Adsorption of dodecanethiol on Cu(110): Structural ordering upon thiolate formation

Kühnle A, Vollmer S, Linderoth TR, Witte G, Wöll C, Besenbacher F (2002)
Langmuir 18(14): 5558-5565.

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The adsorption of dodecanethiol [CH3(CH2)(11)SH] films on Cu(110) by vapor deposition under ultrahigh vacuum conditions has been studied by means of thermal desorption spectroscopy, scanning tunneling microscopy, X-ray photoelectron spectroscopy (XPS), and low-energy electron diffraction with a special emphasis on the structural changes accompanying the transition from a physisorbed monolayer to a chemisorbed saturation structure. Adsorption at 110 K leads to the formation of an ordered physisorbed layer with flat-lying thiol molecules. Upon room-temperature deposition, initially an ordered pinstripe phase is formed which may be a molecular double layer. This layer transforms with time into a stable saturation structure of upright-tilted thiolates in a local c(2 x 2) arrangement that exhibits a long-range c(12 x 16) modulation, attributed to a Moire pattern. The XPS measurements show that the room-temperature saturation structure contains a fraction of sulfide species formed by partial decomposition and desorption of alkyl chains. At 400 K, the thiolate monolayer desorbs dissociatively, eventually resulting in a p(5 x 2) sulfur structure.
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Kühnle A, Vollmer S, Linderoth TR, Witte G, Wöll C, Besenbacher F. Adsorption of dodecanethiol on Cu(110): Structural ordering upon thiolate formation. Langmuir. 2002;18(14):5558-5565.
Kühnle, A., Vollmer, S., Linderoth, T. R., Witte, G., Wöll, C., & Besenbacher, F. (2002). Adsorption of dodecanethiol on Cu(110): Structural ordering upon thiolate formation. Langmuir, 18(14), 5558-5565. doi:10.1021/la025661j
Kühnle, A., Vollmer, S., Linderoth, T. R., Witte, G., Wöll, C., and Besenbacher, F. (2002). Adsorption of dodecanethiol on Cu(110): Structural ordering upon thiolate formation. Langmuir 18, 5558-5565.
Kühnle, A., et al., 2002. Adsorption of dodecanethiol on Cu(110): Structural ordering upon thiolate formation. Langmuir, 18(14), p 5558-5565.
A. Kühnle, et al., “Adsorption of dodecanethiol on Cu(110): Structural ordering upon thiolate formation”, Langmuir, vol. 18, 2002, pp. 5558-5565.
Kühnle, A., Vollmer, S., Linderoth, T.R., Witte, G., Wöll, C., Besenbacher, F.: Adsorption of dodecanethiol on Cu(110): Structural ordering upon thiolate formation. Langmuir. 18, 5558-5565 (2002).
Kühnle, Angelika, Vollmer, S., Linderoth, Trolle R., Witte, G., Wöll, C., and Besenbacher, Flemming. “Adsorption of dodecanethiol on Cu(110): Structural ordering upon thiolate formation”. Langmuir 18.14 (2002): 5558-5565.
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