Characterization of Self-Assembled Monolayers on a Ruthenium Surface

We have modified and stabilized the ruthenium surface by depositing a self-assembled monolayer (SAM) of 1-hexadecanethiol on a polycrystalline ruthenium thin film. The growth mechanism, dynamics, and stability of these monolayers were studied. SAMs, deposited under ambient conditions, on piranha-cle...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1999. - 33(2017), 25 vom: 27. Juni, Seite 6419-6426
1. Verfasser: Shaheen, A (VerfasserIn)
Weitere Verfasser: Sturm, J M, Ricciardi, R, Huskens, J, Lee, C J, Bijkerk, F
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2017
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, Non-U.S. Gov't
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520 |a We have modified and stabilized the ruthenium surface by depositing a self-assembled monolayer (SAM) of 1-hexadecanethiol on a polycrystalline ruthenium thin film. The growth mechanism, dynamics, and stability of these monolayers were studied. SAMs, deposited under ambient conditions, on piranha-cleaned and piranha + H2SO4 cleaned substrates were compared to monolayers formed on H-radical-cleaned Ru surfaces. We found that alkanethiols on H-radical-cleaned Ru formed densely packed monolayers that remained stable when kept in a nitrogen atmosphere. X-ray photoelectron spectroscopy (XPS) shows a distinct sulfur peak (BE = 162.3 eV), corresponding to metal-sulfur bonding. When exposed to ambient conditions, the SAM decayed over a period of hours 
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700 1 |a Sturm, J M  |e verfasserin  |4 aut 
700 1 |a Ricciardi, R  |e verfasserin  |4 aut 
700 1 |a Huskens, J  |e verfasserin  |4 aut 
700 1 |a Lee, C J  |e verfasserin  |4 aut 
700 1 |a Bijkerk, F  |e verfasserin  |4 aut 
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