RGB Glitter in vials prepared from peeled large-scale films (IMAGE)

University of Cambridge

RGB Glitter in vials prepared from peeled large-scale films

Caption

The photograph shows three vials containing an ensemble of photonic CNC particles dispersed in three different solvents: water, water: ethanol and ethanol. The particles are the same in the three vials, the colour difference between the three vials results from the ability of water to swell the structure of the particles. Higher water content means greater swelling of the cholesteric structures and a redshift of the colour of the particles.

Credit

Benjamin Droguet

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