Analysis of the silicon solar cells efficiency. Type of doping and level optimization - A. V. Sachenko; V. P. Kostylyov; M. V. Gerasymenko; R. M. Korkishko; M. R. Kulish; M. I. Slipchenko; I. O. Sokolovskyi; V. V. Chernenko (Semiconductor Physics, Quantum Electronics and Optoelectronics, 2016)