Orientation of surfactant molecules at a liquid-air interface measured by optical second-harmonic generation
- 1 January 1985
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 31 (1) , 537-539
- https://doi.org/10.1103/physreva.31.537
Abstract
The average molecular orientation of a monolayer of sodium-dodecylnaphthalene-sulfonate on a water-air interface has been determined by use of optical second-harmonic generation. The molecular orientation is shown to vary smoothly with increasing surface density of the molecules.Keywords
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