INVESTIGATION OF OPTICAL AND PHOTOVOLTAIC PARAMETERS OF POLYMER SOLAR CELLS BASED ON DONOR:Y6 ACTIVE LAYER. Scientific journal of the Fergana State University, [S. l.], v. 31, n. 5, p. 166, 2026. DOI: 10.56292/SJFSU/vol31_iss5/a166. Disponível em: https://journal.fdu.uz/index.php/sjfsu/article/view/8272. Acesso em: 5 feb. 2026.