Conjugated Conducting PolymersHelmut G. Kiess, Dionys Baeriswyl |
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Page 64
... finite clusters , provide essential physical and analytic insight that can be difficult to obtain from more complete but highly numerical schemes . In the area of л - conjugated polymers , variational methods which have been applied ...
... finite clusters , provide essential physical and analytic insight that can be difficult to obtain from more complete but highly numerical schemes . In the area of л - conjugated polymers , variational methods which have been applied ...
Page 83
... finite , even , linear polyenes as symmetric ( A ) or antisymmetric ( B ) with respect to the two - fold axis perpendicular to the plane of the chain and passing through the centre of the chain ( see , e.g. , [ 2.158 ] ) . Further ...
... finite , even , linear polyenes as symmetric ( A ) or antisymmetric ( B ) with respect to the two - fold axis perpendicular to the plane of the chain and passing through the centre of the chain ( see , e.g. , [ 2.158 ] ) . Further ...
Page 87
... finite polyenes and the larger gaps of the PDA polymers compared to trans- ( CH ) ,. Two different explanations have been proposed . Firstly , the PDAs have , in addition to the conjugated л - orbitals , localized ' -orbitals and these ...
... finite polyenes and the larger gaps of the PDA polymers compared to trans- ( CH ) ,. Two different explanations have been proposed . Firstly , the PDAs have , in addition to the conjugated л - orbitals , localized ' -orbitals and these ...
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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