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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.3c00284
|2 doi
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|a eng
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|a Joynul Abedin, Md
|e verfasserin
|4 aut
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|a Nematic to Cholesteric Transformation in the Cellulose Nanocrystal Droplet Phase
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|c 2023
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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 02.05.2023
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|a Date Revised 02.05.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Nucleation, growth, and transformation of chirality in nanomaterial systems is a growing research topic with broad interest in tunable and configurable chiroptical materials. Similar to other one-dimensional nanomaterials, cellulose nanocrystals (CNCs), which are nanorods of naturally abundant biopolymer cellulose, display chiral or cholesteric liquid crystal (LC) phases in the form of tactoids. However, the nucleation and growth of the cholesteric CNC tactoids to equilibrium chiral structures and their morphological transformations are yet to be critically assessed. We noticed that the onset of liquid crystal formation in CNC suspensions is characterized by the nucleation of a nematic tactoid that grows in volume and spontaneously transforms into a cholesteric tactoid. The cholesteric tactoids merge with the neighboring tactoids to form bulk cholesteric mesophases with various configurational palettes. We applied scaling laws from the energy functional theory and found suitable agreement with the morphological transformation of the tactoid droplets monitored for their fine structure and orientation by quantitative polarized light imaging
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|a Journal Article
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|a van der Schoot, Paul
|e verfasserin
|4 aut
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|a Garnier, Gil
|e verfasserin
|4 aut
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|a Majumder, Mainak
|e verfasserin
|4 aut
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 39(2023), 17 vom: 02. Mai, Seite 6142-6150
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|g volume:39
|g year:2023
|g number:17
|g day:02
|g month:05
|g pages:6142-6150
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|u http://dx.doi.org/10.1021/acs.langmuir.3c00284
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