Figure 6From: n-ZnO nanorods/p+-Si (111) heterojunction light emitting diodesI - V characteristics of n - ZnO NRs / p+- Si heterojunction. (a) 200°C, (b) 400°C, (c) 600°C, and (d) 800°C. The turn-on voltage were 9.8, 3.7, 3.2, and 3.1 V, respectively.Back to article page