Excimer Fluoresccence in Spread Monolayers of the Bromide Salt of N-(1-octadecyl)-4-stilbazone
Dueweke, Thomas J.
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To demonstrate how monolayers are used as research tools, it is necessary to consider some basic properties of liquid surfaces. Emphasis will be placed on surface tension because it accounts for several characteristics of liquid surfaces and has a strong thermodynamic foundation. Throughout the discussion it should be kept In mind that a free liquid surface as such does not exist. We speak of liquid surfaces because the properties of gas-liquid interfaces are not terribly sensitive to the nature of common gaseous phases (N2, air, H20 vapor). In practice, however, close attention must be paid to possible effects of the gaseous phase on the molecular films and/or the surface itself.