Conjugated Conducting PolymersHelmut G. Kiess, Dionys Baeriswyl |
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Page 83
... lead to 1B1 states . 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 ...
... lead to 1B1 states . 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 ...
Page 166
... 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 , is ...
... 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 , is ...
Page 290
... 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. in a totally symmetric singlet state as proposed by Tavan and Schulten [ 5.274 ] ...
... 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. in a totally symmetric singlet state as proposed by Tavan and Schulten [ 5.274 ] ...
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A.J. Heeger atoms Baeriswyl band band gap behaviour bipolarons bond alternation bond lengths calculations chain charge carriers charged solitons Chem chemical shift cis-(CH conducting polymers configuration conjugated polymers Coulomb interaction coupling Cryst D.K. Campbell decreases defects dimerization discussed dopant dopant concentration dopant molecules doping doping levels e-e interactions electron correlation electron spin electron-electron interactions electron-phonon ENDOR energy excitations exciton experimental finite polyenes frequency function Hamiltonian Hartree-Fock hopping Hubbard model Hückel inter-chain kink Kivelson lattice Lett linewidth magnetic metallic molecular neutral solitons nonlinear nonlinear optical nuclear observed one-dimensional optical absorption optical gap pair parameter peak Peierls Peierls-Hubbard model phonon Phys polarons polyacetylene polyenes polypyrrole polythiophene properties proton quantum quasi-particles Raman relaxation resonance Sect Solid State Commun spectra spectrum spin density SSH model susceptibility symmetry Synth theoretical theory thermoelectric coefficient trans trans-(CH trans-polyacetylene transition triplet valence bond values Vardeny