Kadem , B.Y. and Alfahed, R.F. 2025. Non-fullerene OSC: The effects of active and electron transport layers’ thickness towards 19.5% efficiency. Journal of Renewable Energies. 28, 1 (Jun. 2025), 39 – 51. DOI:https://doi.org/10.54966/jreen.v28i1.1275.