Conjugated Conducting PolymersHelmut G. Kiess, Dionys Baeriswyl |
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Page 195
... addition to the number of optical transitions and their position in energy , it is important to know the structure and intensity of the optical absorption bands . The optical absorption coefficients due to a charged soliton , a polaron ...
... addition to the number of optical transitions and their position in energy , it is important to know the structure and intensity of the optical absorption bands . The optical absorption coefficients due to a charged soliton , a polaron ...
Page 202
... addition , the absorption at 0.45 eV is accompanied by an increase of the absorption at 1.4 eV with relative change of about 0.1 and by bleaching in the intrinsic absorption region [ 4.97 ] . Measurements of the IR modes after a delay ...
... addition , the absorption at 0.45 eV is accompanied by an increase of the absorption at 1.4 eV with relative change of about 0.1 and by bleaching in the intrinsic absorption region [ 4.97 ] . Measurements of the IR modes after a delay ...
Page 285
... ADDITION REACTION Fig . 5.40 . Reaction scheme of the dimer initiation reaction : 1 ) Photo - excitation of the metastable monomer diradical M * ; 2 ) Displacement of the adjacent monomer molecule M ' ; 3 ) Formation of the diradical ...
... ADDITION REACTION Fig . 5.40 . Reaction scheme of the dimer initiation reaction : 1 ) Photo - excitation of the metastable monomer diradical M * ; 2 ) Displacement of the adjacent monomer molecule M ' ; 3 ) Formation of the diradical ...
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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