Abstract
Publisher Summary This chapter reviews the efforts devoted for understanding the structure and properties of monolayers made of fluorinated surfactants, including the less conventional type of fluorinated amphiphiles represented by semifluorinated alkanes. It focuses on Langmuir monolayers, either spread at the air–water interface or transferred onto solid substrates (Langmuir–Blodgett monolayers), and on Gibbs films (adsorbed films). Recent results have shown that fluorinated amphiphiles are useful tools for investigating certain properties, such as phase transitions, that Gibbs and Langmuir monolayers have in common. The lateral phase separation into micron-size domains that occurs within mixed monolayers of fluorinated and hydrogenated surfactants is also discussed and a recently reported case of vertical phase segregation is illustrated in the chapter. Some examples of potential uses of fluorinated monolayers in biological sciences and in materials sciences are given in the chapter.
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