Abstract
Films of poly(2,5-dinonyl-1,4-phenylene-vinylene-1,4-phenylene-vinylene) spin coated or cast on lithium fluoride disks, either pristine or PTFE coated, where studied by vacuum ultraviolet (VUV) techniques in the 120-350nm range. Significant spectral differences in the low wavelength band corresponding to the aliphatic C(sp3)-H(1s) to unoccupied H(1s) transition were observed that could be related to orientation effects induced by the PTFE coating. The local density functional calculated spectrum was used to assign the different transitions and to obtain information of transition dipole moments.
| Original language | English |
|---|---|
| Pages (from-to) | 121-125 |
| Number of pages | 5 |
| Journal | Synthetic Metals |
| Volume | 142 |
| Issue number | 1-3 |
| DOIs | |
| State | Published - 13 Apr 2004 |
| Externally published | Yes |
Bibliographical note
Funding Information:This work was supported by the Danish Technical Research Council (STVF). We would also like to express sincere gratitude to Søren V. Hoffmann for technical support at the ASTRID storage ring and at the UV1 beamline.
Keywords
- Poly(phenylenevinylene)
- Vacuum ultraviolet spectroscopy
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics
- Mechanics of Materials
- Mechanical Engineering
- Metals and Alloys
- Materials Chemistry