Electrospray-assisted fabrication of uniform photonic balls

Jun Hyuk Moon, Gi Ra Yi, Seung Man Yang, David J. Pine, Seung Bin Park

Research output: Contribution to journalArticlepeer-review

Abstract

Photonic balls have been fabricated (see Figure) by field-enhanced electrospray of an aqueous colloidal suspension. The polystyrene (PS) beads inside the suspension droplets self-organize into opaline balls while the solvent evaporates. The opaline balls are used as templates for inverse opaline photonic balls, and both types exhibit varying reflection colors depending on the diameter of the beads and the reflective index contrast.

Original languageEnglish (US)
Pages (from-to)605-609
Number of pages5
JournalAdvanced Materials
Volume16
Issue number7
DOIs
StatePublished - Apr 5 2004

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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