3D phase segregation (IMAGE)

The University of Hong Kong

3D phase segregation

Caption

Three-dimensional phase segregation and photochromic colloidal swarm. a, The Illustration of spectral sensitive layered segregation in the ternary colloidal system, where different illumination spectra resulted in distinctive vertical stratification. b, The 3D distribution of ternary colloidal particles as imaged by confocal microscope after red, green, and blue light illumination. The SQ2, LEG4, and L0 sensitized TiO2 colloids are represented in cyan, magenta, and yellow, respectively. Scale bar: 50 mm. c, Modified projector is used to project designed colour images. d, Six colour blocks emerged on the surface of photochromic ink after 2 min exposure. Inset: the projected pattern. Scale bar: 2 mm. e, The university logo emerged on the surface of photochromic ink after 2 min exposure. Scale bar: 2 mm. f, Sequential patterning of the photochromic ink with different colour paintings with 2 min exposure. Inset: the original projected patterns. Scale bar: 2 mm.

Credit

The University of Hong Kong

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