Vivid structural colors from long-range ordered and carbon-integrated colloidal photonic crystals

Xin Wang, Ziting Wang, Licheng Bai, Huaiyu Wang, Lei Kang, Douglas H. Werner, Ming Xu, Bo Li, Jia Li, Xue Feng Yu

Research output: Contribution to journalArticlepeer-review

9 Scopus citations


A facile strategy to prepare high-quality colloidal photonic crystals (PCs) with good visibility is proposed. Based on a high refractive-index material (zinc sulfide), highly monodispersed colloidal particles are successfully produced and assembled into long-range ordered crystalline colloidal arrays. The carbon-based materials are in situ incorporated with the long-range ordered colloidal PCs, which endows PCs with the combined characteristics to simultaneously achieve an intense photonic stop band and excellent control of incoherent light scattering. Owing to these merits, the obtained ZnS colloidal PCs have demonstrated strong brightness with the maximum reflectivity of 98%. Moreover, the coloration, saturation, and viewing angle are all improved. This study provides a straightforward and cost-effective strategy to create structural colors with high-quality visibility, which is expected to facilitate future applications of colloidal PCs.

Original languageEnglish (US)
Pages (from-to)27001-27013
Number of pages13
JournalOptics Express
Issue number21
StatePublished - Oct 15 2018

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics


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