Vacuum UV of a PPV type polymer and possible PTFE induced orientation

Mikkel Jørgensen*, Peter Sommer-Larsen, Kion Norrman, Frederik C. Krebs

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

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 languageEnglish
Pages (from-to)121-125
Number of pages5
JournalSynthetic Metals
Volume142
Issue number1-3
DOIs
StatePublished - 13 Apr 2004
Externally publishedYes

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

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