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Nanoparticles - Monodisperse Silica Particles (Microspheres & Nanospheres)
Synthetic Opals - Black Opal, White Opal, Crystal Opal & Fire Opal
Coarse and Fine Crystalline Opals with a Non-Directional Play-of-Color
Monodisperse Silica Particles in a wide size range
Spherical Silica Nanoparticles and Synthetic Opals.
Physical and Chemical Properties
Shape: Spherical
Monodispersity: CV<2%
Density: 1.8 - 2 g/cm3
Refractive Index n: 1.467
Porosity: Non-Porous
Temperature resistant up to 1000°C
Good mechanical stability
Stable in organic solvents
Soluble in strong bases and in hydrofluoric acid
Available Particle Sizes: 200 nm - 2000 nm
Form of Delivery: Dry Powder
Monodisperse Silica Particles - 500nm
Spherical Silica Particles (SEM)
Sedimented Silica Particles
Crystalline Sediment of Monodisperse Particles with Play-of-Color
Structure Model
FCC (= Face-centered cubic), Close Packing with A-B-C Stacking
SEM-picture of Silica Particles
Spherical Monodisperse Silica
Synthetic Black Opal
Black Opal, Oval Cabochon
Dried Monodisperse Silica Particles
Monodisperse Particles
Synthetic Crystal Opal
Oval Cabochon
Dried Monodisperse Silica Particles
Layers of Monodisperse Particles with Bragg diffraction colors
Uniform spherical nanospheres and microspheres with a narrow particle size distribution.