Conjugated Conducting Polymers |
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Page 9
2 ) through polymers 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 ...
2 ) through polymers 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 ...
Page 21
Firstly , the matrix elements of Hze generally involve Wannier functions localized
about different centres , i . e ... Below we will discuss various approximations
which neglect the multicentre integrals , i . e . those involving more than two
different ...
Firstly , the matrix elements of Hze generally involve Wannier functions localized
about different centres , i . e ... Below we will discuss various approximations
which neglect the multicentre integrals , i . e . those involving more than two
different ...
Page 74
Several valence bond diagrams for hexatriene : a the covalent diagram
corresponding to the Kekulé structure , b covalent diagrams involving long bonds
, c some ionic diagrams involving double occupancies ( denoted by x ) and
vacancies ...
Several valence bond diagrams for hexatriene : a the covalent diagram
corresponding to the Kekulé structure , b covalent diagrams involving long bonds
, c some ionic diagrams involving double occupancies ( denoted by x ) and
vacancies ...
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Contents
Introduction | 1 |
An Overview of the Theory of rConjugated Polymers | 7 |
References | 114 |
Copyright | |
7 other sections not shown
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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