Thin films with immobilized bis-crown-ether dye

Thin films based on photosensitive bis-crown-ether dye were prepared by Langmuir and “modified spreading” techniques. The maximal changes in the surface pressure – and surface potential–molecular area isotherms (the relative molecular area increase was about 16%), in the absorption (shifts of λ max...

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Bibliographic Details
Published in:Colloids and surfaces. A, Physicochemical and engineering aspects Physicochemical and engineering aspects, 2011-06, Vol.383 (1), p.120-124
Main Authors: Zaitsev, S. Yu, Zarudnaya, E.N., Zaitsev, I.S., Tsarkova, M.S., Lobova, N.A., Vedernikov, A.I., Gromov, S.P.
Format: Article
Language:English
Subjects:
Absorption
Dyes
Fluorescence
Isotherms
Langmuir-Blodgett films
Monolayers
Optical sensor materials
Photosensitive crown-ethers
Spectra
Spreading
Surface chemistry
Surface pressure
Thin films
Ultrathin films
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Summary:Thin films based on photosensitive bis-crown-ether dye were prepared by Langmuir and “modified spreading” techniques. The maximal changes in the surface pressure – and surface potential–molecular area isotherms (the relative molecular area increase was about 16%), in the absorption (shifts of λ max up to 9 nm) and fluorescence (shifts of λ max up to 17 nm) spectra of these films in the presence of diaminoalkane dihydrochlorides in the aqueous subphase were found.
ISSN:0927-7757
1873-4359
DOI:10.1016/j.colsurfa.2011.01.050