Well-aligned ZnO nanorods for device applications: Synthesis and characterisation of ZnO nanorods and n-ZnO/p-Si heterojunction diodesN. Koteeswara Reddy, Q. Ahsanulhaq, J. H. Kim and Y. B. HahnEPL, 81 3 (2008) 38001DOI: https://doi.org/10.1209/0295-5075/81/38001