Photophysical studies on nanostructured PPV-systems
- Gadermaier, C.
- List, E. J. W.
- Markart, P.
- Graupner, W.
- Partee, J.
- Shinar, J.
- Smith, R.
- Gin, D.
- Leising, G.
Publication date
January 2000
DOIAbstract
We have used continuous wave photoinduced absorption (PIA) to probe the (spin- 1/2 ) polaron and (spin-1) triplet excitations in bulk poly(para-phenylene vinylene) (PPV) films and isolated PPV chains incorporated into a self-assembled matrix ordered at the nanometer scale (nano-PPV). The ordering is a result of the lyotropic liquid crystalline character of the matrix material. We investigated the influence of the chain isolation on the transition energies and the effect of the resulting one-dimensionality on the excitation dynamics
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