Mirzayeva Umidakhon Murodjon qizi. METHODS FOR IMPROVING THE EFFICIENCY OF SOLAR CELLS BASED ON THE PHOTOELECTRIC EFFECT: A REVIEW OF MODERN APPROACHES AND THEORETICAL LIMITS. eijmr [Internet]. 2026 May 28 [cited 2026 May 28];13(5):1711-22. Available from: https://eijmr.org/index.php/eijmr/article/view/6971