Journal
JOURNAL OF MATERIALS CHEMISTRY C
Volume 2, Issue 5, Pages 806-810Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3tc32055c
Keywords
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Funding
- National Research Foundation (Korea) [490-20110016]
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Monodisperse droplets of planar-aligned cholesteric (N*) liquid crystal exhibit an intriguing capacity for photonic cross-communication, giving rise to colourful patterns that depend sensitively on the N* pitch, droplet positions and illuminated area. The phenomenon results from a combination of omnidirectional selective reflection of N* droplets-which thus act as spherically symmetric self-assembled photonic crystals-and total internal reflection at the continuous phase surface. We outline how the unique optical properties can be employed in numerous applications.
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