## Conjugated conducting polymers |

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Page 81

These studies have used

spectroscopy techniques on both Feast-type and Shirakawa-type polyacetylene.

Pulsed

spin ...

These studies have used

**ENDOR**, triple**ENDOR**and multiple quantumspectroscopy techniques on both Feast-type and Shirakawa-type polyacetylene.

Pulsed

**ENDOR**techniques were used instead of continuous wave**ENDOR**. Thespin ...

Page 229

For N equivalent nuclear spins (/ = 1/2) coupled to an electron, there are at least (

N + 1) ESR lines, but only two NMR (

nuclear spins (S = 1/2) result in 2" ESR lines, but only 2N NMR (

For N equivalent nuclear spins (/ = 1/2) coupled to an electron, there are at least (

N + 1) ESR lines, but only two NMR (

**ENDOR**) lines, whereas N nonequivalentnuclear spins (S = 1/2) result in 2" ESR lines, but only 2N NMR (

**ENDOR**) lines.Page 249

The situation is however different in the case of

results from simple summation rather than multiple product of the various spectral

lines, as in the ESR case. Any form of pj must therefore reproduce simultaneously

...

The situation is however different in the case of

**ENDOR**where the spectrumresults from simple summation rather than multiple product of the various spectral

lines, as in the ESR case. Any form of pj must therefore reproduce simultaneously

...

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### Contents

Introduction | 1 |

An Overview of the Theory of Conjugated Polymers | 7 |

References | 114 |

Copyright | |

7 other sections not shown

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### Common terms and phrases

A.J. Heeger AsF5 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 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-(CH)x transition triplet valence bond values Vardeny