Optical characterization of PTCDA films grown on passivated semiconductor substrates

T. U. Kampen, G. Salvan, M. Friedrich, D. A. Tenne, S. Park, D. R.T. Zahn

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

3,4,9,10-Perylenetetracarboxylic dianhydride (PTCDA) was deposited on passivated Si(111) and GaAs(001) surfaces using organic molecular beam deposition (OMBD). The growth of the PTCDA films was monitored in situ and on-line by means of Raman spectroscopy. In addition, ex situ infrared (IR) spectra were recorded in order to observe the non-Raman active modes. Raman and IR spectra reveal molecular vibrational modes, allowing us to characterize the structural quality of the PTCDA films and the interaction with the substrate.

Original languageEnglish
Pages (from-to)387-391
Number of pages5
JournalApplied Surface Science
Volume166
Issue number1
DOIs
StatePublished - 9 Oct 2000

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