Oxide p-n Heterojunction of Cu<sub>2</sub>O/ZnO Nanowires and Their Photovoltaic Performance

<table>EQE curves of devices with different Cu<sub>2</sub>O/ZnO heterojunction structures: planar and nanowire structure.</table>

Journal of Nanomaterials

Figure 6: Oxide p-n Heterojunction of Cu<sub>2</sub>O/ZnO Nanowires and Their Photovoltaic Performance 