Absorption spectra of the anions of phenylenevinylene oligomers and polymer
✍ Scribed by J.M. Oberski; A. Greiner; H. Bässler
- Publisher
- Elsevier Science
- Year
- 1991
- Tongue
- English
- Weight
- 564 KB
- Volume
- 184
- Category
- Article
- ISSN
- 0009-2614
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The magnetic circular dichrcism (MCD) and absorption spectra of the monovalent anion of tribenzo [ 121 annulene have been measured in the visiib and the near-infrared region. Ihe absence of a temperature dependence of the MCD proves a non-degenerate ground state. An as.sigrunent of the spectra has b
Electronic-structure calculations based upon the Pariser᎐Parr᎐Pople semiempirical Hamiltonian were applied to short-chain oligomers of the conducting Ž . Ž . polymer poly p-phenylenevinylene PPV to study the effects of appending methoxy groups along the backbone as well as push᎐pull nitro and amino