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240528s2024 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.4c00688
|2 doi
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|a eng
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|a Wang, Xin
|e verfasserin
|4 aut
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|a Quantifying and Decoupling Molecular Interactions of Ionic Liquids with Gold Electrodes
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|c 2024
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|a Text
|b txt
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 11.06.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a This work combined gold colloid probe atomic force microscopy (AFM) with a quartz crystal microbalance (QCM) to accurately quantify the molecular interactions of fluorine-free phosphonium-based ionic liquids (ILs) with gold electrode surfaces. First, the interactions of ILs with the gold electrode per unit area (FA', N/m2) were obtained via the force-distance curves measured by gold probe AFM. Second, a QCM was employed to detect the IL amount to acquire the equilibrium number of IL molecules adsorbed onto the gold electrode per unit area (NIL, Num/m2). Finally, the quantified molecular interactions of ILs with the gold electrode (F0, nN/Num) were estimated. F0 is closely related to the IL composition, in which the IL with the same anion but a longer phosphonium cation exhibits a stronger molecular interaction. The changes in the quantified interactions of gold with different ILs are consistent with the interactions predicted by the extended Derjaguin-Landau-Verwey-Overbeek theory, and the van der Waals interaction was identified as the major contribution of the overall interaction. The quantified molecular interaction is expected to enable the direct experimental-derived interaction parameters for molecular simulations and provide the virtual design of novel ILs for energy storage applications
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|a Journal Article
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|a Gao, Qingwei
|e verfasserin
|4 aut
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|a Li, Licheng
|e verfasserin
|4 aut
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| 700 |
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|a Tatrari, Gaurav
|e verfasserin
|4 aut
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| 700 |
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|a Shah, Faiz Ullah
|e verfasserin
|4 aut
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|a Laaksonen, Aatto
|e verfasserin
|4 aut
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|a Ji, Xiaoyan
|e verfasserin
|4 aut
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| 700 |
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|a An, Rong
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 40(2024), 23 vom: 11. Juni, Seite 12017-12026
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:40
|g year:2024
|g number:23
|g day:11
|g month:06
|g pages:12017-12026
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|u http://dx.doi.org/10.1021/acs.langmuir.4c00688
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