Figure 1.

Cross-sectional view of silicon nanopillar arrays deposited on substrates coated by PS nanospheres with different diameters. (a) 0 (plain glass), (b) 200 nm, (c) 500 nm, and (d) 1,000 nm. The insets show the morphology of the corresponding PS nanosphere monolayer.

Yuan et al. Nanoscale Research Letters 2014 9:173   doi:10.1186/1556-276X-9-173
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