Uptake of gases by aqueous solutions probed by surface nonlinear optical spectroscopy

Robert Doolen; Douglas Ray

doi:10.1117/12.221490

25 September 1995 Uptake of gases by aqueous solutions probed by surface nonlinear optical spectroscopy

Robert Doolen, Douglas Ray

Proceedings Volume 2547, Laser Techniques for Surface Science II; (1995) https://doi.org/10.1117/12.221490
Event: SPIE's 1995 International Symposium on Optical Science, Engineering, and Instrumentation, 1995, San Diego, CA, United States

Abstract

Surface second harmonic generation is used to investigate the behavior of solute molecules at the liquid water/vapor interface. This surface specific technique allows the determination of the relative energetics between molecules adsorbed at the interface and solute molecules in the bulk, as well as the energy barrier between them. Measurements of the surface excess of dimethyl sulfoxide on aqueous solutions are reported. These data, in combination with the results of other techniques, facilitate development of models for the mechanism of the uptake of gases by aqueous solutions. The results are discussed in reference to current models of the uptake of gases by aqueous solutions and their relevance to heterogeneous atmospheric processes.

Citation Download Citation

Robert Doolen and Douglas Ray "Uptake of gases by aqueous solutions probed by surface nonlinear optical spectroscopy", Proc. SPIE 2547, Laser Techniques for Surface Science II, (25 September 1995); https://doi.org/10.1117/12.221490

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