Figure 1.

FESEM images. (a) TiO2 nanorod array (top view), (b) TiO2 NRAs after 7 cycles of CuInS2 SILAR deposition (top view), (c) and (d) are the corresponding larger magnification images of (a) and (b), (e) and (f) are the cross-sectional SEM images of TiO2 NRAs grown on FTO substrate before and after CuInS2 deposition.

Zhou et al. Nanoscale Research Letters 2012 7:652   doi:10.1186/1556-276X-7-652
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