Conjugated Conducting PolymersHelmut G. Kiess, Dionys Baeriswyl |
From inside the book
Results 1-3 of 68
Page 31
... length ro is determined by the solution to dv dr 2po dt dr - 0 . ( 2.34 ) The length ro can be identified with the average bond length of polyacetylene . Note that since dt / dr is less than zero ( the hopping is a decreasing function ...
... length ro is determined by the solution to dv dr 2po dt dr - 0 . ( 2.34 ) The length ro can be identified with the average bond length of polyacetylene . Note that since dt / dr is less than zero ( the hopping is a decreasing function ...
Page 34
... length . In this second approach , it is natural to use the observed bond orders ( p ; ) and bond lengths ( r ; ) for different π - electron systems to determine 2. Equations ( 2.34 ) and ( 2.35 ) imply the following linear relationship ...
... length . In this second approach , it is natural to use the observed bond orders ( p ; ) and bond lengths ( r ; ) for different π - electron systems to determine 2. Equations ( 2.34 ) and ( 2.35 ) imply the following linear relationship ...
Page 80
... length dependent [ 2.251 ] , and therefore a complete analysis of the chain - length dependence is required before a realistic comparison with the data can be made . Several of the Hartree - Fock studies do not mention which chain lengths ...
... length dependent [ 2.251 ] , and therefore a complete analysis of the chain - length dependence is required before a realistic comparison with the data can be made . Several of the Hartree - Fock studies do not mention which chain lengths ...
Other editions - View all
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