Directing Polymorphism in the Helical Nanofilament Phase

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Herein, it is reported that the polymorphism in the helical nanofilament (HNF, B-4) liquid-crystalline phase depends on the fabrication methods, that is, UV-driven formation and template-assisted self-assembly in the nanoconfined geometry. As a result, uniaxially oriented HNFs with different helical structures were obtained, in which generation of the twisted-ribbon and cylindrical-ribbon polymorphs showed that even the molecular lattice has a different orientation. The detailed structures were directly observed by SEM and grazing-incidence X-ray diffraction with synchrotron radiation. The resultant polymorphs could be used in chiro-optical applications due to the capability for fine control of the helical structures.
Publisher
WILEY-V C H VERLAG GMBH
Issue Date
2021-04
Language
English
Article Type
Article
Citation

CHEMISTRY-A EUROPEAN JOURNAL, v.27, no.24, pp.7108 - 7113

ISSN
0947-6539
DOI
10.1002/chem.202005221
URI
http://hdl.handle.net/10203/285373
Appears in Collection
CH-Journal Papers(저널논문)
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