Analysis of Solar Cells Efficacy with Imbedded Layer of Spherical Plasmonic Nanoparticles S.A. Reshetov, Yu.V. Vladimirova and V.N. Zadkov EPJ Web of Conferences, 103 (2015) 04009 Published online: 25 September 2015 DOI: 10.1051/epjconf/201510304009