Electronic Properties of Polymers: Orientation and Dimensionality of Conjugated Systems Proceedings of the International Winter School, Kirchberg, (Tyrol) Austria, March 9–16, 1991

Front Matter....Pages I-XIV
Front Matter....Pages 1-1
Survey of “Intrinsically Conducting Organic Materials”....Pages 3-7
Front Matter....Pages 9-9
The Metallic State of Heavily Doped Trans-Polyacetylene....Pages 11-15
On the Semiconductor-Metal Transition in Conducting Polymers....Pages 16-20
Ill-Aligned Polymer Chains....Pages 21-24
Competing Electron-Electron/Electron-Phonon Interactions and Polyacetylene....Pages 25-31
Electronic Properties of Lattice Solutions for the Continuum Model of Conducting Polymers....Pages 32-37
Polaron and Soliton Lattices Within One-Particle Models of Conducting Polymers with a Degenerate Ground State....Pages 38-42
Solitons, Twistons and Crystallinity on Conducting Polymers....Pages 43-49
Correlation Effects in the Spectra of Soliton Containing Polyenes....Pages 50-53
Interpretation of the Photoinduced Infrared Spectra of Oriented Polyacetylene and Triblock Copolymers....Pages 54-59
Excitons in Chains of Thiophene Rings....Pages 60-62
Electronic Properties of Nonconjugated Polymers: 1,4-Polybutadiene and 1,4-Polyisoprene....Pages 63-67
Optical Transitions and Photoconductivity in Oriented Trans-Polyacetylene....Pages 68-71
Bound States and Non-Monotonic Relaxation Rate in M-X Chains....Pages 72-77
Front Matter....Pages 79-79
High-σ and Low-σ Polyacetylene: A Comparison....Pages 81-85
A Microscopic Picture for Very High Conductivities in Polymers....Pages 86-89
Percolation in Conducting Polymers — Well and Alive!....Pages 90-97
Implications of the Linear Thermopower of New Polyacetylene....Pages 98-101
The General Temperature Dependence of the Fluctuation-Induced Tunnelling Current. Application to Naarmann-Polyacetylene....Pages 102-105
Charge Transport and Its Anisotropy of Pristine and Segmented New (CH) x ....Pages 106-111
Front Matter....Pages 79-79
DC Electrical Anisotropy of Stretchoriented Polyacetylene: Doping and Temperature Dependence....Pages 112-116
Discontinuity and Anisotropy of Conducting Phase in Heterogeneous Systems as Seen by Alternating Current Measurements....Pages 117-120
Small Polarons in Polymerie Tetrathiafulvalenes (PTTF)....Pages 121-124
Microwave Properties of Conductive Polymer Composites....Pages 125-129
In Situ Conductivity Measurements on p-Sexiphenylene and Polyphenylene....Pages 130-133
Front Matter....Pages 135-135
Raman Characterization of Polarons and Bipolarons in Conducting Polymers....Pages 137-143
The Bond Alternation Linear Chain in Resonance Raman Scattering....Pages 144-149
Correlation of Electronic Properties and Raman Spectra Within a Series of Polymethine Dyes....Pages 150-156
Triplet States in Polydiacetylenes: T-ADMR in Zero Field Between 1.2 and 230 K....Pages 157-161
Femtosecond Optical Absorption in Conjugated Polymers....Pages 162-166
Photoinduced Bipolaron Bands and Vibrational Modes in Poly(isothianaphtene)....Pages 167-171
Fast Processes in Polyphenylene Vinylene: PS-Absorption Studies and Computer Simulation....Pages 172-175
In Situ Spectroscopic Studies on Viologen Functionalized Poly(3-Alkylthiophenes) During Electrochemical Redox Processes....Pages 176-179
Front Matter....Pages 181-181
Nonlinear Optical Properties of Conjugated Polymers....Pages 183-189
Macromolecular Interactions and Their Influence on the Nonlinear Optical Susceptibility....Pages 190-195
Step Potential Model for Nonlinear Optical Properties of Polyenes....Pages 196-201
Nonlinear Optics with Oriented Conjugated Polymer Thin Films....Pages 202-208
Second Harmonic Generation from Langmuir-Blodgett Films of Donor Acceptor Carotinoids....Pages 209-212
Quantitative Determination of the X (3) -Dispersion of Conjugated Polymers by Resonance CARS Line Shape Analysis....Pages 213-216
Time Resolved CARS Spectroscopy of the Series of Bisdimethylaminomethine Photoisomers....Pages 217-220
Front Matter....Pages 181-181
Electro-Modulation Spectroscopy of Poly(2,5-Thienylene Vinylene)....Pages 221-224
Front Matter....Pages 225-225
EPR Studies of Segmented Polyacetylene....Pages 227-230
Well Defined Polyacetylene-block-Poly(1,3-cyclopentylene Vinylene) Diblock Copolymers, Synthesis and Characterization....Pages 231-237
Optical and Electronic Properties of a Highly Disordered Form of Polyacetylene — Distinguishing Between Localized Defects and Conformational Disorder....Pages 238-241
Optical Properties and Conjugation-Length-Effects of Polyacetylenes and Copolymers....Pages 242-247
Electron Energy-Loss Spectroscopy on Doped and Undoped ß-Carotene....Pages 248-252
Front Matter....Pages 253-253
Properties of Solution Cast Films of Polyaniline and the Effects of Orientation....Pages 255-261
Transport Dimensionality in Conducting Polymers: The Case of Polyaniline....Pages 262-267
Low Temperature Transitions in Polyanilines....Pages 268-270
Vibrational Analysis of the Reduced Form of Polyaniline....Pages 271-275
In Situ FTIR-ATR-Spectroscopy of Polyaniline in Aqueous Solutions....Pages 276-279
Ellipsometric Analysis of the Conversion Processes in Thin Polyaniline Films....Pages 280-284
Slow Relaxation in Conducting Polymers....Pages 285-289
Front Matter....Pages 291-291
Control of Electronic and Physical Structure Through Modification of the Synthesis and Processing in Precursor-Route Poly(arylene vinylene) Polymers....Pages 293-297
Studies of the Vibrational Properties of Poly-(Arylene Vinylenes)....Pages 298-303
Electro-Optic Properties of Precursor Route Poly(arylene vinylene) Polymers....Pages 304-309
Polyparaphenylene Vinylene: SSH-Hamiltonian Description of the Electronic and Vibrational Properties....Pages 310-314
Mössbauer, EPR and Susceptibility Studies of Polypyrrole Doped with FeCl 3 ....Pages 315-320
Differential Pulse Polarography — A Versatile Tool in the Redox Chemistry of Conjugated Polymers....Pages 321-325
Front Matter....Pages 327-327
Anisotropy of Structure and Transport in Oriented Poly(3-alkylthiophene)....Pages 329-336
Front Matter....Pages 327-327
Determination of the Optical Constants of a Polythiophene Thin Film....Pages 337-340
Electrochemical Synthesis of Poly(dithieno thiophene)....Pages 341-345
NMR Studies of Poly(3-alkylthiophenes)....Pages 346-350
Modelling the Al/Polythiophene Interface: A Semiempirical Quantum Chemical Approach....Pages 351-355
Impedance Studies of Poly(4,4’-dialkyl-2,2’-bithiophenes)....Pages 356-359
Influence of Polymerization Irregularities on the Electronic Properties of Polythiophene....Pages 360-364
Luminescence Quenching in Poly(3-hexylthiophene) by Charge Injection in a Field Effect Transistor....Pages 365-368
A Solid State 1 H NMR Study of Motion in Polythiophenes....Pages 369-372
Resonance Raman Scattering and Optical Absorption from Neutral and Doped Oriented Poly(alkylthiophene) Films....Pages 373-378
Characterization of the Polythiophene Surface by Scanning Tunneling Microscopy....Pages 379-383
Polythiophenes Functionalized with Redoxactive Groups....Pages 384-389
Photoinduced Absorption Spectroscopy of Poly-3-Alkylthiophenes....Pages 390-394
Front Matter....Pages 395-395
Structural Criteria for Conjugated Polymer Design....Pages 397-400
Polyarenemethylidenes: A New Class of Low Gap Polymers....Pages 401-407
Synthetic Approach to Extended π-Systems....Pages 408-412
Preparation, Conductivity and Electrochemistry of Polyperinaphthalene — A Prototype of Two-Dimensional Conjugated Systems....Pages 413-418
Permanent Conductivity in Laser Converted Poly(Bis-Ethylthioacetylene) Using an Excimer and Ar + -Laser....Pages 419-423
Electronic Properties of Electrochemical Polymeric Carbon....Pages 424-428
Preparation and Electrical Properties of Plasma Polymer Metal Composite Films....Pages 429-433
Front Matter....Pages 435-435
Molecular Scale Electronics: Science Fiction or Science Fact?....Pages 437-442
Front Matter....Pages 435-435
Langmuir-Blodgett-Films of Polyenes....Pages 443-451
Extended Thiophene Oligomers: New Polyenes for Molecular Electronics....Pages 452-457
Semiconducting Properties of Organic Materials. Critical Analysis of Field-Effect Transistors....Pages 458-465
Trap-Controlled Mobility in Organic-Based Thin-Film Transistors....Pages 466-470
Optical Spectroscopy of Field-Induced Excitations in MIS Devices with the Durham ”Photoisomer” Polyacetylene as the Active Semiconductor....Pages 471-474
Catalytic Activity of Heteropolyanions Doped Conjugated Polymers....Pages 475-479
Electrolytic Capacitors with a Conducting Polymer....Pages 480-485
Processing of Electrically Conductive Polymers and Compounds — Tools for Exploring and Using Structures and Properties....Pages 486-496
Back Matter....Pages 497-501