Abstract
The structure of alkyl chains of azobenzene molecules at the air/water interface was studied using surface-specific sum-frequency vibrational spectroscopy. It was shown that the alkyl chains were well aligned before ultraviolet (UV) irradiation and protruding out of the surface with a certain distribution. The alkyl chains become less ordered by UV irradiation following dynamical motion due to cis-trans isomerization of azobenzene core. The alkyl chains show anisotropy in the direction perpendicular to that of the azobenzene core by linearly polarized UV irradiation.
| Original language | English |
|---|---|
| Article number | 061602 |
| Pages (from-to) | 616021-616026 |
| Number of pages | 6 |
| Journal | Physical Review E - Statistical, Nonlinear, and Soft Matter Physics |
| Volume | 68 |
| Issue number | 6 1 |
| Publication status | Published - 2003 Dec 1 |
| Externally published | Yes |
ASJC Scopus subject areas
- Statistical and Nonlinear Physics
- Statistics and Probability
- Condensed Matter Physics