ZnO-based deep-ultraviolet light-emitting devices Project supported by the National Natural Science Foundation for Distinguished Young Scholars of China (Grant No. 61425021) and the Natural Natural Science Foundation of China (Grant Nos. 11374296, 61376054, 61475153, and 61604132). |
(color online) (a) Schematic illustration of the Au/MgO/ZnO structure. (b) Band alignment of the Au/MgO/ZnO structure under forward bias, showing the generation, multiplication, and injection of electrons and holes.[ |