A landscape of small glass spheres, forming a very disordered colloidal crystal.
A dot formed by photolithography.
Finite-difference time-domain simulations of a 2D glass colloidal crystal on top of an amorphous silicon solar cell. The image is from our publication in Physica Status Solidi A.
Polymer photonic crystals by self-assembly. Photo by Garret Miyake. More information in our Angewante Chemie article. Featured by ChemistryWorld