The structure of PMDA-PDA polyimide monolayers adsorbed on gold surfaces

M. Keil, J. J. Paggel, Th Schedel-Niedrig, S. Yokoyama, H. Sotobayashi, A. M. Bradshaw

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Monolayers of the rod-like PMDA-PDA polyimide adsorbed on flame-annealed polycrystalline gold films have been studied with scanning tunnelling microscopy (STM) and X-ray absorption spectroscopy. The polyimide layer was deposited using the Langmuir-Blodgett preparation technique of Imai and Kakimoto. STM measurements in air showed that the polyimide chains were aligned along the 〈211〉 directions of the {111}-oriented single crystal regions of the surface. Although {111}-oriented areas were barely identifiable in the corresponding UHV experiments, aligned polymer chains were also observed over large areas of the surface. X-ray absorption measurements on the latter samples at the nitrogen K-edge showed a preferential orientation of the aromatic ring planes.

Original languageEnglish
Pages (from-to)377-381
Number of pages5
JournalApplied Surface Science
Volume90
Issue number3
DOIs
Publication statusPublished - Nov 1995
Externally publishedYes

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Polyimides
Gold
Monolayers
Scanning tunneling microscopy
X ray absorption spectroscopy
X ray absorption
Polymers
Nitrogen
Single crystals
Air
Experiments

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Condensed Matter Physics
  • Physics and Astronomy(all)
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films

Cite this

Keil, M., Paggel, J. J., Schedel-Niedrig, T., Yokoyama, S., Sotobayashi, H., & Bradshaw, A. M. (1995). The structure of PMDA-PDA polyimide monolayers adsorbed on gold surfaces. Applied Surface Science, 90(3), 377-381. https://doi.org/10.1016/0169-4332(95)00178-6

The structure of PMDA-PDA polyimide monolayers adsorbed on gold surfaces. / Keil, M.; Paggel, J. J.; Schedel-Niedrig, Th; Yokoyama, S.; Sotobayashi, H.; Bradshaw, A. M.

In: Applied Surface Science, Vol. 90, No. 3, 11.1995, p. 377-381.

Research output: Contribution to journalArticle

Keil, M, Paggel, JJ, Schedel-Niedrig, T, Yokoyama, S, Sotobayashi, H & Bradshaw, AM 1995, 'The structure of PMDA-PDA polyimide monolayers adsorbed on gold surfaces', Applied Surface Science, vol. 90, no. 3, pp. 377-381. https://doi.org/10.1016/0169-4332(95)00178-6
Keil, M. ; Paggel, J. J. ; Schedel-Niedrig, Th ; Yokoyama, S. ; Sotobayashi, H. ; Bradshaw, A. M. / The structure of PMDA-PDA polyimide monolayers adsorbed on gold surfaces. In: Applied Surface Science. 1995 ; Vol. 90, No. 3. pp. 377-381.
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