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231225s2022 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.1c03111
|2 doi
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|a eng
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|a Liao, Jianwen
|e verfasserin
|4 aut
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|a Interfacial Behavior of Giant Amphiphiles Composed of Azobenzene and Polyhedral Oligomeric Silsesquioxane
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|c 2022
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|a Text
|b txt
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 01.02.2022
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Giant amphiphiles containing azobenzene and polyhedral oligomeric silsesquioxane (POSS) units are synthesized by linking 4,4'-azodianiline (ADA) and POSS derivatives by stepwise amidation and further modification. The synthesized giant amphiphiles are photoresponsive and show trans-cis isomerization under ultraviolet (UV) irradiation. These giant amphiphiles are spread on the air-water interface and compressed by the barrier without and under UV irradiation. By compression, the giant amphiphiles undergo a phase transition from gas (G), liquid expanded (LE), liquid condensed (LC), and solid (S) to a final collapse on the water surface. The giant amphiphiles are cis-isomer-rich under UV irradiation and are trans-isomer-rich without UV irradiation. The trans-isomers are straight-shaped, while the cis-isomers are bent, and hence, their phase transition behaviors on the water surface exhibit a distinct difference
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|a Journal Article
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|a Wang, Weijie
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xu, Xian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jian, Hanxin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, Shuguang
|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 38(2022), 4 vom: 01. Feb., Seite 1611-1620
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|x 1520-5827
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|g volume:38
|g year:2022
|g number:4
|g day:01
|g month:02
|g pages:1611-1620
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|u http://dx.doi.org/10.1021/acs.langmuir.1c03111
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