SAMs on gold derived from the direct adsorption of alkanethioacetates are inferior to those derived from the direct adsorption of alkanethiols

Self-assembled monolayers (SAMs) on gold derived from the direct adsorption of thioacetic acid S-decyl ester (C10SAc) and thioacetic acid S-octadecyl ester (C18SAc) were compared to the corresponding SAMs derived from the analogous adsorption n-decanethiol (C10SH) and n-octadecanethiol (C18SH). All...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1985. - 25(2009), 3 vom: 03. Feb., Seite 1265-71
1. Verfasser: Béthencourt, Mathilde I (VerfasserIn)
Weitere Verfasser: Srisombat, La-ongnuan, Chinwangso, Pawilai, Lee, T Randall
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2009
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Acetates Alkanes Sulfhydryl Compounds Gold 7440-57-5
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245 1 0 |a SAMs on gold derived from the direct adsorption of alkanethioacetates are inferior to those derived from the direct adsorption of alkanethiols 
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520 |a Self-assembled monolayers (SAMs) on gold derived from the direct adsorption of thioacetic acid S-decyl ester (C10SAc) and thioacetic acid S-octadecyl ester (C18SAc) were compared to the corresponding SAMs derived from the analogous adsorption n-decanethiol (C10SH) and n-octadecanethiol (C18SH). All SAMs were characterized using ellipsometry, contact angle goniometry, polarization modulation infrared reflection absorption spectroscopy (PM-IRRAS), and X-ray photoelectron spectroscopy (XPS). The comparison revealed that the SAMs generated from the thioacetates are not as densely packed and well ordered as the SAMs generated from the thiols. Furthermore, studies of the kinetics of adsorption found that the thioacetates adsorb more slowly than the corresponding thiols 
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700 1 |a Srisombat, La-ongnuan  |e verfasserin  |4 aut 
700 1 |a Chinwangso, Pawilai  |e verfasserin  |4 aut 
700 1 |a Lee, T Randall  |e verfasserin  |4 aut 
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