Figure 6.

SEM and SPM micrographs of fabricated surface. Fabricated by: (a and b) (left) untreated, (middle) silica sol, (right) 0.5% Cu-doped silica, and (c) water drops on surface fabricated by 0.5% Cu-doped silica sol and its contact angle.

Berendjchi et al. Nanoscale Research Letters 2011 6:594   doi:10.1186/1556-276X-6-594
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