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231224s2016 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.5b02597
|2 doi
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|a eng
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|a Bhattacharjee, Subham
|e verfasserin
|4 aut
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|a Remarkable Role of C-I···N Halogen Bonding in Thixotropic 'Halo'gel Formation
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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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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 11.05.2018
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|a Date Revised 11.05.2018
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Halogen-bonding-induced self-assembly in the solution of equimolar mixtures of certain pyridyl-ended oligo p-phenylenevinylene (OPV)-derivatives with 1,4-diiodotetrafluorobenzene is reported. The mode of self-assembly, that is, cocrystallization, thixotropic gelation, or precipitation, depends strongly on the nature of chains (n-alkyl chains as a function of length or short oxyethylene chain) appended to the OPV-backbone as well as on the cooling rate of the corresponding hot solution. Single-crystal X-ray diffraction studies of the cocrystals reveal the "infinite" chain formation via C-I···N halogen-bonding interactions between the two components. In addition, multiple noncovalent interactions induce cross-links among these halogen-bonded "infinite" chains. Interestingly, the molecular packing in the "Cogel" bearing OPV-derivative with oxyethylene chains is found to be very similar to that of the cocrystal of the same
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Bhattacharya, Santanu
|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), 17 vom: 03. Mai, Seite 4270-7
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|x 1520-5827
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|g volume:32
|g year:2016
|g number:17
|g day:03
|g month:05
|g pages:4270-7
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|u http://dx.doi.org/10.1021/acs.langmuir.5b02597
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