Electronic Properties of Conjugated Polymers III: Basic Models and Applications Proceedings of an International Winter School, Kirchberg, Tirol, March

ISBN-13: 9783642838354 / Angielski / Miękka / 2012 / 484 str.

Hans Kuzmany; Michael Mehring; Siegmar Roth

Opis

This book deals with electrical, electrochemical, structural, magnetic, optical and lattice dynamical properties of conjugated polymers such as polyaniline, polyacetylene, polydiacetylene, polypyrrole, polyparaphenylene and polythiophene. Several new conjugated systems and model polyenes are also considered. Since the previous winter school on this topic held in 1985, the focus of interest in the field has broadened and now covers not only conductivity and relaxation phenomena of polyacetylene but also nonlinear optical properties, highly oriented and single crystal polymers, and electrochemical and opto-electrochemical properties of special materials. Particular attention is paid in this volume to the possible applications of these systems, for example, in electrochemical cells as electrode materials and in nonlinear optics devices, which now appear to be much more realistic than previously. The detailed contributions are complemented by short reviews of thin film polymers (Langmuir-Blodgett layers), filled polymers, ferromagnetic polymers, superconducting low-dimensional systems (including organic superconductors and high-temperature superconductors) and the application of fractal models to polymers.

Spis treści

I Transport, Structure.- Electronic Transport in Conducting Polymers.- The Effects of Intrachain Defects on the Electrical Anisotropy of Conducting Polymers.- Influence of the Catalyst on the Structure and Conductivity of Highly Conducting Polyacetylene.- Chemical n Doping of Polyacetylene with Alkaline and Tetraalkyl Ammonium Cations.- Super-Molecular Structure of Polyacetylenes and Electrical Conductivity.- Highly Conducting Polyanilines and Polyacetylene/Polyaniline Composites.- Simulation of the Cooperative Proton Motion in a Model Hydrogen-Bonded Chain.- Mass Transport in Conducting Polymers: An Experimental and Computer Simulation Study.- On the Structure of Lithium-Doped trans-Polyacetylene.- II Theory.- 3-D Structures and Intrinsic Defects in trans-Polyacetylene.- Polarons and Bipolarons in Conducting Polymers: The Role of Disorder and Coulomb Interaction.- Superconductivity in Models of Conducting Polymers.- Investigation of the Electronic Structure of Polymeric Vinylene Derivatives of Pyrene.- Quinoid-Aromatic Transition in Polythiophene-like Systems.- The Effect of Helical Conformation on the Electronic Structures of ?- and ?-Conjugated Polymers.- III Optical Excitation.- Phototransport in trans-Polyacetylene — A Short Review.- Photomodulation and Photoluminescence Spectroscopy of Poly(3-methylthiophene).- Photoexcited Triplet States in Poly(p-phenylene vinylene) and Model Oligomers.- Transient Photoconductivity in PPV — Influence of the Conjugation Length on Transport and Recombination.- Optical Properties of Polyparaphenylene Prepared by Precursor Polymers.- IV IR and Raman Spectroscopy.- Interpretation of Vibrational Spectra of Conducting Polymers by Means of an Effective Coordinate.- “Effective Coordinate” and the Interpretation of IR and Raman Spectra of Polypyrrole, Pristine and Doped.- Dynamics of Heterocyclic Polymers.- Raman Spectra of Polyphenylene-Vinylene and Similar Heterocyclic Compounds.- Resonance Raman Spectroscopy of Accumulation Layers in DurhamRoute Polyacetylene.- Laser-Impact Induced Isomerisation of a Film-Contained cis-Polyacetylene as Studied by Multichannel Raman Spectroscopy.- Specific Problems Concerning In Situ External Reflection Absorption Spectroscopy of Conducting Polymers.- Evidence of Polaron Defects in Halogen Bridged Mixed Valence Compounds from FIR Reflectivity Measurements.- V Electrochemistry, Polyanilines I.- Structural Changes in Conducting Polymers upon Electrochemically Induced Redox Processes.- The Electrochemistry of Polypyrrole Derivatives.- Synthesis and Electrochemical Properties of Substituted Polyanilines.- Proton Exchange Processes in the Electrochemical Reactions of Polyaniline.- Electrochemical Investigations of Electronic Conducting Polymers.- Memory Effect in Conducting Polymers: Case of Polyaniline.- VI Magnetic Resonance.- Spin Dynamics and Conductivity in Conducting Polymers.- Pulsed ENDOR Spectroscopy of Stretch-Oriented Feast-Type Polyacetylene.- Cluster Versus Random Doping in Polyaniline: A NMR Approach Based on the 19F-19F Dipole-Dipole Coupling.- Intercalation of Alkali Ions in Polyacetylene: NMR Studies.- Radical Anion Salts of Dicyanochinondiimine (DCNQI) with Metallic Counterions: New Low-Dimensional Conducting Systems.- VII Nonlinear Optics.- The Role of Solitons in the Nonlinear Optical Properties of Polyenes and Polyacetylene Chains.- Electronic Structure and Nonlinear Optical Properties of Polythiophene, Polythieno[3, 4-C]thiophene and Polyisothianaphthene Oligomers and Their Vinylene Derivatives.- Nonlinear Optical Properties of Thin Films of Polymers with a One-Dimensional Conjugated ?-Electron System.- Influence of the Film Preparation on the Nonlinear Optical Properties of Phthalocyanine Films.- Third Order Nonlinear Optical Properties of Precursor Route Poly(p-phenylene vinylene).- Development and Application of Optically Nonlinear Polymers.- Nonlinear Spectroscopy on Gap States of trans-Polyacetylene.- VIII Molecular Electronics.- Concepts of Molecular Information Storage.- Electronic Interferences Controlled by the Hydroquinone/Quinone Molecule Embedded in a (CH)x Chain.- Photodynamics of Reversible Charge Separation: A Molecular Model for a Cellular Automaton.- Progress Towards the Creation of a Three-Dimensional Molecular Memory.- Microelectronics of Artificial Neural Networks.- From Protein Engineering to Bioelectronics.- IX Polyanilines II.- Polyaniline: An Old Polymer with New Chemistry, New Physics, and Potential New Technology.- Characterization of Vapor-Deposited Polyaniline.- XPS Studies of Polyaniline.- Photoelectron Spectroscopic Study of Polyaniline as a Function of the Electrochemical Potential.- Spectroscopic Studies on the Electrochemical Doping of Polyaniline: Quantum Size Effects on the Metallic State.- In Situ Spectroscopy of Polyaniline.- In Situ FTIR Spectroscopy of Polyaniline Degradation.- Defect States in the Fully Oxidized Form of Polyaniline.- Oxidized Polyaniline: Effects of Protonation on the Electronic Structure of Pernigraniline.- Polaron-Induced Resonance Raman Scattering in Polyaniline.- X Polythiophenes.- Chromism in the Poly(3-alkylthiophenes).- Soluble Polyalkylthiophenes Obtained from Substituted Bithiophenes.- Conducting Polymers from 3, 4-Cycloalkylthiophenes.- Raman Spectroscopy of Anellated and Alkylated Polythiophenes.- Electronic Structure Studies of Undoped and Doped Polyisothianaphthene.- ?-Electronic Structure of Poly(3-hexylthiophene) Studied by Photoelectron Spectroscopy.- XI Polyenes and Oligoenes.- Lowest Energy Excited Singlet States of 2, 2?:5?, 2?-Terthiophene and 2, 2?-Thienylpyrrole.- Studies of Soluble Pyrrole Oligomers.- Spectroscopic Studies of the Model Oligomer Alpha-Sexithienyl in Its Neutral and Doped States.- Investigation of the Transient Photocurrent in ?-Carotene and a Donor-Acceptor Substituted Polyene.- Langmuir-Blodgett Films from Donor-Acceptor Substituted Polyenes.- XII High Temperature Superconductors.- Electronic Structure Studies of High-Tc Superconductors.- Infrared Properties of High-Tc YBa2Cu3O7 Films.- Coexisting Superconducting Phases in Bi-Sr-Ca-Cu-O Ceramics: New Features of Microwave Absorption.- XIII Applications.- Polypyrrole Supercapacitors.- Enzyme Entrapment in Conducting Organic Polymers: Application in Amperometric Biosensors.- Polymeric Semiconductor Devices.- Anisotropically Conducting Polyolefine/CT Complex Composites.- Post Polymerization Processing of Conductive Polymers (ICP): Integral Part of a New ICP Materials Science.- Recent Developments in the Chemistry and Applications of Electroactive Conjugated Polymers.- Layer-by-Layer Thin Film Deposition of Polypyrrole and Polyaniline.- Basic Polypyrrylenmethines — Chemical and Physical Properties.- Bridged Macrocyclic Transition Metal Complexes as Semiconducting Materials.- Progress in Science and Industrial Applications of Electroconducting Polymers and Related Compounds.- Index of Contributors.