Figure 1.

SEM images of PS nanospheres on quartz substrate. (a) Top morphology after self-assembly, and after O2 plasma tailoring with a typical gas pressure of 2 Pa, and O2 gas flow of 40 sccm, a radio-frequency (RF) power of 40 W, with the treatment time as (b) 3, (c) 5, and (d) 10 s, respectively.

Zhu et al. Nanoscale Research Letters 2014 9:25   doi:10.1186/1556-276X-9-25
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