Evaluation of the Applicability of Modifying CdSe Thin Films by the Addition of Cobalt and Nickel to Enhance the Efficiency of Photocatalytic Decomposition of Organic Dyes oleh Aliya Zh. Omarova, Talgatbek Ayazbaev, Zhanar S. Yesdauletova, Sholpan A. Aldabergen, Artem L. Kozlovskiy, Gulnaz Zh. Moldabayeva