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. 2016 Jan 19;9(1):60. doi: 10.3390/ma9010060

Figure 3.

Figure 3

(a) The CH3NH3PbI3 perovskite ZnO NWs solar cell structure; (b) The ZnO NWs length and the PV parameters as a function of the growth time at precursor concentration of 90 mM; (c) The change in the ZnO NWs diameter and the open circuit voltage (Voc) as a function of the precursor concentration at 75 min growth time; (d) SEM cross section of the CH3NH3PbI3 perovskite ZnO NWs perovskite solar cell.