NN Labs (Nanomaterials and Nanofabrication Laboratories, also known as NNCrystal US Corporation) is a company engaged in the production and processing of semiconductor nanocrystals. The company offers a range of standard product lines including cadmium-based and cadmium-free quantum dots, metal nanocrystals, and magnetic nanoparticles, as well as custom wavelengths, solvents, and chemical compositions. Its products are used in basic research and application development in light emitting devices, solar cells, catalysis, biomarkers, and biomedicine.