Tuning the surface potential of Ag surfaces by chemisorption of oppositely-oriented thiolated carborane dipoles
Identifikátory výsledku
Kód výsledku v IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388980%3A_____%2F11%3A00429454" target="_blank" >RIV/61388980:_____/11:00429454 - isvavai.cz</a>
Výsledek na webu
<a href="http://dx.doi.org/10.1016/j.jcis.2010.10.052" target="_blank" >http://dx.doi.org/10.1016/j.jcis.2010.10.052</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.jcis.2010.10.052" target="_blank" >10.1016/j.jcis.2010.10.052</a>
Alternativní jazyky
Jazyk výsledku
angličtina
Název v původním jazyce
Tuning the surface potential of Ag surfaces by chemisorption of oppositely-oriented thiolated carborane dipoles
Popis výsledku v původním jazyce
Two selected carboranethiol isomers were used to modify flat silver surfaces. Both isomers, 1,2-(HS)(2)-1, 2-C(2)B(10)H(10) (a) and 9,12-(HS)(2)-1,2-C(2)B(10)H(10) (b), are relatively strong dipoles with two SH groups per molecule. They are both anchoredto the surface via two SH groups per molecule. Topography and surface potential changes of the modified silver surfaces were studied using Scanning Kelvin Probe Force Microscopy (SKPFM). These measurements proved that both isomers are oppositely oriented on the surface. The former isomer increases, and the latter one decreases the surface potential of a modified silver film. The relative changes of the surface potential correlate well with the dipole moments of the isomers. Competitive chemisorption from a 1:1 mixture of both isomers shows that the isomer (a) is found in a significantly higher concentration on the surface than the isomer (b). This has been proved by both SKPFM and X-ray photoelectron spectroscopy (XPS) techniques. Addi
Název v anglickém jazyce
Tuning the surface potential of Ag surfaces by chemisorption of oppositely-oriented thiolated carborane dipoles
Popis výsledku anglicky
Two selected carboranethiol isomers were used to modify flat silver surfaces. Both isomers, 1,2-(HS)(2)-1, 2-C(2)B(10)H(10) (a) and 9,12-(HS)(2)-1,2-C(2)B(10)H(10) (b), are relatively strong dipoles with two SH groups per molecule. They are both anchoredto the surface via two SH groups per molecule. Topography and surface potential changes of the modified silver surfaces were studied using Scanning Kelvin Probe Force Microscopy (SKPFM). These measurements proved that both isomers are oppositely oriented on the surface. The former isomer increases, and the latter one decreases the surface potential of a modified silver film. The relative changes of the surface potential correlate well with the dipole moments of the isomers. Competitive chemisorption from a 1:1 mixture of both isomers shows that the isomer (a) is found in a significantly higher concentration on the surface than the isomer (b). This has been proved by both SKPFM and X-ray photoelectron spectroscopy (XPS) techniques. Addi
Klasifikace
Druh
J<sub>x</sub> - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
CEP obor
CA - Anorganická chemie
OECD FORD obor
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Návaznosti výsledku
Projekt
<a href="/cs/project/IAA400320901" target="_blank" >IAA400320901: Zlaté a stříbrné povrchy modifikované funkčními deriváty hydridů bóru</a><br>
Návaznosti
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Ostatní
Rok uplatnění
2011
Kód důvěrnosti údajů
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Údaje specifické pro druh výsledku
Název periodika
Journal of Colloid and Interface Science
ISSN
0021-9797
e-ISSN
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Svazek periodika
354
Číslo periodika v rámci svazku
1
Stát vydavatele periodika
US - Spojené státy americké
Počet stran výsledku
7
Strana od-do
168-174
Kód UT WoS článku
000286121700024
EID výsledku v databázi Scopus
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