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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.9b01668
|2 doi
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|a pubmed24n1000.xml
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|a DE-627
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|a eng
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| 100 |
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|a Borghi, Francesca
|e verfasserin
|4 aut
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| 245 |
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|a Solid-Like Ordering of Imidazolium-Based Ionic Liquids at Rough Nanostructured Oxidized Silicon Surfaces
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|c 2019
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Revised 23.09.2019
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a The investigation of ionic liquids (ILs) confined in a solid porous matrix is of particular interest considering that these substances are increasingly used as an electrolyte in devices employing nanostructured nanoporous materials for the electrodes. Furthermore, the confinement of the ILs into a porous matrix would allow overcoming the difficulties of their packaging, leakage, and portability. In order to support the applications, a deeper understanding of the interaction of ILs with the nanoporous solid material and its increased interface is required. In this work, we report on the modification of morphological and mechanical properties of the imidazolium-based [Bmim][NTf2] IL upon surface spatial confinement on a cluster-assembled, nanostructured, rough, oxidized silicon (ns-SiOx) surface. An atomic force microscopy investigation revealed that upon the interaction with the ns-SiOx film, [Bmim][NTf2] locally rearranges into ordered, layered, stiff, and poorly conducting solid-like domains, coexisting with, and embedded into, the liquid IL film. The observed interfacial layering of [Bmim][NTf2] deposited on ns-SiOx suggests that the behavior of the IL-electrode interface in photoelectrochemical devices employing nanostructured nanoporous materials can be far more complex than expected under the hypothesis of an IL-based electrolyte in the stable liquid phase. The observed effects reported in this work could in principle also occur inside the bulk nanoporous matrix, where they could be further amplified by the extreme spatial confinement
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|a Journal Article
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1 |
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|a Milani, Paolo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Podestà, Alessandro
|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 35(2019), 36 vom: 10. Sept., Seite 11881-11890
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:35
|g year:2019
|g number:36
|g day:10
|g month:09
|g pages:11881-11890
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|u http://dx.doi.org/10.1021/acs.langmuir.9b01668
|3 Volltext
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