Conjugated Conducting PolymersHelmut G. Kiess, Dionys Baeriswyl |
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Page 188
... whereas the other two are strong . Since these transverse modes are also coupled to the π - electron density , the intensity of the lines is influenced by the mobile charge along the backbone . This is particularly evidenced by the in ...
... whereas the other two are strong . Since these transverse modes are also coupled to the π - electron density , the intensity of the lines is influenced by the mobile charge along the backbone . This is particularly evidenced by the in ...
Page 229
... whereas N nonequivalent nuclear spins ( S = 1/2 ) result in 2 ESR lines , but only 2N NMR ( ENDOR ) lines . Thus , for a fairly small number N , the ESR spectrum may become unresolved , whereas fewer lines in the NMR spectrum may lead ...
... whereas N nonequivalent nuclear spins ( S = 1/2 ) result in 2 ESR lines , but only 2N NMR ( ENDOR ) lines . Thus , for a fairly small number N , the ESR spectrum may become unresolved , whereas fewer lines in the NMR spectrum may lead ...
Page 272
... whereas it is Lorentzian with AB , < 1 G in the trans isomer . The presence of a narrow ( ABpp≈ 1G ) and a broad line in both cis- and trans- ( CH ) ,, doped lightly and slowly with ASF , and SbF ,, has been reported below room ...
... whereas it is Lorentzian with AB , < 1 G in the trans isomer . The presence of a narrow ( ABpp≈ 1G ) and a broad line in both cis- and trans- ( CH ) ,, doped lightly and slowly with ASF , and SbF ,, has been reported below room ...
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