Figure 6.

Carrier transport processes in the ZnO NRs PDs. (a) Photogenerated electron transport route under UV illumination. (b) Schematic energy level diagrams of the PD with MgZnO seed layer at dark and under UV illumination, respectively.

Zhou et al. Nanoscale Research Letters 2011 6:147   doi:10.1186/1556-276X-6-147
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