Conjugated Conducting PolymersHelmut G. Kiess, Dionys Baeriswyl |
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Page 102
... 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 therefore ...
... 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 therefore ...
Page 201
... peak at 0.45 eV is about 10-5--10-4 for samples of about 0.1 μm thickness . The 0.45 eV peak and the IR modes vary with temperature and with the exciting light intensity in the same way , whereas the absorption peak at 1.35 eV behaves ...
... peak at 0.45 eV is about 10-5--10-4 for samples of about 0.1 μm thickness . The 0.45 eV peak and the IR modes vary with temperature and with the exciting light intensity in the same way , whereas the absorption peak at 1.35 eV behaves ...
Page 279
... peak at -127 ppm shows the presence of some trans material in the starting cis- ( CH ) ,. With progressing doping , the line around - 127 ppm disappears and two new peaks≈ 150 ppm and ≈ 50 ppm appear . The broad downfield shifted line ...
... peak at -127 ppm shows the presence of some trans material in the starting cis- ( CH ) ,. With progressing doping , the line around - 127 ppm disappears and two new peaks≈ 150 ppm and ≈ 50 ppm appear . The broad downfield shifted line ...
Contents
Introduction | 1 |
An Overview of the Theory of лConjugated Polymers | 7 |
7 | 65 |
Copyright | |
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A.J. Heeger atoms Baeriswyl band band gap behaviour bipolarons bond alternation bond lengths calculations chain charged solitons Chem chemical shift cis-(CH conducting polymers configuration conjugated polymers Coulomb interactions coupling Cryst D.K. Campbell defects dependence dimerization discussed dopant 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 lattice Lett linewidth magnetic Metals molecular molecules neutral solitons nonlinear nonlinear optical nuclear observed obtained one-dimensional optical absorption optical gap parameter peak Peierls Peierls-Hubbard model phonon Phys polarons polyacetylene polyenes polypyrrole polythiophene properties proton quantum quasi-particles Raman relaxation resonance Sect shown in Fig Solid State Commun spectra spectrum spin density SSH model structure susceptibility symmetry Synth temperature theoretical theory trans trans-(CH trans-polyacetylene transition triplet valence bond values Vardeny