A semiconductor nanocrystal-polymer micronized composite that includes: at least one semiconductor nanocrystal; and a polymer surrounding the at least one semiconductor nanocrystal, wherein the polymer includes at least one functional group reactive with the semiconductor nanocrystal, and wherein the semiconductor nanocrystal-polymer micronized composite has a particle diameter of less than or equal to about 70 micrometers (μm) with a standard deviation of less than or equal to about 20 micrometers (μm), and an aspect ratio of more than about 1.0 and less than or equal to about 10.