Monolayers of the photosensitive benzodithia-15-crown-5 derivative

The amphiphilic benzodithia-15-crown-5 styryl dye forms relatively stable insoluble monolayers on distilled water (collapse pressure is 34.5 mN m −1) and alkali metal cations (35.6–36.7 mN m −1) or heavy metal cations (24.2 mN m −1 for Ag +) in the aqueous subphase. Three types of the dye monolayer...

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Published in:Colloids and surfaces. A, Physicochemical and engineering aspects Physicochemical and engineering aspects, 2000-10, Vol.171 (1), p.283-290
Main Authors: Zaitsev, S.Yu, Baryshnikova, E.A, Sergeeva, T.A, Gromov, S.P, Fedorova, O.A, Yescheulova, O.V, Alfimov, M.V, Hacke, S, Zeiss, W, Möbius, D
Format: Article
Language:English
Subjects:
Alkali metal cations
Amphiphilic
Aqueous subphase
Benzodithia-15-crown-5
Distilled water
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Summary:The amphiphilic benzodithia-15-crown-5 styryl dye forms relatively stable insoluble monolayers on distilled water (collapse pressure is 34.5 mN m −1) and alkali metal cations (35.6–36.7 mN m −1) or heavy metal cations (24.2 mN m −1 for Ag +) in the aqueous subphase. Three types of the dye monolayer structures depending on the subphase nature (water, alkali metal or heavy metal cations) have been distinguished from surface pressure-molecular area and surface potential-molecular area isotherms, as well as observed by Brewster angle microscopy (BAM). The ionoselective and photosensitive properties of the amphiphilic dye in monolayers have been studied in the presence of K +, Na +, Hg 2+ and Ag + cations in the aqueous subphases.
ISSN:0927-7757
1873-4359
DOI:10.1016/S0927-7757(99)00565-8