ZnO/CuO/CdS Heterojunction Nanostructures as N-P-N for Optoelectronic Applications Effectiveness of Optoelectronic Devices. Iraqi Journal of Science [Internet]. 2024 May 30 [cited 2024 Dec. 19];65(5):2460-8. Available from: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/7623