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    Fluorous Property of a Short Perfluoroalkyl-Containing Compound Realized by Self-Assembled Monolayer Technique on a Silicon Substrate

    Year: 2019

    Journal: Bull. Chem. Soc. Jpn., Volume 92, APR, page 785–789

    Authors: Kise, Ryuma; Fukumi, Aki; Shioya, Nobutaka; Shimoaka, Takafumi; Sonoyama, Masashi; Amii, Hideki; Takagi, Toshiyuki; Kanamori, Toshiyuki; Eda, Kazuo; Hasegawa, Takeshi

    Organizations: Iketani Science and Technology Foundation [0301031-A, 15H02185, 17K14502]; Japan Society for the Promotion of Science (JSPS)Ministry of Education, Culture, Sports, Science and Technology, Japan (MEXT)Japan Society for the Promotion of Science

    Keywords: Short perfluoroalkyl-containing compound; Self-assembled monolayer technique; Fluorous surface property

    Fluorous properties represented by water-and-oil repellency are perfluoroalkyl (R-f) compound-specific characteristics, which are widely used for surface coating of glass, electronic devices and textiles for preventing water and grease fouling. According to the stratified dipole-arrays (SDA) theory, the minimum R-f length of (CF2)(7) is theoretically necessary for realizing fluorous properties. Unfortunately, however, production of compounds involving this chemical unit is strictly banned because of concerns of environmental pollution, which is a big dilemma. Here, we show that the fluorous properties can be realized by self-assembled monolayer (SAM) even with a short R-f-containing compound, since the SAM technique makes the best use of the self-aggregation property of the R-f groups, and it readily makes the molecules immobile.
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