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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.2c01391
|2 doi
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Timounay, Yousra
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Interfacial Characterization of Ruthenium-Based Amphiphilic Photosensitizers
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|c 2022
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Revised 13.08.2022
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Nonreactive surfactant molecules have long been used and characterized for a wide range of applications in industries, life science, and everyday life. Recently, new types of functional amphiphilic molecules have emerged that bear another function, for example, a light-absorbing action, or catalytic properties. However, the surfactant properties of these molecules remain to date essentially unknown. In this context, we investigated here the interfacial activity of photocatalytic surfactants based on a ruthenium(II) tris-bipyridine core, functionalized with two alkyl tails. We realized a systematic characterization of the surfactant properties of these molecules at a water-air interface and studied the effect of the alkyl chain length and of the counterions (hexafluorophosphate or chloride) on these properties. Our data demonstrate that ruthenium surfactants with chloride counteranions form a denser layer at the interface, but their surfactant properties can dramatically deteriorate when the chain length of the alkyl tail increases, leading to simple hydrophobic molecules with poor surfactant properties for the longest chains (C17). These findings pave the way for a better use and understanding of photocatalytic soft interfaces
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|a Journal Article
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|a Pannwitz, Andrea
|e verfasserin
|4 aut
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1 |
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|a Klein, David M
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Biance, Anne-Laure
|e verfasserin
|4 aut
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| 700 |
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|a Hoefnagel, Marlene E
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sen, Indraneel
|e verfasserin
|4 aut
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| 700 |
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|a Cagna, Alain
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Le Merrer, Marie
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Bonnet, Sylvestre
|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 38(2022), 31 vom: 09. Aug., Seite 9697-9707
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
1 |
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|g volume:38
|g year:2022
|g number:31
|g day:09
|g month:08
|g pages:9697-9707
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|u http://dx.doi.org/10.1021/acs.langmuir.2c01391
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