Abstract

In this study, we reported the fabrication and characterization of a nano hetero junction (NHJ) structure which is synthesized by a 2-step hydrothermal growth (HTG) method. The zinc oxide (ZnO) nano rods (NRs) were grown by the 2-step HTG onto p-type nickel oxide (p-NiO) film e-beam deposited glass substrate to form n-ZnO-NRs/p-NiO NHJs. The electrical properties of the n-ZnO-NRs/p-NiO NHJs show a rectifying behavior of a p-n junction. The optoelectronic properties of the n-ZnO-NRs/ p-NiO NHJs under UV light (366 nm) light with good sensitivity were presented.

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