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Design Synthesis And Structure Property Relationship Study Of Polymer Field Effect Transistors
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Book Synopsis Design, Synthesis, and Structure-Property Relationship Study of Polymer Field-Effect Transistors by : Ting Lei
Download or read book Design, Synthesis, and Structure-Property Relationship Study of Polymer Field-Effect Transistors written by Ting Lei and published by Springer. This book was released on 2015-01-05 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book summarizes Ting Lei’s PhD study on a series of novel conjugated polymers for field-effect transistors (FETs). Studies contain many aspects of polymer FETs, including backbone design, side-chain engineering, property study, conformation effects and device fabrication. The research results have previously scattered in many important journals and conferences worldwide. The book is likely to be of interest to university researchers, engineers and graduate students in materials sciences and chemistry who wish to learn some principles, strategy, and applications of polymer FETs.
Book Synopsis Design, Synthesis and Characterization of Self-assembling Conjugated Polymers for Use in Organic Electronic Applications by : Kathy Beckner Woody
Download or read book Design, Synthesis and Characterization of Self-assembling Conjugated Polymers for Use in Organic Electronic Applications written by Kathy Beckner Woody and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Conjugated polymers comprise some of the most promising materials for new technologies such as organic field effect transistors, solar light harvesting technology and sensing devices. In spite of tremendous research initiatives in materials chemistry, the potential to optimize device performance and develop new technologies is remarkable. Understanding relationships between the structure of conjugated polymers and their electronic properties is critical to improving device performance. The design and synthesis of new materials which self-organize into ordered nanostructures creates opportunities to establish relationships between electronic properties and morphology or molecular packing. This thesis details our progress in the development of synthetic routes which provide access to new classes of conjugated polymers that contain dissimilar side chains that segregate or dissimilar conjugated blocks which phase separate, and summarizes our initial attempts to characterize these materials. Poly(1,4-phenylene ethynylene)s (PPEs) have been used in a variety of organic electronic applications, most notably as fluorescent sensors. Using traditional synthetic methods, asymmetrically disubstituted PPEs have irregular placement of side chains on the conjugated backbone. Herein, we establish the first synthetic route to an asymmetrically substituted regioregular PPEs. The initial PPEs in this study have different lengths of alkoxy side chains, and both regioregular and regiorandom analogs are synthesized and characterized for comparison. The design of amphiphilic structures provides additional opportunities for side chains to influence the molecular packing and electronic properties of conjugated polymers. A new class of regioregular, amphiphilic PPEs has been prepared bearing alkoxy and semifluoroalkoxy side chains, which have a tendency to phase separate. Fully conjugated block copolymers can provide access to interesting new morphologies as a result of phase separation of the conjugated blocks. In particular, donor-acceptor block copolymers that phase separate into electron rich and electron poor domains may be advantageous in organic electronic devices such as bulk heterojunction solar cells, of which the performance relies on precise control of the interface between electron donating and accepting materials. The availability of donor-acceptor block copolymers is limited, largely due to the challenges associated with synthesizing these materials. In this thesis, two new synthetic routes to donor-acceptor block copolymers are established. These methods both utilize the catalyst transfer condensation polymerization, which proceeds by a chain growth mechanism. The first example entails the synthesis of a monofunctionalized, telechelic poly(3-alkylthiophene) which can be coupled to electron accepting polymers in a subsequent reaction. The other method describes the first example of a one-pot synthesis of a donor-acceptor diblock copolymer. The methods of synthesis are described, and characterization of the block copolymers is reported.
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 2009 with total page 810 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Beyond the Molecular Frontier by : National Research Council
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.
Book Synopsis Applications of Metaheuristics in Process Engineering by : Jayaraman Valadi
Download or read book Applications of Metaheuristics in Process Engineering written by Jayaraman Valadi and published by Springer. This book was released on 2014-08-07 with total page 451 pages. Available in PDF, EPUB and Kindle. Book excerpt: Metaheuristics exhibit desirable properties like simplicity, easy parallelizability and ready applicability to different types of optimization problems such as real parameter optimization, combinatorial optimization and mixed integer optimization. They are thus beginning to play a key role in different industrially important process engineering applications, among them the synthesis of heat and mass exchange equipment, synthesis of distillation columns and static and dynamic optimization of chemical and bioreactors. This book explains cutting-edge research techniques in related computational intelligence domains and their applications in real-world process engineering. It will be of interest to industrial practitioners and research academics.
Book Synopsis Chemical Solution Synthesis for Materials Design and Thin Film Device Applications by : Soumen Das
Download or read book Chemical Solution Synthesis for Materials Design and Thin Film Device Applications written by Soumen Das and published by Elsevier. This book was released on 2021-01-09 with total page 748 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chemical Solution Synthesis for Materials Design and Thin Film Device Applications presents current research on wet chemical techniques for thin-film based devices. Sections cover the quality of thin films, types of common films used in devices, various thermodynamic properties, thin film patterning, device configuration and applications. As a whole, these topics create a roadmap for developing new materials and incorporating the results in device fabrication. This book is suitable for graduate, undergraduate, doctoral students, and researchers looking for quick guidance on material synthesis and device fabrication through wet chemical routes. Provides the different wet chemical routes for materials synthesis, along with the most relevant thin film structured materials for device applications Discusses patterning and solution processing of inorganic thin films, along with solvent-based processing techniques Includes an overview of key processes and methods in thin film synthesis, processing and device fabrication, such as nucleation, lithography and solution processing
Book Synopsis Synthesis of Functional Aromatic Polymers Via Versatile Precursor and Structure-property Relationship Study of Ion-conducting Polymers by : Eun Joo Park
Download or read book Synthesis of Functional Aromatic Polymers Via Versatile Precursor and Structure-property Relationship Study of Ion-conducting Polymers written by Eun Joo Park and published by . This book was released on 2016 with total page 306 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Solution-Processable Components for Organic Electronic Devices by : Beata Luszczynska
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.
Book Synopsis Introduction to Organic Electronic and Optoelectronic Materials and Devices by : Sam-Shajing Sun
Download or read book Introduction to Organic Electronic and Optoelectronic Materials and Devices written by Sam-Shajing Sun and published by CRC Press. This book was released on 2016-10-03 with total page 1069 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers the combined subjects of organic electronic and optoelectronic materials/devices. It is designed for classroom instruction at the senior college level. Highlighting emerging organic and polymeric optoelectronic materials and devices, it presents the fundamentals, principle mechanisms, representative examples, and key data.
Book Synopsis Semiconducting Polymers by : Georges Hadziioannou
Download or read book Semiconducting Polymers written by Georges Hadziioannou and published by John Wiley & Sons. This book was released on 2006-12-15 with total page 786 pages. Available in PDF, EPUB and Kindle. Book excerpt: The field of semiconducting polymers has attracted many researchers from a diversity of disciplines. Printed circuitry, flexible electronics and displays are already migrating from laboratory successes to commercial applications, but even now fundamental knowledge is deficient concerning some of the basic phenomena that so markedly influence a device's usefulness and competitiveness. This two-volume handbook describes the various approaches to doped and undoped semiconducting polymers taken with the aim to provide vital understanding of how to control the properties of these fascinating organic materials. Prominent researchers from the fields of synthetic chemistry, physical chemistry, engineering, computational chemistry, theoretical physics, and applied physics cover all aspects from compounds to devices. Since the first edition was published in 2000, significant findings and successes have been achieved in the field, and especially handheld electronic gadgets have become billion-dollar markets that promise a fertile application ground for flexible, lighter and disposable alternatives to classic silicon circuitry. The second edition brings readers up-to-date on cutting edge research in this field.
Book Synopsis Interfacial Synthesis by : Charles E. Carraher
Download or read book Interfacial Synthesis written by Charles E. Carraher and published by . This book was released on 1981 with total page 382 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Design and Growth of Organic Semiconductors for Organic Thin Film Transistors by : Vladimir Aleksandrovich Pozdin
Download or read book Design and Growth of Organic Semiconductors for Organic Thin Film Transistors written by Vladimir Aleksandrovich Pozdin and published by . This book was released on 2011 with total page 107 pages. Available in PDF, EPUB and Kindle. Book excerpt: Organic field-effect transistors are attracting much attention due to possible applications in flexible electronics, but low electronic performance and stability remain challenges to realizing such applications. Nevertheless, molecular semiconductors have already been successfully integrated in commercial products such as organic displays, luminaires, and photovoltaics. While polymeric materials have historically lagged behind, they are currently gaining significant attention due to their ease of processing, which does not require a vacuum deposition system. Polymeric materials present a number of challenges, from designing the structure of the monomer to finding the optimum molecular weight. We present an exhaustive structure-property relationship study of a newly synthesized family of thienoacenes. Based on the results of our study, we suggest C2 symmetry for the repeat unit as a new design criterion to aid in the development of future polymeric semiconductors. In addition, we investigate the thermal stability of our polymers using ex-situ and in-situ X-ray scattering. We identify an irreversible reorganization due to solution processing, as well as a reversible thermal expansion with linear expansion coefficient of 2x10-4 °C-1. By optimizing polymer structure and processing conditions, we have achieved a field-effect hole mobility of 0.3 cm2/Vs and environmental stability exceeding one year. Even though molecular electronics, such as OLEDs with AlQ3, have already been commercialized, the fundamental questions of charge transport and trapping have not been answered for these materials, owing to the high degree of anisotropy in molecular thin films. We report an unexpected reorganization of molecular thin films of pentacene on commonly used SiO2 substrates treated with a self-assembled monolayer under inert conditions. In addition, we investigated the process of solvent annealing of an insoluble molecular semiconductor. The method of solvent annealing is further demonstrated as a feasible process to improve crystallinity in organic films without the adverse effects of thermal annealing.
Book Synopsis Large Area and Flexible Electronics by : Mario Caironi
Download or read book Large Area and Flexible Electronics written by Mario Caironi and published by John Wiley & Sons. This book was released on 2015-01-13 with total page 588 pages. Available in PDF, EPUB and Kindle. Book excerpt: From materials to applications, this ready reference covers the entire value chain from fundamentals via processing right up to devices, presenting different approaches to large-area electronics, thus enabling readers to compare materials, properties and performance. Divided into two parts, the first focuses on the materials used for the electronic functionality, covering organic and inorganic semiconductors, including vacuum and solution-processed metal-oxide semiconductors, nanomembranes and nanocrystals, as well as conductors and insulators. The second part reviews the devices and applications of large-area electronics, including flexible and ultra-high-resolution displays, light-emitting transistors, organic and inorganic photovoltaics, large-area imagers and sensors, non-volatile memories and radio-frequency identification tags. With its academic and industrial viewpoints, this volume provides in-depth knowledge for experienced researchers while also serving as a first-stop resource for those entering the field.
Book Synopsis Studies of Polymer Field-effect Transistors by : Felix Sunjoo Kim
Download or read book Studies of Polymer Field-effect Transistors written by Felix Sunjoo Kim and published by . This book was released on 2012 with total page 131 pages. Available in PDF, EPUB and Kindle. Book excerpt: The era of plastic electronics is rapidly emerging due to the increasing development and application of low-cost, printable, shape-conforming, and large-area devices, such as organic field-effect transistors (OFETs) and circuits, organic solar cells, and organic light-emitting devices. Deepening our understanding of charge-carrier dynamics in polymer semiconductors is critical to the future advances in organic electronics. This dissertation focuses on studies of OFETs and aims to better understand the charge transport properties of polymer semiconductors and factors that influence the performance of OFETs. Case studies of structure-morphology-property relationships in unipolar p- and n-channel polymer OFETs as well as ambipolar OFETs reveal that variations in molecular structure and processing affect electronic energy levels, solid-state morphology and crystallinity, and thus the magnitude and polarity of charge carriers. The studies resulted in achievement of high-performance OFETs with high charge-carrier mobility of up to 0.3 cm2/Vs. The morphology and electronic energy levels are also related to ambient stability and durability of polymer OFETs through kinetics and thermodynamics of interaction between the semiconductor and extrinsic molecules in ambient air. Air-stable ambipolar OFETs were realized by utilizing unipolar p- and n-type polymer semiconductors as the active channel elements. Complementary digital logic circuits such as inverters and NAND- and NOR-gates, were also demonstrated using the unipolar and ambipolar OFETs. Device engineering studies show that electron mobility and electrical stability of n-channel polymer OFETs can be significantly enhanced by inserting a low-dielectric-constant polymer dielectric buffer layer at the semiconductor/dielectric interface. Electron mobility was found to increase exponentially with decreasing dielectric constant of the buffer layer. Finally, poly(3-butylthiophene)-nanowire/polystyrene nanocomposites were also investigated as a means of controlling the solid-state morphology of active thin films in OFETs. High dc conductivity and high hole mobility were obtained throughout a wide range of the nanowire compositions (2-100 wt%) due in part to the very low percolation threshold (0.5 wt%).
Book Synopsis Organic and Inorganic Materials Based Sensors, 3 Volumes by : Sangita Das
Download or read book Organic and Inorganic Materials Based Sensors, 3 Volumes written by Sangita Das and published by John Wiley & Sons. This book was released on 2023-12-22 with total page 1409 pages. Available in PDF, EPUB and Kindle. Book excerpt: Organic and Inorganic Materials Based Sensors A three-volume comprehensive overview of the development and applications of various novel potent molecular sensor frameworks In Organic and Inorganic Materials Based Sensors (3 Volume Set), a team of distinguished researchers delivers an interdisciplinary presentation of the engineering of high-performance biopolymer-based bio-nanocomposites, as well as strategies for the use of various molecules in the detection of environmentally important guest analytes. This three-volume book explores the most relevant technological developments in nanomaterials sensors and offers a broad and comprehensive overview of cutting-edge research on advanced materials in the fast-moving sensors industry. The authors explain the science behind nanomaterials for environmental remediation as well as the components and ingredients of the relevant materials. Readers will also find: Thorough introductions to sensory devices, polymer-based nano-biomaterials, and opto-electrochemical devices Comprehensive explorations of metal–organic frameworks, organic sensors, and organic–inorganic composite semiconductor sensors Practical discussions of vapochromic and vapoluminescent sensors Fulsome treatments of sensor ecosystems for health self-monitoring, including discussions of diabetes management Perfect for materials scientists, mechanical engineers, and analytical chemists, Organic and Inorganic Materials Based Sensors will also benefit inorganic and organic chemists, robotics engineers, and professionals working in the sensor industry.
Book Synopsis Molecular Architectonics by : Takuji Ogawa
Download or read book Molecular Architectonics written by Takuji Ogawa and published by Springer. This book was released on 2017-07-06 with total page 535 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book draws on the main themes covered during the International Workshop on Molecular Architectonics which took place in Shiretoko, Japan from August 3 to 6, 2015. The concepts and results explored in this book relate to the term “molecular architectonics” which stands for electronic, optical and information-processing functions being orchestrated by molecular assemblies. This area is defined as the third stage of single-molecule electronics and builds on stage one, where measurements were performed on single-molecule layered films, and stage two, the resulting quantitative analyses. In this work, experts come together to write about the most important aspects of molecular architectonics. This interdisciplinary, visionary and unique book is of interest to scientists working on electronic materials, surface science and information processing sciences using noise and fluctuation.
Book Synopsis Design and Synthesis of Conjugated Polymers by : Mario Leclerc
Download or read book Design and Synthesis of Conjugated Polymers written by Mario Leclerc and published by John Wiley & Sons. This book was released on 2010-06-24 with total page 379 pages. Available in PDF, EPUB and Kindle. Book excerpt: This first systematic compilation of synthesis methods for different classes of polymers describes well-tested and reproducible procedures, thus saving time, money and chemicals. Each chapter presents the latest method for a specific class of conjugated polymers with a particular emphasis on the design aspects for organo-electronic applications. In this concise and practically oriented manner, readers are introduced to the strategies of influencing and controlling the polymer properties with respect to their use in the desired device. This style of presentation quickly helps researchers in their daily lab work and prevents them from reinventing the wheel over and over again.
