Light-stimulated switching of azobenzene-containing self-assembled monolayers

Hamelmann F, Heinzmann U, Siemling U, Bretthauer F, der Bruggen JV (2004)
APPLIED SURFACE SCIENCE 222(1-4): 1-5.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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DOI
Autor*in
Hamelmann, FrankUniBi; Heinzmann, UlrichUniBi; Siemling, U; Bretthauer, F; der Bruggen, JV
Einrichtung
Centrum für Biotechnologie > Arbeitsgruppe U. Heinzmann
Fakultät für Physik > Lehrstuhl für Molekül- und Oberflächenphysik
Abstract / Bemerkung
Azobenzene-containing self-assembled monolayers (SAM) have been prepared on silicon by chemisorption of 4-trichlorosilylazobenzene and mixtures of 4-trichlorosilylazobenzene (TSA) and phenyltrichlorosilane (PTS). The resulting films contain azobenzene units connected to the surface by means of a short, rigid spacer. The films have been analysed by single-wavelength ellipsometry and measurement of the water contact angle. Irradiation of the films with 360 nm ultraviolet light-induced a switching effect, which results in a decrease of the water contact angle and a change in the ellipsometric parameters. The switching could be made reversible by exposing the sample to visible light for 24 h. (C) 2003 Elsevier B.V. All rights reserved.
Stichworte
azobenzene; photoisomerisation; self-assembled monolayers
Erscheinungsjahr
2004
Zeitschriftentitel
APPLIED SURFACE SCIENCE
Band
222
Ausgabe
1-4
Seite(n)
1-5
ISSN
0169-4332
Page URI
https://pub.uni-bielefeld.de/record/1609091

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Hamelmann F, Heinzmann U, Siemling U, Bretthauer F, der Bruggen JV. Light-stimulated switching of azobenzene-containing self-assembled monolayers. APPLIED SURFACE SCIENCE. 2004;222(1-4):1-5.
Hamelmann, F., Heinzmann, U., Siemling, U., Bretthauer, F., & der Bruggen, J. V. (2004). Light-stimulated switching of azobenzene-containing self-assembled monolayers. APPLIED SURFACE SCIENCE, 222(1-4), 1-5. https://doi.org/10.1016/j.apsusc.2003.08.006
Hamelmann, Frank, Heinzmann, Ulrich, Siemling, U, Bretthauer, F, and der Bruggen, JV. 2004. “Light-stimulated switching of azobenzene-containing self-assembled monolayers”. APPLIED SURFACE SCIENCE 222 (1-4): 1-5.
Hamelmann, F., Heinzmann, U., Siemling, U., Bretthauer, F., and der Bruggen, J. V. (2004). Light-stimulated switching of azobenzene-containing self-assembled monolayers. APPLIED SURFACE SCIENCE 222, 1-5.
Hamelmann, F., et al., 2004. Light-stimulated switching of azobenzene-containing self-assembled monolayers. APPLIED SURFACE SCIENCE, 222(1-4), p 1-5.
F. Hamelmann, et al., “Light-stimulated switching of azobenzene-containing self-assembled monolayers”, APPLIED SURFACE SCIENCE, vol. 222, 2004, pp. 1-5.
Hamelmann, F., Heinzmann, U., Siemling, U., Bretthauer, F., der Bruggen, J.V.: Light-stimulated switching of azobenzene-containing self-assembled monolayers. APPLIED SURFACE SCIENCE. 222, 1-5 (2004).
Hamelmann, Frank, Heinzmann, Ulrich, Siemling, U, Bretthauer, F, and der Bruggen, JV. “Light-stimulated switching of azobenzene-containing self-assembled monolayers”. APPLIED SURFACE SCIENCE 222.1-4 (2004): 1-5.
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