Nanocrystalline particles containing material, methods of making and use thereof

Nanocrystalline particles-containing material, wherein the nanocrystalline particles from II / VI semiconductors of two or more of the components of Cd, Zn, Hg, and S, Se, Te are selected and containing a stabilizing ligands Sol separated particles are disposed as a matrix-free film, wherein the matrix-free film is formed by crosslinking of the nanocrystalline particles to each other via bifunctional ligand.