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231223s2009 xx |||||o 00| ||eng c |
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|a 10.1021/la8029038
|2 doi
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|a pubmed24n0626.xml
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|a (DE-627)NLM187814023
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|a (NLM)19366221
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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1 |
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|a Lifshitz, Yevgeniy
|e verfasserin
|4 aut
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1 |
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|a Structural transitions in polydiacetylene Langmuir films
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|c 2009
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 07.07.2009
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|a Date Revised 01.12.2018
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|a published: Print
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|a Citation Status MEDLINE
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|a Polydiacetylene (PDA) Langmuir films (LFs) were investigated directly at the air/water interface using in situ synchrotron grazing incidence X-ray diffraction, and ex situ transmissison electron microscopy and diffraction. The films were compressed and polymerized on pure water. A crystallographic model describes the structures and phase transitions of the unpolymerized (monomer) film, via the metastable (blue phase), to the fully stable PDA red phase as a function of irradiation dose. The monomer-to-blue-to-red chromatic phase transitions are accompanied by changes in the in-plane crystal structure and pendant chains packing arrangement from arced alkyl chains (in the monomer and blue phases) to near-vertical closely packed chains in the red phase. Notably, the characteristic linear strand morphology of PDA films can be explained as a direct result of the marked decrease in spacing between adjacent polymer chains upon transition from the blue to the red phase
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Lipids
|2 NLM
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|a Membranes, Artificial
|2 NLM
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|a Polyacetylene Polymer
|2 NLM
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|a Polymers
|2 NLM
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|a Solvents
|2 NLM
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|a Water
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|a 059QF0KO0R
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|a Polyynes
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|a 25067-58-7
|2 NLM
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|a polydiacetylene
|2 NLM
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|a 27987-87-7
|2 NLM
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| 700 |
1 |
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|a Golan, Yuval
|e verfasserin
|4 aut
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1 |
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|a Konovalov, Oleg
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Berman, Amir
|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 25(2009), 8 vom: 21. Apr., Seite 4469-77
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:25
|g year:2009
|g number:8
|g day:21
|g month:04
|g pages:4469-77
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|u http://dx.doi.org/10.1021/la8029038
|3 Volltext
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