Conjugated Conducting PolymersHelmut G. Kiess, Dionys Baeriswyl |
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Page 169
... values were reported for polyacetylene [ 3.5 ] . Several attempts were made to determine the mobility of the charge carriers . Hall - effect measurements did not succeed , but magneto - resistance measurements look more promising ...
... values were reported for polyacetylene [ 3.5 ] . Several attempts were made to determine the mobility of the charge carriers . Hall - effect measurements did not succeed , but magneto - resistance measurements look more promising ...
Page 237
... values are large compared to the experi- mental values and because the M2 for a single planar chain is about 11.8 G2 , the consecutive phenylene rings , as in p - terphenylene [ 5.61 ] , must be twisted by an angle 1 . The calculations ...
... values are large compared to the experi- mental values and because the M2 for a single planar chain is about 11.8 G2 , the consecutive phenylene rings , as in p - terphenylene [ 5.61 ] , must be twisted by an angle 1 . The calculations ...
Page 240
... values are difficult to obtain for large molecules , it is nevertheless an experimentally accessible quantity and helps to differentiate between different types of conjugated structures . The measurement of a provides information about ...
... values are difficult to obtain for large molecules , it is nevertheless an experimentally accessible quantity and helps to differentiate between different types of conjugated structures . The measurement of a provides information about ...
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Common terms and phrases
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