Conjugated Conducting PolymersHelmut G. Kiess, Dionys Baeriswyl |
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Page 83
... lead to 1B1 states . In the independent - electron limit , the quasi - one - dimensional nature of the polyenes leads to a concentration of the oscillator strength in the transition to the lowest optically allowed state ; in physics ...
... lead to 1B1 states . In the independent - electron limit , the quasi - one - dimensional nature of the polyenes leads to a concentration of the oscillator strength in the transition to the lowest optically allowed state ; in physics ...
Page 154
... leads to an exciton - like state , due not only to Coulomb interaction but also to a lattice configuration such as that within a polaron . Indeed , experiments in cis- ( CH ) , demonstrate that photoconductivity is not observable , but ...
... leads to an exciton - like state , due not only to Coulomb interaction but also to a lattice configuration such as that within a polaron . Indeed , experiments in cis- ( CH ) , demonstrate that photoconductivity is not observable , but ...
Page 230
... leads , in combination with a flip - flop relaxation process ( W23 , W32 ) , to a nuclear spin polarization which can be as large as ye / n if no " leakage " effects are operative . When observing the nuclear spin polarization while ...
... leads , in combination with a flip - flop relaxation process ( W23 , W32 ) , to a nuclear spin polarization which can be as large as ye / n if no " leakage " effects are operative . When observing the nuclear spin polarization while ...
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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