Answers are grounded in this paper and cite their sources.
A soft glassy colloidal array that was prepared from polymer-grafted silica particles and an ionic liquid showed homogeneous, non-brilliant, angle-independent structural colours.
No takes yet. Share an insight, caveat, or question.
Ueno et al. (2009) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: