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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1021/acs.chemmater.8b00820
|2 doi
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|a eng
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|a Berrocal, José Augusto
|e verfasserin
|4 aut
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|a Supramolecular Loop Stitches of Discrete Block Molecules on Graphite
|b Tunable Hydrophobicity by Naphthalenediimide End-Capped Oligodimethylsiloxane
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|c 2018
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|a Text
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|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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|2 rdacarrier
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|a Date Revised 27.03.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a The noncovalent functionalization of surfaces has gained widespread interest in the scientific community, and it is progressively becoming an extremely productive research field offering brand new directions for both supramolecular and materials chemistry. As the end-groups often play a dominant role in the surface properties obtained, creating loops with end-groups only at the surface will lead to unexpected architectures and hence properties. Here we report the self-assembly of discrete block molecules-structures in-between block copolymers and liquid crystals-featuring oligodimethylsiloxanes (ODMS) end-capped with naphthalenediimides (NDIs) at the 1-phenyloctane/highly oriented pyrolytic graphite (1-PO/HOPG) interface. These structures produce unprecedented vertically nanophase-separated monolayers featuring NDI moieties that regularly arrange on the HOPG surface, while the highly dynamic ODMS segments form loops above them. Such arrangement is preserved upon drying and generates hydrophobic HOPG substrates in which the ODMS block length tunes the hydrophobicity. Thus, the exact structural fidelity of the discrete macromolecules allows for the correlation of nanoscopic organization with macroscopic properties of the self-assembled materials. We present a general strategy for tunable hydrophobic coatings on graphite based on molecularly combining crystalline aromatic moieties and immiscible oligodimethylsiloxanes
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|a Journal Article
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|a Teyssandier, Joan
|e verfasserin
|4 aut
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|a Goor, Olga J G M
|e verfasserin
|4 aut
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|a De Feyter, Steven
|e verfasserin
|4 aut
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|a Meijer, E W
|e verfasserin
|4 aut
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|i Enthalten in
|t Chemistry of materials : a publication of the American Chemical Society
|d 1998
|g 30(2018), 10 vom: 22. Mai, Seite 3372-3378
|w (DE-627)NLM098194763
|x 0897-4756
|7 nnns
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| 773 |
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|g volume:30
|g year:2018
|g number:10
|g day:22
|g month:05
|g pages:3372-3378
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|u http://dx.doi.org/10.1021/acs.chemmater.8b00820
|3 Volltext
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