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Author : Julia Maibach
Publisher :
ISBN 13 :
Total Pages : 212 pages
Book Rating : 4.:/5 (884 download)
Download or read book Preparation and Characterization of Solution Processed Organic Semiconductor Interfaces written by Julia Maibach and published by . This book was released on 2014 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Schinke Janusz
Publisher : Sudwestdeutscher Verlag Fur Hochschulschriften AG
ISBN 13 : 9783838151441
Total Pages : 204 pages
Book Rating : 4.1/5 (514 download)
Download or read book Processing and Characterization of Organic Thin Films written by Schinke Janusz and published by Sudwestdeutscher Verlag Fur Hochschulschriften AG. This book was released on 2015-08-20 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work deals with two of the major challenges in organic electronics: (i) the optimization of organic/inorganic contacts through interface engineering and (ii) the prevention of intermixing in multilayer solution-processed devices. (i) A suitable method to control organic/inorganic interfaces, not only in terms of interface energetics but also to control the morphology of subsequent layers is the use of self-assembled monolayers (SAMs). Various SAMs from commercially available precursor molecules have been investigated in detail with the aim to optimize the processing parameters for high-throughput fabrication. On the basis of the gained knowledge and experience SAMs composed of novel molecules with strong dipole moments were investigated. (ii) The second part of this work addresses the problem of intermixing of solution-processed thin films. To this end, the film formation was studied of n-type semiconductor materials based on 1,4,5,8-naphthalenetetracarboxdiimide (NDI) with additional thermally cleavable side groups that govern the solubility of the molecules. Both polymer and small molecule organic semiconductors were studied.
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 : Hideo Hosono
Publisher : John Wiley & Sons
ISBN 13 : 1119715652
Total Pages : 644 pages
Book Rating : 4.1/5 (197 download)
Download or read book Amorphous Oxide Semiconductors written by Hideo Hosono and published by John Wiley & Sons. This book was released on 2022-05-17 with total page 644 pages. Available in PDF, EPUB and Kindle. Book excerpt: AMORPHOUS OXIDE SEMICONDUCTORS A singular resource on amorphous oxide semiconductors edited by a world-recognized pioneer in the field In Amorphous Oxide Semiconductors: IGZO and Related Materials for Display and Memory, the Editors deliver a comprehensive account of the current status of—and latest developments in—transparent oxide semiconductor technology. With contributions from leading international researchers and exponents in the field, this edited volume covers physical fundamentals, thin-film transistor applications, processing, circuits and device simulation, display and memory applications, and new materials relevant to amorphous oxide semiconductors. The book makes extensive use of structural diagrams of materials, energy level and energy band diagrams, device structure illustrations, and graphs of device transfer characteristics, photographs and micrographs to help illustrate the concepts discussed within. It also includes: A thorough introduction to amorphous oxide semiconductors, including discussions of commercial demand, common challenges faced during their manufacture, and materials design Comprehensive explorations of the electronic structure of amorphous oxide semiconductors, structural randomness, doping limits, and defects Practical discussions of amorphous oxide semiconductor processing, including oxide materials and interfaces for application and solution-process metal oxide semiconductors for flexible electronics In-depth examinations of thin film transistors (TFTs), including the trade-off relationship between mobility and reliability in oxide TFTs Perfect for practicing scientists, engineers, and device technologists working with transparent semiconductor systems, Amorphous Oxide Semiconductors: IGZO and Related Materials for Display and Memory will also earn a place in the libraries of students studying oxides and other non-classical and innovative semiconductor devices. WILEY SID Series in Display Technology Series Editor: Ian Sage, Abelian Services, Malvern, UK The Society for Information Display (SID) is an international society which has the aim of encouraging the development of all aspects of the field of information display. Complementary to the aims of the society, the Wiley-SID series is intended to explain the latest developments in information display technology at a professional level. The broad scope of the series addresses all facets of information displays from technical aspects through systems and prototypes to standards and ergonomics.
Author : Martin I. Pech-Canul
Publisher : Springer
ISBN 13 : 3030021718
Total Pages : 590 pages
Book Rating : 4.0/5 (3 download)
Download or read book Semiconductors written by Martin I. Pech-Canul and published by Springer. This book was released on 2019-01-17 with total page 590 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a practical guide to optical, optoelectronic, and semiconductor materials and provides an overview of the topic from its fundamentals to cutting-edge processing routes to groundbreaking technologies for the most recent applications. The book details the characterization and properties of these materials. Chemical methods of synthesis are emphasized by the authors throughout the publication. Describes new materials and updates to older materials that exhibit optical, optoelectronic and semiconductor behaviors; Covers the structural and mechanical aspects of the optical, optoelectronic and semiconductor materials for meeting mechanical property and safety requirements; Includes discussion of the environmental and sustainability issues regarding optical, optoelectronic, and semiconductor materials, from processing to recycling.
Author : Galileo Sarasqueta
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (755 download)
Download or read book Processing and Characterization of Optoelectronic Devices Based on Inorganic Nanocrystals and Organic Semiconductors written by Galileo Sarasqueta and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A PbSe solution-processed nanocrystal-based infrared photodetector incorporating carrier blocking layers was also demonstrated and significant reduction of dark current was achieved. Detectivity values close to 1012 Jones are achieved by using a series of organic and inorganic materials such as poly[(9,9'-dioctylfluorenyl-2,7-diyl)-co-(4,4'-(N-(4-sec-butyl))diphenylamine)] (TFB) and poly(N, N'-bis(4-butylphenyl)-N, N'-bis(phenyl)benzidine (poly-TPD) as the electron blockers; while the small molecule C60 and ZnO nanocrystals were used as the hole blockers. An improvement in lifetime is also observed in the devices with the ZnO NCs hole blocking layer. Infrared-sensing nanocrystals were also used to demonstrate the fabrication of the first all solution-processed up-conversion device. The processing of different materials was carefully controlled so that multiple inorganic/organic layers were solution processed on top of each other to fabricate the device. PbSe nanocrystals were used as infrared sensing mateial, MEH-PPV was used as the light-emitting layer, and ZnO nanocrystals were used as a blocking layer. Based on the solvents polarity and differences in solubitliy of the materials used, the processing of the devices was successful. In addition, ZnO was critical to decrease dark currents and enhance the dark to visible switching effect of the up-conversion device.
Author : Wooseok Ki
Publisher :
ISBN 13 :
Total Pages : 146 pages
Book Rating : 4.:/5 (551 download)
Download or read book Synthesis, Characterization, and Film Fabrication of Inorganic and Hybrid Semiconductor Materials for Optoelectonic Applications written by Wooseok Ki and published by . This book was released on 2008 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt: We have developed and studied selected properties of a novel type of inorganic-organic hybrid semiconductor materials in order to enhance the functionality over their parent structures. Since inorganic organic hybrid semiconductor materials are composed of both inorganic and organic segments, one may expect them to have the advantage of combining the excellent electrical, optical, thermal and transport properties from the inorganic component with the flexibility, processability and structural diversity from the organic component. As a continuing effort, we have synthesized, modified, and characterized a number of selected structures with potential for solid state lighting applications. For example, we have developed the first inorganic organic semiconductor bulk material, double layered 2D-Cd2Q2(ba)(Q=S, Se), capable of producing direct white light. This type of materials could be promising for use as a single-material white-light-emitting source in white LEDs. Luminescence properties of these hybrid semiconductors can be tuned systematically by changing their composition and doping level. In addition, a thin pellet of one of our hybrid semiconductor materials without any modifications showed low electrical conductivity. Significant improvement may be anticipated with modifications. Solution processed deposition techniques provide great opportunities for optical and optoelectronic devices, such as displays, solid state lighting, and solar cells, because it enables to fabricate flexible devices with low-cost and large area fabrications. Most semiconductors show very low solubility in organic solvents, thus limiting the opportunities to prepare thin films using soluble precursors. In this study, we have developed a simple, efficient, and low-cost solution-processed deposition route to fabricate metal chalcogenide semiconductor thin films by using soluble precursors via a spin-coating technique. Surface morphology was directly influenced by the choice of organic solvents as well as the spin-coating sequences, thus affecting the electrical transport of the films. In the case of hybrid semiconductors, a conducting polymer was employed to help forming more uniform composite films.
Author : Oksana Ostroverkhova
Publisher : Woodhead Publishing
ISBN 13 : 0081022859
Total Pages : 911 pages
Book Rating : 4.0/5 (81 download)
Download or read book Handbook of Organic Materials for Electronic and Photonic Devices written by Oksana Ostroverkhova and published by Woodhead Publishing. This book was released on 2018-11-30 with total page 911 pages. Available in PDF, EPUB and Kindle. Book excerpt: Handbook of Organic Materials for Electronic and Photonic Devices, Second Edition, provides an overview of the materials, mechanisms, characterization techniques, structure-property relationships, and most promising applications of organic materials. This new release includes new content on emerging organic materials, expanded content on the basic physics behind electronic properties, and new chapters on organic photonics. As advances in organic materials design, fabrication, and processing that enabled charge unprecedented carrier mobilities and power conversion efficiencies have made dramatic advances since the first edition, this latest release presents a necessary understanding of the underlying physics that enabled novel material design and improved organic device design. Provides a comprehensive overview of the materials, mechanisms, characterization techniques, and structure property relationships of organic electronic and photonic materials Reviews key applications, including organic solar cells, light-emitting diodes electrochemical cells, sensors, transistors, bioelectronics, and memory devices New content to reflect latest advances in our understanding of underlying physics to enable material design and device fabrication
Author : Feng Gao
Publisher : Elsevier
ISBN 13 : 0128136472
Total Pages : 550 pages
Book Rating : 4.1/5 (281 download)
Download or read book Advanced Nanomaterials for Solar Cells and Light Emitting Diodes written by Feng Gao and published by Elsevier. This book was released on 2019-04-26 with total page 550 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advanced Nanomaterials for Solar Cells and Light Emitting Diodes discusses the importance of nanomaterials as the active layers in solar cells and light emitting diodes (LEDs), along with the progress of nanomaterials as the electron and hole transporting layers. Specifically, the book reviews the use of nano-morphology of polymers, small molecules, and the organic-inorganic perovskites as the active layers in solar cells and LEDs. The design, fabrication and properties of metal-oxide-based nano-structures as electron and hole transporting layers are also reviewed. In addition, the development of plasmonic nanomaterials for solar cells and LEDs is discussed. Each topic in this book includes an overview of the materials system from principles to process. The advantages, disadvantages and related methodologies are highlighted. The book includes applications based on materials and emphasize how to improve the performance of solar cells and LEDs by the materials design, with a focus on nanomaterials. Provides latest research on nanostructured materials including small molecules, polymers, organic-inorganic perovskites, and many other relevant materials systems for solar cells and LEDs Addresses each promising materials system from principles to process, detailing the advantages and disadvantages of the most relevant methods of processing and fabrication Looks ahead to most likely techniques to improve performance of solar cells and light emitting diodes
Author : Kathrin Müller
Publisher :
ISBN 13 : 9783869551180
Total Pages : 95 pages
Book Rating : 4.5/5 (511 download)
Download or read book Organic Semiconductor Interfaces with Insulators and Metals written by Kathrin Müller and published by . This book was released on 2009 with total page 95 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 : Yangyang Zhou
Publisher :
ISBN 13 :
Total Pages : 58 pages
Book Rating : 4.:/5 (492 download)
Download or read book Characterization of Organic Semiconductor and Ferromagnetic Half-metallic Oxide Interface written by Yangyang Zhou and published by . This book was released on 2009 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Korhan Demirkan
Publisher : ProQuest
ISBN 13 : 9780549752196
Total Pages : pages
Book Rating : 4.7/5 (521 download)
Download or read book Interfaces of Electrical Contacts in Organic Semiconductor Devices written by Korhan Demirkan and published by ProQuest. This book was released on 2008 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Progress in organic semiconductor devices relies on better understanding of interfaces as well as material development. The engineering of interfaces that exhibit low resistance, low operating voltage and long-term stability to minimize device degradation is one of the crucial requirements. Photoelectron spectroscopy is a powerful technique to study the metal-semiconductor interfaces, allowing: (i) elucidation of the energy levels of the semiconductor and the contacts that determine Schottky barrier height, (ii) inspection of electrical interactions (such as charge transfer, dipole formation, formation of induced density of states or formation of polaron/bi-polaron states) that effect the energy level alignment, (iii) determination of interfacial chemistry, and (iv) estimation of interface morphology. In this thesis, we have used photoelectron spectroscopy extensively for detailed analysis of the metal organic semiconductor interfaces. In this study, we demonstrate the use of photoelectron spectroscopy for construction of energy level diagrams and display some results related to chemical tailoring of materials for engineering interfaces with lowered Schottky barriers. Following our work on the energy level alignment of poly(p-phenyene vinylene) based organic semiconductors on various substrates [Au, indium tin oxide, Si (with native oxide) and Al (with native oxide)], we tested controlling the energy level alignment by using polar self assembled molecules (SAMs). Photoelectron spectroscopy showed that, by introducing SAMs on the Au surface, we successfully changed the effective work function of Au surface. We found that in this case, the change in the effective work function of the metal surface was not reflected as a shift in the energy levels of the organic semiconductor, as opposed to the results achieved with different substrate materials. To investigate the chemical interactions at the metal/organic interface, we studied the metallization of poly(2-methoxy-5,2'-ethyl-hexyloxy-phenylene vinylene) (MEH-PPV), polystyrene (PS) and ozone treated polystyrene (PS-O3) surfaces by thermal deposition of aluminum. Photoelectron spectroscopy showed the degree of chemical interaction between Al and each polymer, for MEH-PPV, the chemical interactions were mainly through the C-O present in the side chain of the polymer structure. The chemical interaction of Al with polystyrene was less significant, but it showed a dramatic increase after ozone treatment of the polystyrene surface (due to the formation of exposed oxygen sites). Formation of metal oxide and metal-organic compound is detected during the Al metallization of MEH-PPV and ozone-treated PS surfaces. Our results showed that the condensation of Al on polymer surfaces is highly dependent on surface reactivity. Enormous differences were observed for the condensation coefficient of Al on PS and PS-O3 surfaces. For the inert PS surface, results showed that Al atoms poorly wet the polymer surface and form distributed clusters at the surface. Results on reactive polymer surfaces suggest morphology reminiscent of a Stranski- Krastanov-type growth and high contact area. Many studies have shown that the insertion of a thin interlayer of the oxide or fluoride of alkali or alkaline metals between the low work function electrode and the organic semiconductor layers dramatically lowers the onset voltage and increases the efficiency compared to identical devices without the insulating layer. Various modes have been suggested for the mechanism of device performance enhancement. We have investigated the chemical and electrical interaction of (i) LiF with MEH-PPV, (ii) Al with MEH-PPV in the presence of a thin LiF layer at the interface, and finally (iii) the interaction of Al with LiF. AFM and XPS data showed that LiF forms island on the surface. Our data in agreement with various existing models suggested the (i) alteration in the electronic properties under applied bias, (ii) doping of the organic semiconductor, (iii) formation of metal alloy (Au-Li). In addition to the possible electrical modifications at the interface suggested previously, our data also suggest a change in the film growth on LiF modified surfaces.
Author : Zhenan Bao
Publisher : CRC Press
ISBN 13 : 1351837575
Total Pages : 578 pages
Book Rating : 4.3/5 (518 download)
Download or read book Organic Field-Effect Transistors written by Zhenan Bao and published by CRC Press. This book was released on 2018-10-03 with total page 578 pages. Available in PDF, EPUB and Kindle. Book excerpt: The remarkable development of organic thin film transistors (OTFTs) has led to their emerging use in active matrix flat-panel displays, radio frequency identification cards, and sensors. Exploring one class of OTFTs, Organic Field-Effect Transistors provides a comprehensive, multidisciplinary survey of the present theory, charge transport studies, synthetic methodology, materials characterization, and current applications of organic field-effect transistors (OFETs). Covering various aspects of OFETs, the book begins with a theoretical description of charge transport in organic semiconductors at the molecular level. It then discusses the current understanding of charge transport in single-crystal devices, small molecules and oligomers, conjugated polymer devices, and charge injection issues in organic transistors. After describing the design rationales and synthetic methodologies used for organic semiconductors and dielectric materials, the book provides an overview of a variety of characterization techniques used to probe interfacial ordering, microstructure, molecular packing, and orientation crucial to device performance. It also describes the different processing techniques for molecules deposited by vacuum and solution, followed by current technological examples that employ OTFTs in their operation. Featuring respected contributors from around the world, this thorough, up-to-date volume presents both the theory behind OFETs and the latest applications of this promising technology.
Author : Dieter K. Schroder
Publisher : John Wiley & Sons
ISBN 13 : 0471739065
Total Pages : 800 pages
Book Rating : 4.4/5 (717 download)
Download or read book Semiconductor Material and Device Characterization written by Dieter K. Schroder and published by John Wiley & Sons. This book was released on 2015-06-29 with total page 800 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Third Edition updates a landmark text with the latest findings The Third Edition of the internationally lauded Semiconductor Material and Device Characterization brings the text fully up-to-date with the latest developments in the field and includes new pedagogical tools to assist readers. Not only does the Third Edition set forth all the latest measurement techniques, but it also examines new interpretations and new applications of existing techniques. Semiconductor Material and Device Characterization remains the sole text dedicated to characterization techniques for measuring semiconductor materials and devices. Coverage includes the full range of electrical and optical characterization methods, including the more specialized chemical and physical techniques. Readers familiar with the previous two editions will discover a thoroughly revised and updated Third Edition, including: Updated and revised figures and examples reflecting the most current data and information 260 new references offering access to the latest research and discussions in specialized topics New problems and review questions at the end of each chapter to test readers' understanding of the material In addition, readers will find fully updated and revised sections in each chapter. Plus, two new chapters have been added: Charge-Based and Probe Characterization introduces charge-based measurement and Kelvin probes. This chapter also examines probe-based measurements, including scanning capacitance, scanning Kelvin force, scanning spreading resistance, and ballistic electron emission microscopy. Reliability and Failure Analysis examines failure times and distribution functions, and discusses electromigration, hot carriers, gate oxide integrity, negative bias temperature instability, stress-induced leakage current, and electrostatic discharge. Written by an internationally recognized authority in the field, Semiconductor Material and Device Characterization remains essential reading for graduate students as well as for professionals working in the field of semiconductor devices and materials. An Instructor's Manual presenting detailed solutions to all the problems in the book is available from the Wiley editorial department.
Author : C. O'Dwyer
Publisher : The Electrochemical Society
ISBN 13 : 1607688077
Total Pages : 190 pages
Book Rating : 4.6/5 (76 download)
Download or read book Processes at the Semiconductor Solution Interface 7 written by C. O'Dwyer and published by The Electrochemical Society. This book was released on 2017 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Mario Caironi
Publisher : John Wiley & Sons
ISBN 13 : 3527679995
Total Pages : 588 pages
Book Rating : 4.5/5 (276 download)
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.
