Electroluminescence of Light- Emitting Organic Semiconductor/ Europium Oxide Nanoparticle Hybrid Junction. Iraqi Journal of Science [Internet]. 2020 Aug. 28 [cited 2024 Dec. 19];61(8):1952-9. Available from: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/1524