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241009s2024 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.4c02962
|2 doi
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|a pubmed24n1576.xml
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|a eng
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| 100 |
1 |
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|a Alinia, Zahra
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Tuning Electrostatics to Promote Ordered Monolayers of Phosphole-Lipids
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|c 2024
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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 22.10.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Heteroatom-doped π-conjugated systems have been exploited for electronic device applications. Phosphole-containing backbones are particularly intriguing with regard to electron delocalization and ultimately control over the photophysical, redox, and charge transfer characteristics. However, practical application of these materials commonly relies on well-structured, thin film architectures. Self-assembly offers a route to generate ordered 2D structures deposited on solid substrates. The orientation of these deposited films can be manipulated by the introduction of alkyl chains of varying length (to form phosphole-based lipids) and chemical modification of the phosphole-derived headgroup. External controls can also be considered to tune these films' properties, e.g., the electrostatic interactions within the film can be controlled by varying the environment with the addition of simple salt counterions. A series of lipids with phosphole-based π-conjugated headgroups have been designed and exhibit intramolecular conformational changes in response to external conditions. Herein the 2D film structure in Langmuir and Langmuir-Blodgett films is reported in the presence and absence of halide salts. The film morphology obtained from Brewster angle and atomic force microscopy shows the formation of a condensed phase but also 3D aggregates, and grazing incidence X-ray diffraction confirmed the presence of untilted, hexagonally packed chains. The size of the counterion influences its ability to intercalate between the phosphole headgroups, which ultimately provides a means to induce the formation of a well-ordered, single monolayer film without aggregates that can be transferred to the solid substrate
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|a Journal Article
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1 |
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|a Miao, Dandan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Baumgartner, Thomas
|e verfasserin
|4 aut
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| 700 |
1 |
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|a DeWolf, Christine E
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1999
|g 40(2024), 42 vom: 22. Okt., Seite 22301-22313
|w (DE-627)NLM098181009
|x 1520-5827
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| 773 |
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|g volume:40
|g year:2024
|g number:42
|g day:22
|g month:10
|g pages:22301-22313
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| 856 |
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|u http://dx.doi.org/10.1021/acs.langmuir.4c02962
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