Valakh М., Dzhagan В., Raevskaya О. and Kuchmiy С. 2022. Optical Investigations of Ultra-Small Colloidal Nanoparticles and Heteronanoparticles Based on II−VI Semiconductors. Ukrainian Journal of Physics. 56, 10 (Feb. 2022), 1080. DOI:https://doi.org/10.15407/ujpe56.10.1080.