Void Structures in Regularly Patterned ZnO Nanorods Grown with the Hydrothermal Method

<table>PL spectra of Ga-doped ZnO NR array samples with different thermal annealing temperatures. The Ga-doped ZnO NRs are grown under the standard condition. The annealing process is undertaken with ambient oxygen for 60 min.</table>

Journal of Nanomaterials

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Figure 9

Figure 9: Void Structures in Regularly Patterned ZnO Nanorods Grown with the Hydrothermal Method 