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Clickable Colloidal Photonic Crystals for Structural Color Pattern
- Chen, Jialun, Liu, Panmiao, Du, Xin, Xie, Zhuoying
- Langmuir 2018 v.34 no.44 pp. 13219-13224
- coatings, color, colorimetry, crystals, photons, silica
- Patterning colloidal photonic crystals have broad important applications in optical devices, functional coatings, full color displays, and colorimetric sensors. In this paper, a clickable colloidal photonic crystal using vinyl-modified sub-micrometer silica particles as building blocks was proposed to pattern photonic crystals. By click chemistry, different chemical groups were simply grafted to the clickable photonic crystals film and obtained wettability-encoded structure color patterns. The clickable photonic crystals provide a simple, controllable, and rapid path to pattern photonic crystals.