Abstract
A facile fabrication of photonic crystals (PCs) with an eye pattern similar to peacock tail feathers has been demonstrated by self-assembly of colloidal particles in a sandwich mode. The sandwich mode is formed by superhydrophilic flat substrate sandwiching the poly(styrene-methyl methacrylate-arylic acid) (Poly(St-MMA-AA)) latex suspension (2 wt%) by the hydrophobic one. The patterns are characterized by optical microscopy images, reflection spectra, and the relative scanning electronic microscope images. This work will provide beneficial help for the understanding of the self-assembly process of colloidal crystals.
Highlights
Colloidal photonic crystals (PCs) have attracted great interest due to their special light manipulation properties [1,2], and have showed promising applications in various fields such as chemical and biological sensors [3,4], optic devices [5], coating materials [6], and catalytic supports [7]
We present a facile fabrication of PCs with an eye pattern similar to peacock tail feathers by self-assembly of colloidal particles in a sandwich mode, Crystals 2016, 6, 99; doi:10.3390/cryst6080099
We present aacid) withhydrophobic superhydrophilic flat substrate sandwiching poly(styrene-methyl methacrylate-acrylic facile fabrication of PCssuspension with an eyebypattern similar to peacock taileye feathers byisself-assembly (Poly(St-MMA-AA))
Summary
Colloidal photonic crystals (PCs) have attracted great interest due to their special light manipulation properties [1,2], and have showed promising applications in various fields such as chemical and biological sensors [3,4], optic devices [5], coating materials [6], and catalytic supports [7]. Polymer colloidal PCs have demonstrated important applications ranging from photonic papers [8], full-color displays [9] and UV protection [10], to responsive optic devices. Various fabrication methods for colloidal PCs have been developed to meet practical application requirements [11,12,13]. Self-assembly is a facile approach for the fabrication of colloidal PCs with stopband at UV and visible ranges [14], and could be modified for widespread manufacturing purposes. Crack-free colloidal PCs with narrow stopband were achieved on the low-adhesive/superhydrophobic substrate as the three phase contact line (TCL)
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