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Author : Llewellyn Rhys Lawson
Publisher :
ISBN 13 :
Total Pages : 122 pages
Book Rating : 4.:/5 (5 download)
Download or read book Controlled Growth of Organic Semiconductor Films Using Liquid Crystal Solvents written by Llewellyn Rhys Lawson and published by . This book was released on 2001 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Daniel Wainwright Shaw
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (733 download)
Download or read book Controlled Growth of Organic Semiconductor Films in Liquid written by Daniel Wainwright Shaw and published by . This book was released on 2011 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Organic molecular crystalline (OMC) films are being investigated for use in a wide range of potential applications, from field effect transistors, to light-emitting diodes, and photovoltaic cells. The ultimate utility of OMC materials for such applications will depend on the degree and type of molecular order in deposited films, as well as the processing costs for preparing them. The goal of this thesis is to develop a method to produce high quality OMC thin films under ambient conditions, to characterize those films, and their growth kinetics. In particular, I will investigate OMC film growth by ambient axisymmetric spray method, a technique in which an organic semiconductor is sublimated into a carrier gas at ambient pressure and deposited onto a substrate coated with a thin liquid layer. I will examine the growth kinetics and morphologies of the resulting films. The results of this research will be an improved understanding of the growth of organic crystals in a thin film of liquid and the production of cheap organic semiconductor thin films.
Author : Kevin Anthony Bufkin
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (67 download)
Download or read book Ambient Pressure Organic Semiconductor Thin Film Growth by Ambient Axisymmetric Spray written by Kevin Anthony Bufkin and published by . This book was released on 2010 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Interest in using organic semiconductors in applications such as large area displays, photovoltaic devices, and radio frequency identification tags stems in part from their prospects for enabling significantly reduced manufacturing costs compared to traditional inorganic semiconductors. However many of the best performing prototype devices produced so far have involved expensive or time-consuming fabrication methods, such as the use of single crystals or thin films deposited under high vacuum conditions. This thesis examines a new approach for growing low molecular weight organic crystalline films at ambient conditions based on an organic vapor-liquid-solid growth (OVLS) mechanism using thermotropic nematic liquid crystal (LC) solvents.
Author :
Publisher :
ISBN 13 :
Total Pages : 824 pages
Book Rating : 4.3/5 (91 download)
Download or read book JJAP Letters written by and published by . This book was released on 2006 with total page 824 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 : John R. Reynolds
Publisher : CRC Press
ISBN 13 : 0429524420
Total Pages : 909 pages
Book Rating : 4.4/5 (295 download)
Download or read book Conjugated Polymers written by John R. Reynolds and published by CRC Press. This book was released on 2019-03-25 with total page 909 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers properties, processing, and applications of conducting polymers. It discusses properties and characterization, including photophysics and transport. It then moves to processing and morphology of conducting polymers, covering such topics as printing, thermal processing, morphology evolution, conducting polymer composites, thin films
Author :
Publisher :
ISBN 13 :
Total Pages : 412 pages
Book Rating : 4.3/5 (91 download)
Download or read book Master's Theses Directories written by and published by . This book was released on 2002 with total page 412 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Education, arts and social sciences, natural and technical sciences in the United States and Canada".
Author : Quan Li
Publisher : John Wiley & Sons
ISBN 13 : 1118009045
Total Pages : 376 pages
Book Rating : 4.1/5 (18 download)
Download or read book Self-Organized Organic Semiconductors written by Quan Li and published by John Wiley & Sons. This book was released on 2011-03-03 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on the exciting topic on self-organized organic semiconductors – from materials to device applications. It offers up-to-date and accessible coverage of self-organized semiconductors for organic chemistry, polymer science, liquid crystals, materials science, material engineering, electrical engineering, chemical engineering, optics, optic-electronics, nanotechnology and semiconductors. Chapters cover chemistry, physics, processing, and characterization. The applications include photovoltaics, light-emitting diodes (LEDs), and transistors.
Author : Richard J. Bushby
Publisher : Springer Science & Business Media
ISBN 13 : 9048128730
Total Pages : 282 pages
Book Rating : 4.0/5 (481 download)
Download or read book Liquid Crystalline Semiconductors written by Richard J. Bushby and published by Springer Science & Business Media. This book was released on 2012-11-28 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is an exciting stage in the development of organic electronics. It is no longer an area of purely academic interest as increasingly real applications are being developed, some of which are beginning to come on-stream. Areas that have already been commercially developed or which are under intensive development include organic light emitting diodes (for flat panel displays and solid state lighting), organic photovoltaic cells, organic thin film transistors (for smart tags and flat panel displays) and sensors. Within the family of organic electronic materials, liquid crystals are relative newcomers. The first electronically conducting liquid crystals were reported in 1988 but already a substantial literature has developed. The advantage of liquid crystalline semiconductors is that they have the easy processability of amorphous and polymeric semiconductors but they usually have higher charge carrier mobilities. Their mobilities do not reach the levels seen in crystalline organics but they circumvent all of the difficult issues of controlling crystal growth and morphology. Liquid crystals self-organise, they can be aligned by fields and surface forces and, because of their fluid nature, defects in liquid crystal structures readily self-heal. With these matters in mind this is an opportune moment to bring together a volume on the subject of ‘Liquid Crystalline Semiconductors’. The field is already too large to cover in a comprehensive manner so the aim has been to bring together contributions from leading researchers which cover the main areas of the chemistry (synthesis and structure/function relationships), physics (charge transport mechanisms and optical properties) and potential applications in photovoltaics, organic light emitting diodes (OLEDs) and organic field-effect transistors (OFETs). This book will provide a useful introduction to the field for those in both industry and academia and it is hoped that it will help to stimulate future developments.
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 : Ravindra S. Shinde
Publisher : CRC Press
ISBN 13 : 1000029190
Total Pages : 226 pages
Book Rating : 4.0/5 ( download)
Download or read book Modern Green Chemistry and Heterocyclic Compounds written by Ravindra S. Shinde and published by CRC Press. This book was released on 2020-03-31 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers the general properties of heterocyclic compounds and methods for their preparation to use in applications of green chemistry. Heterocyclic compounds are an important class of molecules in organic chemistry due to their presence in natural products and their use in pharmaceuticals and new materials. They also play a vital role in the metabolism of living cells. Heterocyclic compounds have a wide range of applications in agrochemicals, pharmaceuticals, veterinary products, etc. This research-oriented volume is ideal for readers who want to fully realize the almost limitless potential of heterocyclic compounds and to discover new and effective pharmaceuticals among heterocyclic compounds, the largest and most varied family of organic compounds. The book features several case studies and step-by-step descriptions of synthetic methods and practical techniques. It also serves as a guide for chemists, offering them new insights and new paths to explore for effective drug discovery.
Author : Paolo Samorì
Publisher : John Wiley & Sons
ISBN 13 : 3527804900
Total Pages : 404 pages
Book Rating : 4.5/5 (278 download)
Download or read book Flexible Carbon-based Electronics written by Paolo Samorì and published by John Wiley & Sons. This book was released on 2018-10-25 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt: This third volume in the Advanced Nanocarbon Materials series covers the topic of flexible electronics both from a materials and an applications perspective. Comprehensive in its scope, the monograph examines organic, inorganic and composite materials with a section devoted to carbon-based materials with a special focus on the generation and properties of 2D materials. It also presents carbon modifications and derivatives, such as carbon nanotubes, graphene oxide and diamonds. In terms of the topical applications covered these include, but are not limited to, flexible displays, organic electronics, transistors, integrated circuits, semiconductors and solar cells. These offer perspectives for today?s energy and healthcare challenges, such as electrochemical energy storage and wearable devices. Finally, a section on fundamental properties and characterization approaches of flexible electronics rounds off the book. Each contribution points out the importance of the structure-function relationship for the target-oriented fabrication of electronic devices, enabling the design of complex components.
Author : Sandeep Kumar
Publisher : CRC Press
ISBN 13 : 1439811458
Total Pages : 512 pages
Book Rating : 4.4/5 (398 download)
Download or read book Chemistry of Discotic Liquid Crystals written by Sandeep Kumar and published by CRC Press. This book was released on 2016-04-19 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt: The self-contained properties of discotic liquid crystals (DLCs) render them powerful functional materials for many semiconducting device applications and models for energy and charge migration in self-organized dynamic functional soft materials. The past three decades have seen tremendous interest in this area, fueled primarily by the possibility
Author : Jing Wan
Publisher :
ISBN 13 :
Total Pages : 296 pages
Book Rating : 4.:/5 (126 download)
Download or read book Transient Effects in Solution-Processed Organic Thin Films written by Jing Wan and published by . This book was released on 2021 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: Due to the weak van der Waals forces between organic semiconductor molecules, the molecular packing depends sensitively on the processing methods and conditions. Thus, understanding the crystallization mechanisms during solution deposition are essential for fundamental studies and reproducible fabrication of electronic devices.The performance of Organic field effect transistors (OFETs) also depends heavily on extrinsic factors such as contact resistance and interfacial defects, which can produce a different kind of transient effect at the metal-semiconductor contact. We have observed structural transient effects during the crystallization process of two small molecule organic semiconductors made from solution. We report in situ X-ray scattering studies of the crystallization of 2,7-dioctyl[1]benzothieno[3,2-b][1]benzothiophene (C8-BTBT) and 2-decyl-7-phenyl-[1]benzothieno[3,2-b][1]benzothiophene (Ph-BTBT-C10) during its deposition from solution. Multiple transient phases are observed for both materials during the crystallization before the final stable phase when substrate temperatures were 2 - 35C below the bulk phase transition temperature. Below the transition temperature the crystalline phases are stable. However, the high temperature smectic liquid-crystalline phases are observed first, but they exist for a limited time. In addition, for Ph-BTBT-C10 complex dynamics occur in the first few seconds as the transient liquid crystal phase is forming, possibly due to residual solvent. Transient phases are of potential interest for applications, since they can act as a route to self-assembly of organic thin films. Based on these results, we demonstrate a method to produce extremely large grain size and high carrier mobility (3.0 cm2/V·s) during high-speed processing. The other transient effect is observed in the top contact OFETs made from solution processed C8-BTBT thin films when stored in ambient conditions. We report observations of time-dependent carrier transport in field-effect transistors through intermittent characterization of current-voltage characteristics. This effect is characterized by a large increase of drain current and near-elimination of large negative threshold (Vth), which progressively reduces over a period of hours. Our results show that this elimination of non-ideality is predominantly caused by light exposure. We attribute these effects to a Schottky Barrier at the metal / semiconductor interface, modulated by charging of gold particles that form during gold vapor deposition onto organic semiconductor thin films. We also confirm that bottom contact transistors are free of the anomalous effect, consistent with the absence of metal particles near the interface. A detailed understanding is developed for the mechanisms contributing to non-ideal carrier injection, aging, and instability of C8-BTBT top contact transistors.
Author : Luciana Reyes Pires Kassab
Publisher : Elsevier
ISBN 13 : 0128183977
Total Pages : 296 pages
Book Rating : 4.1/5 (281 download)
Download or read book Nanocomposites for Photonic and Electronic Applications written by Luciana Reyes Pires Kassab and published by Elsevier. This book was released on 2019-11-06 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanocomposites for Photonic and Electronic Applications addresses a range of aspects of different nanocomposites and their possible applications to illustrate the techniques used to prepare and characterize them. In addition, the book discusses possible optical, electronic, biophotonic, photonic and renewable energy applications, presenting a panorama of current research in the field of nanostructures for photonic applications. This is an important reference source for academics and industry engineers who are looking to learn more about how nanocomposites can be used to make cheaper, more efficient products in the electronic and photonic fields. Explores the use of different types of amorphous and crystalline nanocomposites based on fluorides, tellurite, borates and lasers Discusses the applications of nanocomposites for photonics, biophotonics and renewable energy applications Assesses the advantages and disadvantages of using different types of nanocomposite in the design of different electronic and photonic products
Author : Publishing Interlingua Publishing
Publisher : InterLingua Publishing
ISBN 13 : 1884730469
Total Pages : 253 pages
Book Rating : 4.8/5 (847 download)
Download or read book Printing Technology for Flexible Substrates written by Publishing Interlingua Publishing and published by InterLingua Publishing. This book was released on 2006 with total page 253 pages. Available in PDF, EPUB and Kindle. Book excerpt: A huge revolution is emerging in the format and manufacturing process of electronic devices including displays brought on by the use of plastic substrates and printing technology. Flexible substrates enable large displays that can be freely bent, lightweight, and easily transported, as a result. In addition, the new technology has the potential of achieving various new devices such as e-paper, a new display medium, which epitomizes the advantage of hard copy paper; solar cells which are 1/10 the weight; sensors that can be completely embedded in floors and personal clothing.This report analyzes the latest trends in the technology and materials surrounding the manufacturing process of flexible electronic devices, with the above exciting breakthrough features.
Author :
Publisher :
ISBN 13 :
Total Pages : 708 pages
Book Rating : 4.3/5 (91 download)
Download or read book Scientific Information Bulletin written by and published by . This book was released on 1992 with total page 708 pages. Available in PDF, EPUB and Kindle. Book excerpt:
