Conjugated Conducting PolymersHelmut G. Kiess, Dionys Baeriswyl |
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Page 102
... Energy Peak and Triplet Absorptions . Besides the features described above , in several л - conjugated polymers one observes a high - energy peak in photo - induced absorption , which is not accompanied by additional IR modes and ...
... Energy Peak and Triplet Absorptions . Besides the features described above , in several л - conjugated polymers one observes a high - energy peak in photo - induced absorption , which is not accompanied by additional IR modes and ...
Page 144
... energy of the two structures is the same , whereas for e.g. poly ( p - phenylene ) , it is not . In the latter material the quinoid state has a higher energy than the ground state with the more benzenoid ( aromatic ) bond sequence ...
... energy of the two structures is the same , whereas for e.g. poly ( p - phenylene ) , it is not . In the latter material the quinoid state has a higher energy than the ground state with the more benzenoid ( aromatic ) bond sequence ...
Page 150
... energy , conduction in extended states can be assumed . 3.2.2 Conduction in Localized States Carriers in localized ... energy , also on the energy difference E ; - E¡ . An approximation proposed by Ambegaokar et al . [ 3.34 ] is often ...
... energy , conduction in extended states can be assumed . 3.2.2 Conduction in Localized States Carriers in localized ... energy , also on the energy difference E ; - E¡ . An approximation proposed by Ambegaokar et al . [ 3.34 ] is often ...
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A.J. Heeger atoms Baeriswyl band gap behaviour bipolarons bond alternation bond lengths calculations chain charge carriers charged solitons Chem chemical shift cis-(CH conducting polymers conjugated polymers correlation Coulomb interaction coupling Cryst D.K. Campbell defects dielectric function diffusion dimerization discussed dopant dopant concentration dopant molecules doping doping levels e-e interactions effects electron correlation electron spin electron-electron interactions electron-phonon ENDOR energy excitations exciton experimental frequency function Hamiltonian Hartree-Fock hopping Hubbard model Hückel hyperfine interactions inter-chain Kivelson lattice Lett linewidth magnetic metallic molecular neutral solitons nonlinear nonlinear optical nuclear observed obtained one-dimensional optical absorption optical gap parameters peak Peierls Peierls-Hubbard model phonon Phys polarons polyacetylene polyenes polypyrrole polythiophene properties proton quantum quasi-particles Raman resonance samples Sect shown in Fig spectra spectrum spin density structure symmetry Synth tensor theory trans trans-(CH trans-polyacetylene transition valence values Vardeny