Conjugated Conducting Polymers |
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Page 83
In the independent - electron limit , the quasi - one - dimensional nature of the
polyenes leads to a concentration of the oscillator strength in the transition to the
lowest optically allowed state ; in physics terminology , this concentration is ...
In the independent - electron limit , the quasi - one - dimensional nature of the
polyenes leads to a concentration of the oscillator strength in the transition to the
lowest optically allowed state ; in physics terminology , this concentration is ...
Page 166
Increasing disorder leads to the formation of band tails and a gradual filling of the
gap with density of states , but it cannot explain the sudden appearance and the
high value of N ( Ef ) in a simple way . A second model , also related to doping ...
Increasing disorder leads to the formation of band tails and a gradual filling of the
gap with density of states , but it cannot explain the sudden appearance and the
high value of N ( Ef ) in a simple way . A second model , also related to doping ...
Page 290
... appears in “ absorption " mode . The observed time evolution of these signals
after laser pulse excitation leads to the conclusion that during the laser pulse a
pair of triplets is formed on - chain with all triplet levels equally populated , i . e ...
... appears in “ absorption " mode . The observed time evolution of these signals
after laser pulse excitation leads to the conclusion that during the laser pulse a
pair of triplets is formed on - chain with all triplet levels equally populated , i . e ...
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Contents
Introduction | 1 |
An Overview of the Theory of rConjugated Polymers | 7 |
IndependentElectron | 17 |
Copyright | |
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Common terms and phrases
absorption addition applied approach approximation atoms band behaviour bipolarons bond bond alternation calculations carriers chain charged chemical concentration conductivity configuration conjugated polymers correlation corresponding Coulomb Coulomb interactions coupling decreases defects density dependence described determined dimerization discussed dopant doping effects electron electron-electron electron-phonon ENDOR energy excitations expected experimental experiments field finite frequency function give ground Hamiltonian hopping Hubbard hyperfine important increase indicated interactions interpretation involving lattice leads length Lett limit magnetic materials measurements metallic methods modes motion neutral nuclear observed obtained one-dimensional optical pair parameter peak phonon Phys physical polarons polyacetylene polyenes polymers position properties range relaxation resonance respect samples Sect shift shown shows similar single Solid soliton spectra spectrum spin structure studies symmetry Synth temperature theoretical theory trans-(CH transition units valence values whereas