Abstract
Surface Raman spectroscopy in ultrahigh vacuum is used to interrogate interfaces formed between tris(8- hydroxyquinoline) aluminum (Alq3) and vapor-deposited Ca. Vapor deposition of Ca onto Alq3 films results in the appearance of new vibrational modes consistent with the formation of a Ca-Alq3 adduct in which Ca is bound through the O of Alq3. In addition, the graphitic carbon is observed to form with the deposition of Ca onto Alq3 films. The frequency and relative peak height ratios of graphitic D-band and G-band observed are consistent with more disordered sp3-type carbon forming upon partial decomposition of the organic film.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 4397-4402 |
| Number of pages | 6 |
| Journal | Journal of Physical Chemistry A |
| Volume | 113 |
| Issue number | 16 |
| DOIs | |
| State | Published - Apr 23 2009 |
ASJC Scopus subject areas
- Physical and Theoretical Chemistry
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