## Conjugated conducting polymers |

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Page 169

The conductivity stays high at a constant

the GHz range. At higher frequencies, a decrease in conductivity is reported for

polyacetylene and interpreted as Drude-like free- carrier absorption [3.104].

The conductivity stays high at a constant

**value**for all frequencies extending intothe GHz range. At higher frequencies, a decrease in conductivity is reported for

polyacetylene and interpreted as Drude-like free- carrier absorption [3.104].

Page 237

There is uncertainty in the

$s of the chains; p can, e.g., be in the range 90°-100° and <f>s around 55°.

Projection of the crystal structure in the ab plane is shown in Fig. 5.7. The

calculated ...

There is uncertainty in the

**values**of the monoclinic angle P and the setting angle$s of the chains; p can, e.g., be in the range 90°-100° and <f>s around 55°.

Projection of the crystal structure in the ab plane is shown in Fig. 5.7. The

calculated ...

Page 240

Although the quantum mechanical calculation of the chemical shift tensor is

rather involved and reliable theoretical

molecules, it is nevertheless an experimentally accessible quantity and helps to ...

Although the quantum mechanical calculation of the chemical shift tensor is

rather involved and reliable theoretical

**values**are difficult to obtain for largemolecules, it is nevertheless an experimentally accessible quantity and helps to ...

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### Contents

Introduction | 1 |

An Overview of the Theory of Conjugated Polymers | 7 |

References | 114 |

Copyright | |

5 other sections not shown

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### Common terms and phrases

A.J. Heeger atoms Baeriswyl band band gap behaviour bipolarons bond alternation bond lengths calculations CH)x chain charged solitons Chem chemical shift coefficient conducting polymers configuration conjugated polymers correlation Coulomb interactions coupling Cryst D.K. Campbell decreases defects dependence dimerization discussed dopant dopant concentration doping doping levels e-e interactions effects electron spin electron-electron interactions electron-phonon ENDOR energy excitations exciton experimental Fermi finite polyenes frequency function Hamiltonian Hartree-Fock Heeger Hiickel hopping Hubbard model hyperfine interactions inter-chain kink lattice Lett linewidth magnetic metallic molecular neutral solitons nonlinear nonlinear optical nuclear observed obtained one-dimensional optical absorption optical gap parameter peak Peierls Peierls-Hubbard model phonon Phys polarons polyacetylene polyenes polypyrrole polythiophene properties proton quantum quasi-particles Raman relaxation resonance Sect shown in Fig soliton spectra spectrum spin density SSH model structure symmetry Synth temperature theoretical theory trans trans-(CH)x transition triplet valence bond values Vardeny