analysis of mechanisms governing charge carrier generation and transport in organic semiconductors and devices ? fabrication techniques and characterization methods of organic electronic devices Providing coverage of the state of the art of organic electronics, Solution-Processable Components for Organic Electronic Devices is an excellent book for materials scientists, applied physicists, engineering scientists, and those working in the electronics industry.
Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309168392
Total Pages : 238 pages
Book Rating : 4.3/5 (91 download)
Download or read book Beyond the Molecular Frontier written by National Research Council and published by National Academies Press. This book was released on 2003-03-19 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chemistry and chemical engineering have changed significantly in the last decade. They have broadened their scopeâ€"into biology, nanotechnology, materials science, computation, and advanced methods of process systems engineering and controlâ€"so much that the programs in most chemistry and chemical engineering departments now barely resemble the classical notion of chemistry. Beyond the Molecular Frontier brings together research, discovery, and invention across the entire spectrum of the chemical sciencesâ€"from fundamental, molecular-level chemistry to large-scale chemical processing technology. This reflects the way the field has evolved, the synergy at universities between research and education in chemistry and chemical engineering, and the way chemists and chemical engineers work together in industry. The astonishing developments in science and engineering during the 20th century have made it possible to dream of new goals that might previously have been considered unthinkable. This book identifies the key opportunities and challenges for the chemical sciences, from basic research to societal needs and from terrorism defense to environmental protection, and it looks at the ways in which chemists and chemical engineers can work together to contribute to an improved future.
