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Security use of the chiral photonic film made of helical liquid crystal structures

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dc.abstract.enThe color change of photonic crystals (PCs) has been widely studied due to their beauty and anti-counterfeiting applications. Herein, we demonstrated security codes based on chiral PCs that cannot be easily mimicked and are quite different from the conventional technology used currently. The chiral PCs can be made by self-assembly and the structural colors change based on the polarization of the light in the transmission mode. These color changes are easily detected in real-time and are useful in the fabrication of anti-counterfeiting patterns that show beautiful and diverse color changes with rotating polarizers. We believe this can provide a new platform in various security and color-based applications.
dc.affiliationUniwersytet Warszawski
dc.contributor.authorPociecha, Damian
dc.contributor.authorKim, Teun-teun
dc.contributor.authorWolska, Joanna
dc.contributor.authorPark, Wongi
dc.contributor.authorYoon, Dong Ki
dc.contributor.authorJung, Taek Sun
dc.contributor.authorHa, Taewoo
dc.contributor.authorKim, Jae Hoon
dc.contributor.authorGórecka, Ewa
dc.contributor.authorSim, Kyung Ik
dc.date.accessioned2024-01-26T07:30:29Z
dc.date.available2024-01-26T07:30:29Z
dc.date.issued2020
dc.description.financePublikacja bezkosztowa
dc.description.number42
dc.description.volume12
dc.identifier.doi10.1039/D0NR03743E
dc.identifier.issn2040-3364
dc.identifier.urihttps://repozytorium.uw.edu.pl//handle/item/119509
dc.identifier.weblinkhttp://pubs.rsc.org/en/content/articlepdf/2020/NR/D0NR03743E
dc.languageeng
dc.pbn.affiliationchemical sciences
dc.relation.ispartofNanoscale
dc.relation.pages21629-21634
dc.rightsClosedAccess
dc.sciencecloudnosend
dc.titleSecurity use of the chiral photonic film made of helical liquid crystal structures
dc.typeJournalArticle
dspace.entity.typePublication