I Introduction.- Survey of “Intrinsically Conducting Organic Materials”.- II Theory.- The Metallic State of Heavily Doped Trans-Polyacetylene With 1 Figure.- On the Semiconductor-Metal Transition in Conducting Polymers With 1 Figure.- I11-Aligned Polymer Chains.- Competing Electron-Electron/Electron-Phonon Interactions and Polyacetylene.- Electronic Properties of Lattice Solutions for the Continuum Model of Conducting Polymers With 3 Figures.- Polaron and Soliton Lattices Within One-Particle Models of Conducting Polymers with a Degenerate Ground State.- Solitons, Twistons, and Crystallinity on Conducting Polymers With 2 Figures.- Correlation Effects in the Spectra of Soliton Containing Polyenes With 2 Figures.- Interpretation of the Photoinduced Infrared Spectra of Oriented Polyacetylene and Triblock Copolymers With 2 Figures.- Excitons in Chains of Thiophene Rings With 2 Figures.- Electronic Properties of Nonconjugated Polymers: 1,4-Polybutadiene and 1,4-Polyisoprene With 1 Figure.- Optical Transitions and Photoconductivity in Oriented Trans-Polyacetylene With 1 Figure.- Bound States and Non-Monotonic Relaxation Rate in M-X Chains With 5 Figures.- III Transport.- High-? and low-? Polyacetylene: A Comparison With 1 Figure.- A Microscopic Picture for Very High Conductivities in Polymers With 2 Figures.- Percolation in Conducting Polymers — Well and Alive! With 3 Figures.- Implications of the Linear Thermopower of New Polyacetylene With 2 Figures.- The General Temperature Dependence of the Fluctuation-Induced Tunnelling Current. Application to Naarmann-Polyacetylene.- Charge Transport and Its Anisotropy of Pristine and Segmented New (CH)X With 2 Figures.- DC Electrical Anisotropy of Stretchoriented Polyacetylene: Doping and Temperature Dependence With 3 Figures.- Discontinuity and Anisotropy of Conducting Phase in Heterogeneous Systems as Seen by Alternating Current Measurements With 3 Figures.- Small Polarons in Polymeric Tetrathiafulvalenes (PTTF) With 3 Figures.- Microwave Properties of Conductive Polymer Composites With 2 Figures.- In Situ Conductivity Measurements on p-Sexiphenylene and Polyphenylene With 2 Figures.- IV Raman and Optical Spectroscopy.- Raman Characterization of Polarons and Bipolarons in Conducting Polymers With 4 Figures.- The Bond Alternation Linear Chain in Resonance Raman Scattering With 3 Figures.- Correlation of Electronic Properties and Raman Spectra With in a Series of Polymethine Dyes With 2 Figures.- Triplet States in Polydiacetylenes: T-ADMR in Zero Field Between 1.2 and 230 K With 4 Figures.- Femtosecond Optical Absorption in Conjugated Polymers With 5 Figures.- Photoinduced Bipolaron Bands and Vibrational Modes in Poly(isothianaphtene) With 3 Figures.- Fast Processes in Polyphenylene Vinylene: PS-Absorption Studies and Computer Simulation With 2 Figures.- In Situ Spectroscopic Studies on Viologen Functionalized Poly(3-Alkylthiophenes) During Electrochemical Redox Processes With 3 Figures.- V Nonlinear Optics.- Nonlinear Optical Properties of Conjugated Polymers With 4 Figures.- Macromolecular Interactions and Their Influence on the Nonlinear Optical Susceptibility With 4 Figures.- Step Potential Model for Nonlinear Optics Properties of Polyenes With 5 Figures.- Nonlinear Optics with Oriented Conjugated Polymer Thin Films With 4 Figures.- Second Harmonic Generation from Langmuir-Blodgett Films of Donor Acceptor Carotinoids With 4 Figures.- Quantitative Determination of the X(3)-Dispersion of Conjugated Polymers by Resonance CARS Line Shape Analysis With 3 Figures.- Time Resolved CARS Spectroscopy of the Series of Bisdimethylaminomethine Photoisomers With 2 Figures.- Electro-Modulation Spectroscopy of Poly(2,5-Thienylene Vinylene) With 3 Figures.- VI Polyacetylene.- EPR Studies of Segmented Polyacetylene With 5 Figures.- Well Defined Polyacetylene-block-Poly(l,3-cyclopentylene Vinylene) Diblock Copolymers, Synthesis and Characterization With 7 Figures.- Optical and Electronic Properties of a Highly Disordered Form of Polyacetylene — Distinguishing Between Localized Defects and Conformational Disorder With 3 Figures.- Optical Properties and Conjugation-Length-Effects of Polyacetylenes and Copolymers With 4 Figures.- Electron Energy-Loss Spectroscopy on Doped and Undoped ?-Carotene With 4 Figures.- VII Polyaniline.- Properties of Solution Cast Films of Polyaniline and the Effects of Orientation With 4 Figures.- Transport Dimensionality in Conducting Polymers: The Case of Polyaniline With 4 Figures.- Low Temperature Transitions in Polyanilines With 2 Figures.- Vibrational Analysis of the Reduced Form of Polyaniline With 3 Figures.- In Situ FTIR-ATR-Spectroscopy of Polyaniline in Aqueous Solutions With 3 Figures.- Ellipsometric Analysis of the Conversion Processes in Thin Polyaniline Films With 4 Figures.- Slow Relaxation in Conducting Polymers With 2 Figures.- VIII Polyphenylenevinylene, Polypyrrole.- Control of Electronic, and Physical Structure Through Modification of the Synthesis and Processing in Precursor-Route Poly(arylene vinylene) Polymers With 3 Figures.- Studies of the Vibrational Properties of Poly(arylene vinylenes) With 1 Figure.- Electro-Optic Properties of Precursor Route Poly(arylene vinylene) Polymers With 3 Figures.- Polyparaphenylene Vinylene: SSH-Hamiltonian Description of the Electronic and Vibrational Properties With 3 Figures.- Mössbauer, EPR and Susceptibility Studies of Polypyrrole Doped with FeCl3 With 3 Figures.- Differential Pulse Polarography — A Versatile Tool in the Redox Chemistry of Conjugated Polymers With 5 Figures.- IX Polythiophene.- Anisotropy of Structure and Transportin Oriented Poly(3-alkylthiophene) With 4 Figures.- Determination of the Optical Constants of a Polythiophene Thin Film With 4 Figures.- Electrochemical Synthesis of Poly(dithieno thiophene) With 4 Figures.- NMR Studies of Poly(3-alkylthiophenes) With 3 Figures.- Modelling the Al/Polythiophene Interface: A Semiempirical Quantum Chemical Approach With 3 Figures.- Impedance Studies of Poly(4,4’-dialkyl-2,2’-bithiophenes) With 3 Figures.- Influence of Polymerization Irregularities on the Electronic Properties of Polythiophene With 2 Figures.- Luminescence Quenching in Poly(3-hexylthiophene) by Charge Injection in a Field Effect Transistor With 2 Figures.- A Solid State 1H NMR Study of Motion in Polythiophenes With 3 Figures.- Resonance Raman Scattering and Optical Absorption from Neutral and Doped Oriented Poly(alkylthiophene) Films With 2 Figures.- Characterization of the Polythiophene Surface by Scanning Tunnelling Microscopy With 1 Figure.- Polythiophenes Functionalized with Redoxactive Groups With 2 Figures.- Photoinduced Absorption Spectroscopy of Poly-3-alkylthiophenes With 4 Figures.- X New Materials.- Structural Criteria for Conjugated Polymer Design.- Polyarenemethylidenes: A New Class of Low Gap Polymers With 1 Figure.- Synthetic Approach to Extended ?-Systems.- Preparation, Conductivity and Electrochemistry of Polyperinaphthalene - A Prototype of Two-Dimensional Conjugated Systems With 4 Figures.- Permanent Conductivity in Laser Converted Poly(Bis-Ethylthioacetylene) Using an Excimer and Ar+-Laser With 6 Figures.- Electronic Properties of Electrochemical Polymeric Carbon With 1 Figure.- Preparation and Electrical Properties of Plasma Polymer Metal Composite Films With 3 Figures.- XI Nearer and Further Future Applications.- Molecular Scale Electronics: Science Fiction or Science Fact? With 1 Figure.- Langmuir-Blodgett-Films of Polyenes With 6 Figures.- Extended Thiophene Oligomers: New Polyenes for Molecular Electronics With 4 Figures.- Semiconducting Properties of Organic Materials. Critical Analysis of Field-Effect Transistors With 1 Figure.- Trap-Controlled Mobility in Organic-Based Thin-Film Transistors With 2 Figures.- Optical Spectroscopy of Field-Induced Excitations in MIS Devices with the Durham “Photoisomer” Polyacetylene as the Active Semiconductor With 4 Figures.- Catalytic Activity of Heteropolyanions Doped Conjugated Polymers.- Electrolytic Capacitors with a Conducting Polymer With 3 Figures.- Processing of Electrically Conductive Polymers and Compounds — Tools for Exploring and Using Structures and Properties With 9 Figures.- Index of Contributors.