The growth of nitrosobenzene adlayers on an Au(111) surface: The effect of experimental parameters (CROSBI ID 302321)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Panić, Barbara ; Koprivnjak, Marina ; Marić, Tomislav ; Majerová Varga, Katarina ; Biljan, Ivana
engleski
The growth of nitrosobenzene adlayers on an Au(111) surface: The effect of experimental parameters
Dimerization of nitrosobenzenes also occurs at metal-solution interface which enables the design of azodioxy self-assembled bilayers. Formation of self-assembled adlayers is a dynamic process, dependent on various parameters. To gain new insights into the key experimental parameters governing a complex process of on-surface self- assembly and dimerization of nitrosobenzenes, here we studied the growth of adlayers of nitrosobenzene derivatives containing thiocyanate headgroup for adsorption on an Au(111) as a function of solution concentration and adsorption time. Ellipsometry revealed an increase in film thicknesses with increasing solution concentration and adsorption times, suggesting formation of more ordered adlayers and a greater tendency towards bilayers. This was supported by AFM and STM microscopy which showed variations in local surface morphology of adlayers in dependence on experimental parameters. It was found that higher solution concentration and longer adsorption times lead to formation of more ordered separate domains which were attributed to monolayers and bilayers.
Nitrosobenzenes ; Azodioxides ; Organic thiocyanates ; On-surface dimerization ; Self-assembled adlayers
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Podaci o izdanju
45
2021.
100539
8
objavljeno
2215-0382
10.1016/j.colcom.2021.100539