A group of researchers led by Peidong Yang, a professor of chemistry at the University of California, Berkeley, have recently created nanoscale particles that can self-assemble into various optical devices. These include photonic crystals, metamaterials, color changing paints, components for ...

The Toronto based Start-Up Company Opalux has developed a new type of electronic ink, based on photonic crystals called P-ink. The new crystal-based e-paper can display colors in a way that current technology has not enabled until now. This promising ...