Figure 6.

Room-temperature PL spectrum of the as-grown and ZnO-passivated ZnO nanoflowers. The room-temperature PL spectrum of the as-grown ZnO nanoflowers and the samples coated by the ZnO thin films with varied thicknesses. The inset shows the PL spectra of the ZnO thin film by ALD on silicon substrate.

Ai et al. Nanoscale Research Letters 2013 8:105   doi:10.1186/1556-276X-8-105
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