Figure 2.

FESEM images of TiO2 nanoparticle thin film on FTO glass fabricated by doctor blading method. (a, b) The top-view images of the as-deposited and the compressed film, respectively. (c) The cross-sectional image. The insets in (a) and (b) are high-magnification images.

Tsai et al. Nanoscale Research Letters 2013 8:459   doi:10.1186/1556-276X-8-459
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