AIP Conference Proceedings 2147, 130004 (2019); https://doi.org/10.1063/1.5123887 2147, 130004 © 2019 Author(s). The numerical analysis of ZnO nanoparticle based down-converting layer’s influence on solar cell efficiency Cite as: AIP Conference Proceedings 2147, 130004 (2019); https://doi.org/10.1063/1.5123887 Published Online: 27 August 2019 Katarzyna Znajdek, Natalia Szczecińska, Aleksandra Sosna-Głębska, Przemysław Czarnecki, and Maciej Sibiński