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231224s2015 xx |||||o 00| ||eng c |
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|a 10.1021/la504733q
|2 doi
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|a DE-627
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|a eng
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|a Tang, Yongqiang
|e verfasserin
|4 aut
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|a Aggregation behavior of sodium lauryl ether sulfate with a positively bicharged organic salt and effects of the mixture on fluorescent properties of conjugated polyelectrolytes
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|c 2015
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|a Text
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 06.08.2015
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|a Date Revised 24.02.2015
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a The aggregation behavior of anionic single-chain surfactant sodium lauryl ether sulfate containing three ether groups (SLE3S) with positively bicharged organic salt 1,2-bis(2-benzylammoniumethoxy)ethane dichloride (BEO) has been investigated in aqueous solution, and the effects of the BEO/SLE3S aggregate transitions on the fluorescent properties of anionic conjugated polyelectrolyte MPS-PPV with a larger molecular weight and cationic conjugated oligoelectrolyte DAB have been evaluated. Without BEO, SLE3S does not affect the fluorescent properties of MPS-PPV and only affects the fluorescent properties of DAB at a higher SLE3S concentration. With the addition of BEO, SLE3S and BEO form gemini-like surfactant (SLE3S)2-BEO. When the BEO/SLE3S molar ratio is fixed at 0.25, with increasing the BEO/SLE3S concentration, the BEO/SLE3S mixture forms large, loosely arranged aggregates and then transforms to closely packed spherical aggregates and finally to long thread-like micelles. The photoluminescence (PL) intensity of MPS-PPV varies with the morphologies of the BEO/SLE3S aggregates, while the PL intensity of DAB is almost independent of the aggregate morphologies. The results demonstrate that gemini-like surfactants formed through intermolecular interactions can effectively adjust the fluorescent properties of conjugated polyelectrolytes
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|a Journal Article
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|a Liu, Zhang
|e verfasserin
|4 aut
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|a Zhu, Linyi
|e verfasserin
|4 aut
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|a Han, Yuchun
|e verfasserin
|4 aut
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|a Wang, Yilin
|e verfasserin
|4 aut
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 31(2015), 7 vom: 24. Feb., Seite 2104-11
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|x 1520-5827
|7 nnns
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|g volume:31
|g year:2015
|g number:7
|g day:24
|g month:02
|g pages:2104-11
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|u http://dx.doi.org/10.1021/la504733q
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