Monodisperse Particles in a wide size range
Silica Nanoparticles and Synthetic Opals.
Galleries of Colloidal Crystals.
Monodisperse Colloidal Silica Particles, slowly dried on a Glass Slide.
In Dependence on the Particles Size, Numbers of Layers and Angle of Illumination different Bragg Diffraction Colors (Play-Of-Color) can be observed.
(Pictures taken by use of a Microscope equipped with a Digital Camera)