Conjugated Conducting PolymersHelmut G. Kiess, Dionys Baeriswyl |
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Page 182
... absorption and broaden the absorption peak at Eg . Ab initio self - consistent - field restricted Hartree - Fock calculations performed on polyacetylene [ 4.21 , 22 ] and on poly ( diacetylene ) overestimate the band gaps of these ...
... absorption and broaden the absorption peak at Eg . Ab initio self - consistent - field restricted Hartree - Fock calculations performed on polyacetylene [ 4.21 , 22 ] and on poly ( diacetylene ) overestimate the band gaps of these ...
Page 199
... absorption band at about 2 eV ( Fig . 4.13 ) . These bands are independent of both the chemical nature and the ... absorption due to the relatively abundant neutral solitons ( 1019 per cm3 ) in trans- ( CH ) ,. The striking result was ...
... absorption band at about 2 eV ( Fig . 4.13 ) . These bands are independent of both the chemical nature and the ... absorption due to the relatively abundant neutral solitons ( 1019 per cm3 ) in trans- ( CH ) ,. The striking result was ...
Page 206
Helmut G. Kiess, Dionys Baeriswyl. Photo - induced absorption measurements in poly ( thiophene ) show two absorption bands at 0.45 eV and 1.25 eV , and four strong and four weak infra - red bands [ 4.117 , 118 ] . The optical transitions ...
Helmut G. Kiess, Dionys Baeriswyl. Photo - induced absorption measurements in poly ( thiophene ) show two absorption bands at 0.45 eV and 1.25 eV , and four strong and four weak infra - red bands [ 4.117 , 118 ] . The optical transitions ...
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Common terms and phrases
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