TY JOUR TI INNOVATIONS IN THE DEVELOPMENT OF SOLAR CELLS KW electric power industry KW energy saving KW solar cell KW energy sources KW solar cell structure KW solar panels JO Modern Technologies and Scientific and Technological Progress AU Konovalov, Y.V. AU Goncharenko, A.A. AU Shaura, M.P. AU Korpan, V.Y. PY 2025 IS 2025 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»