Conjugated Conducting Polymers |
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Page 48
For polarons ( see Fig . 2 . 18 and [ 2 . 99 ] ) the two localized electronic levels ( at
two ) lead to three distinct intra - gap absorptions , for which analytic expressions
are available [ 2 . 99 ] in the continuum limit : ( 1 ) 47 , a - function transition at w ...
For polarons ( see Fig . 2 . 18 and [ 2 . 99 ] ) the two localized electronic levels ( at
two ) lead to three distinct intra - gap absorptions , for which analytic expressions
are available [ 2 . 99 ] in the continuum limit : ( 1 ) 47 , a - function transition at w ...
Page 95
U on the transition energy , in agreement with ( 2 . 88 ) and ( 2 . 89 ) . On the other
hand , if localized states are involved , since the local densities differ in general ,
there is a shift in the optical transition . Consider as an example the transition ...
U on the transition energy , in agreement with ( 2 . 88 ) and ( 2 . 89 ) . On the other
hand , if localized states are involved , since the local densities differ in general ,
there is a shift in the optical transition . Consider as an example the transition ...
Page 229
41 ) The line splitting is the same for both transitions , i . e . ... By applying a
strong rf field to either nuclear transition ( 11 ) + 12 ) or 13 ) + | 4 ) at frequency
wnt a partial repopulation of the levels 12 ) and 14 ) occurs , which leads to a
change in ...
41 ) The line splitting is the same for both transitions , i . e . ... By applying a
strong rf field to either nuclear transition ( 11 ) + 12 ) or 13 ) + | 4 ) at frequency
wnt a partial repopulation of the levels 12 ) and 14 ) occurs , which leads to a
change in ...
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Contents
Introduction | 1 |
An Overview of the Theory of rConjugated Polymers | 7 |
References | 114 |
Copyright | |
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Common terms and phrases
absorption addition applied approach approximation atoms band behaviour bipolarons bond bond alternation calculations carriers chain charged chemical concentration conductivity configuration conjugated polymers contribution correlation corresponding Coulomb Coulomb interactions coupling decreases defects density dependence described determined dimerization discussed dopant doping effects electron electron-electron energy excitations expected experimental experiments field finite frequency function give ground Hamiltonian hopping Hubbard important increase indicated interactions interpretation involving lattice leads length Lett limit localized magnetic materials measurements metallic methods modes molecules motion neutral nuclear observed obtained optical pair parameter peak phonon Phys Physics polarons polyacetylene polyenes polymers position properties range relaxation resonance respect samples Sect separation shift shown shows similar single soliton spectra spectrum spin structure studies symmetry Synth temperature theoretical theory trans-(CH transition units valence values whereas