Fig. 2. (a) Schematic of the simple method of co-assembly by using the general vertical deposition method. Reproduced with permission.46 Copyright 2001, American Chemical Society. (b) 3D PCSs induced by the asymmetric dewetting on hydrophilic–hydrophobic patterned substrate. Reproduced with permission.53 Copyright 2015, Wiley-VCH. (c) (i) Process of particle assembly into a microsphere.56 Copyright 2008, American Chemical Society. (ii) SEM image of the microsphere.56 (iii) Particle arrangement on the surface of the microspheres.50 Copyright 2006, Wiley-VCH. (iv) Image showing the different structural colored microspheres. Reproduced with permission.57 Copyright 2009, Wiley-VCH. (d) Photonic films containing a non-close-packed face-centered-cubic array of silica particles embedded in an elastomer, where the inelastic particles enable elastic deformation and reversible color change, as observed in chameleons. Reproduced with permission.69 Copyright 2017, American Chemical Society.
