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231224s2016 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.5b03807
|2 doi
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|a eng
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|a Jacquelín, Daniela K
|e verfasserin
|4 aut
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| 245 |
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|a A pH-Sensitive Supramolecular Switch Based on Mixed Carboxylic Acid Terminated Self-Assembled Monolayers on Au(111)
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|c 2016
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a Date Completed 31.05.2016
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|a Date Revised 02.02.2016
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a We show that homogeneously mixed self-assembled monolayers (SAMs) of mercaptoalkanoic acids of different chain lengths can be used to build up a pH-sensitive supramolecular switch. The acids with short and long alkyl chains interact via the strong hydrogen bond between carboxylic acid groups. The pH acts as a trigger by breaking or restoring the hydrogen bond interaction in basic or acidic solutions, respectively. The corresponding changes in the monolayer structure were determined by ellipsometry, surface-enhanced Raman spectroscopy, and contact angle measurements. Density functional theory (DFT) calculations were performed to elucidate the structures of interacting molecules compatible with the surface coverage obtained from electrochemical reductive desorption experiments. The simplicity of the preparation procedure assures a high reproducibility whereas the stability of the homogeneous mixed SAM guarantees the reversibility of the switching process
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Pérez, Manuel A
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Euti, Esteban M
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Arisnabarreta, Nicolás
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Cometto, Fernando P
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Paredes-Olivera, Patricia
|e verfasserin
|4 aut
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| 700 |
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|a Patrito, E Martín
|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 32(2016), 4 vom: 02. Feb., Seite 947-53
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|x 1520-5827
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| 773 |
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|g volume:32
|g year:2016
|g number:4
|g day:02
|g month:02
|g pages:947-53
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|u http://dx.doi.org/10.1021/acs.langmuir.5b03807
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