Figure 3.

XRD patterns. ZnO layers deposited on glass substrate (a) and UV–vis transmission spectra for the FTO substrate without and with ZnO layers (b). The inset in b is the SEM photo of FTO substrate covered with 15-nm-thick ZnO film.

Ding et al. Nanoscale Research Letters 2013 8:9   doi:10.1186/1556-276X-8-9
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