Polyacetylene
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Polyacetylene
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Author : James C.W. Chien
language : en
Publisher: Elsevier
Release Date : 2012-12-02
Polyacetylene written by James C.W. Chien and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-02 with Science categories.
Polyacetylene: Chemistry, Physics, and Material Science reviews the chemistry, physics, and material science of polyacetylene. Topics covered include polymerization and crystal structure of polyacetylene, isomerization, neutral defects, and solitons. Globular morphology and the effect of heat of polymerization on polyacetylene are also discussed, along with doping and chemical reactions of polyacetylene. This book is comprised of 12 chapters and begins with an introduction to a few basic principles of polymer chemistry and solid-state physics, followed by an overview of charge-transfer salts and conducting polymers other than polyacetylene and a historical background on polyacetylene and a general description of its properties. The next chapter gives a detailed treatment of polymerization, with particular reference to the mechanisms and kinetics of acetylene polymerization and direct determination of polyacetylene molecular weight by radioquenching. The remaining chapters focus on the crystal structures and morphology of undoped polyacetylenes; methods of isomerization; spectroscopic, physical, and mechanical properties of undoped polyacetylene; and various chemical reactions of polyacetylene and polymethylacetylene. The probable mechanisms of doping are proposed and theoretical models for polyacetylene are presented. The final chapter considers a few technical applications of polyacetylene. This monograph will be of interest to chemists, physicists, and polymer scientists and engineers.
Developments In Polyacetylene Nanopolyacetylene
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Author : V.M. Kobryanskii
language : en
Publisher: iSmithers Rapra Publishing
Release Date : 2000
Developments In Polyacetylene Nanopolyacetylene written by V.M. Kobryanskii and has been published by iSmithers Rapra Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Technology & Engineering categories.
This review discusses the preparation of highly ordered polyacetylene blends and compares forms of polyacetylene obtained by different methodsand includes an analysis of the formation of defects in polyacetylene during growth of the polyene chain and cis-trans isomerisation. The mechanism of acetylene polymerisation with rhenium catalysts, and the reactivity of highly ordered polyacetylene blends to oxidation and doping are also discussed. An additional indexed section containing several hundred abstracts from the Rapra Polymer Library database gives useful references for further reading.
Acetylene And Its Polymers
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Author : Seth C. Rasmussen
language : en
Publisher: Springer
Release Date : 2018-07-21
Acetylene And Its Polymers written by Seth C. Rasmussen and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-07-21 with Science categories.
This Brief presents for the first time a detailed historical overview of the development of acetylene polymers, beginning with the initial discovery of acetylene in 1836 and continuing up through the 2000 Nobel Prize in Chemistry. The polymerization of acetylene is most commonly associated with polyacetylene, which was found to be conductive when treated with oxidizing agents such as Br2 or I2 in the mid‐to‐late 1970s. In fact, under the right conditions, oxidized polyacetylenes can exhibit conductivities into the metallic regime, thus providing the first example of an organic polymer exhibiting metallic conductivity. As a consequence, the 2000 Nobel Prize in Chemistry was awarded to Hideki Shirakawa, Alan MacDiarmid, and Alan Heeger for this pioneering research, the award citation reading “for the discovery and development of electrically conductive polymers.” Because of this, most incorrectly view polyacetylene, as well as conducting polymers in general, to originate in the 1970s. In this work, the author examines the polymerization of acetylene from early thermal polymerization studies to the ultimate production of the fully conjugated polyacetylene. Although true polyacetylene was not successfully produced until the 1950s by Giulio Natta, the polymerization of acetylene dates back to 1866 with the work of Marcellin Berthelot. These initial efforts were continued by a range of scientists to produce a polymeric material collectively given the name cuprene in 1900 by Paul Sabatier. Between the initial cuprene studies and the production of true polyacetylene, two related materials were also studied, usually referred to as polyenes and polyvinylenes. Although both of these materials could be thought of as forms of polyacetylene, neither was actually generated from the direct polymerization of acetylene. Readers will gain insight into the fact that polyacetylene and conducting organic polymers have a much longer history than commonly believed and involved the work of a significant number of Nobel Laureates.
Polyacetylene And Polyarylenes
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Author : I. V. Krivoshei
language : en
Publisher: Gordon & Breach Science Pub
Release Date : 1991-01-01
Polyacetylene And Polyarylenes written by I. V. Krivoshei and has been published by Gordon & Breach Science Pub this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991-01-01 with Science categories.
This monograph presents a chemical approach to the design of physical and chemical properties of conducting polymers. By means of treating intrinsic features of different polymers, the authors consider general regularities and phenomena connecting micro- and macro-scopic structures with conducting properties. A critical analysis of recent theory on electrophysical behavior based on solition/polaron pictures is also included. Due to the vast number of references cited, the monograph can be regarded as a guide book on the principles of design and physical and chemical properties of conducting polymers, as well as their possible industrial applications.
Polyacetylene And Other Inherently Conducting Polymers
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Author : Walter Sedriks
language : en
Publisher:
Release Date : 1984
Polyacetylene And Other Inherently Conducting Polymers written by Walter Sedriks and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with Conducting polymers categories.
Polydiacetylenes
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Author : D. Bloor
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-03-09
Polydiacetylenes written by D. Bloor and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-09 with Science categories.
The polydiacetylenes are a class of polymers that are attrac ting increasing attention worldwide. There are many reasons for this interest one of the most important being the availability of many polydiacetylenes as macroscopic, high quality, single crystals. This fact was first reported in the pioneering work of Prof. G. Hegner on the solid-state polymerization of disub stituted diacetylenes in the late 1960s. Since then studies of the polymerization process and the properties of monomers and polymers have advanced understanding of solid-state reactivity and the physiCS of quasi-one-dimensional materials. More recently work on soluble polydiacetylenes, gels and films has been of interest for both academic and technological reasons. Progress in this area has required a combination of research disciplines ranging from synthetic organic chemistry to solid state physics. The interdisciplinary effort required for success ful research in polydiacetylenes was reflected in the mix of chemists, physicists and materials scientists who attended the Workshop. The emerging potential for commercial applications of polydiacetylenes was also evident in the nearly equal partici pation of academic and industrial/government scientists. The WOrkshop was the first major international meeting to focus solely on polydiacetylenes. It provided a forum in which problems of mutual interest could be discussed by scientists with diverse backgrounds and interests. It also satisfied the need for a review of the science of these materials at a time when this basic understanding is leading to technological applications.
Handbook Of Advanced Electronic And Photonic Materials And Devices Ten Volume Set
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Author : Hari Singh Nalwa
language : en
Publisher: Academic Press
Release Date : 2000-10-09
Handbook Of Advanced Electronic And Photonic Materials And Devices Ten Volume Set written by Hari Singh Nalwa and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000-10-09 with Technology & Engineering categories.
Vol. 1: Semiconductors;Vol. 2: Semiconductors Devices;Vol. 3: High-Tc Superconductors and Organic Conductors; Vol. 4: Ferroelectrics and Dielectrics; Vol. 5: Chalcogenide Glasses and Sol-Gel Materials; Vol. 6 Nanostructured Materials; Vol. 7: Liquid Crystals, Display and Laser Materials; Vol. 8: Conducting Polymers; Vol. 9: Nonlinear Optical Materials; Volume 10: Light-Emitting Diodes, Lithium Batteries and Polymer Devices
Optical Properties Of Low Dimensional Materials
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Author : Tetsuo Ogawa
language : en
Publisher: World Scientific
Release Date : 1998
Optical Properties Of Low Dimensional Materials written by Tetsuo Ogawa and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Science categories.
This book surveys recent theoretical and experimental studies of optical properties of low-dimensional materials. As an extended version of Optical Properties of Low-Dimensional Materials (Volume 1, published in 1995 by World Scientific), Volume 2 covers a wide range of interesting low-dimensional materials including both inorganic and organic systems, such as disordered polymers, deformable molecular crystals, dilute magnetic semiconductors, SiGe/Si short-period superlattices, GaAs quantum wires, semiconductor microcavities, and photonic crystals. There are excellent review articles by promising researchers in each field. All the materials introduced in this book yield new optical phenomena originating from their mesoscopic and low-dimensional electronic characters and electron-lattice couplings, which offer a new research field of materials science as well as condensed-matter and optical physics. Volumes 1 and 2 are interrelated but can be read independently. They are pitched at the level of graduate students and are useful to both students and scientists.
Applications Of Electroactive Polymers
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Author : Bruno Scrosati
language : en
Publisher: Springer Science & Business Media
Release Date : 1993-05-31
Applications Of Electroactive Polymers written by Bruno Scrosati and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993-05-31 with Science categories.
Electroactive polymers have been the object of increasing academic and industrial interest and in the past ten to fifteen years substantial progress has been achieved in the development and the characterization of this important new class of conducting materials. These materials are usually classified in two large groups, according to the mode of their electric transport. One group includes polymers having transport almost exclusively of the ionic type and they are often called 'polymer electrolytes' or, in a broader way, 'polymer ionics'. The other group includes polymeric materials where the transport mechanism is mainly electronic in nature and which are commonly termed 'conducting polymers'. Ionically conducting polymers or polymer ionics may be typically described as polar macromolecular solids in which one or more of a wide range of salts has been dissolved. The most classic example is the combina tion of poly(ethylene oxide), PEO, and lithium salts, LiX. These PEO-LiX polymer ionics were first described and proposed for applications just over ten years ago. The practical relevance of these new materials was im mediately recognized and in the course of a few years the field expanded tremendously with the involvement of many academic and industrial lab oratories. Following this diversified research activity, the ionic transport mechanism in polymer ionics was soon established and this has led to the development of new host polymers of various types, new salts and advanced polymer architectures which have enabled room temperature conductivity to be raised by several orders of magnitude.
Structure And Properties Of Conducting Polymer Composites
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Author : V. E. Gul
language : en
Publisher: VSP
Release Date : 1996-03
Structure And Properties Of Conducting Polymer Composites written by V. E. Gul and has been published by VSP this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996-03 with Science categories.
This volume in the "New Concepts in Polymer Science" series is devoted to various aspects of the structure and properties of electrically conductive polymer composites.
