Conjugated Conducting PolymersHelmut G. Kiess, Dionys Baeriswyl |
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Page 9
... involving heteroatoms ( polythiophene and polypyrrole , Figs . 2.3a and 2.3b ) and those involving aromatic units ( poly- ( para ) -phenylene , Fig . 2.4a and poly- ( para ) - phenylene vinylene , Fig . 2.4b ) to polymers involving both ...
... involving heteroatoms ( polythiophene and polypyrrole , Figs . 2.3a and 2.3b ) and those involving aromatic units ( poly- ( para ) -phenylene , Fig . 2.4a and poly- ( para ) - phenylene vinylene , Fig . 2.4b ) to polymers involving both ...
Page 21
... involve two distinct sites , three - centre integrals if they involve three distinct sites , and so on . Below we will discuss various approximations which neglect the multi- centre integrals , i.e. those involving more than two ...
... involve two distinct sites , three - centre integrals if they involve three distinct sites , and so on . Below we will discuss various approximations which neglect the multi- centre integrals , i.e. those involving more than two ...
Page 195
... involving band states , and at w2 for the transition between the two levels in the gap . Since electron - hole symmetry is implicit in the SSH Hamiltonian , the levels are , as already mentioned , located symmetrically with respect to ...
... involving band states , and at w2 for the transition between the two levels in the gap . Since electron - hole symmetry is implicit in the SSH Hamiltonian , the levels are , as already mentioned , located symmetrically with respect to ...
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Common terms and phrases
A.J. Heeger atoms Baeriswyl band band gap behaviour bipolarons bond alternation bond lengths calculations chain charge carriers charged solitons Chem chemical shift cis-(CH conducting polymers configuration conjugated polymers Coulomb interaction coupling Cryst D.K. Campbell decreases defects dimerization discussed dopant dopant concentration dopant molecules 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 Kivelson lattice Lett linewidth magnetic metallic molecular neutral solitons nonlinear nonlinear optical nuclear observed one-dimensional optical absorption optical gap pair parameter peak Peierls Peierls-Hubbard model phonon Phys polarons polyacetylene polyenes polypyrrole polythiophene properties proton quantum quasi-particles Raman relaxation resonance Sect Solid State Commun spectra spectrum spin density SSH model susceptibility symmetry Synth theoretical theory thermoelectric coefficient trans trans-(CH trans-polyacetylene transition triplet valence bond values Vardeny