Figure 7.

Photograph and water droplets with a contact angle. (a) Photograph and (b) water droplets with a contact angle for bulk Si substrate (left) and antireflective Si (right) fabricated by an optimum Si MaCE condition, respectively.

Yeo et al. Nanoscale Research Letters 2013 8:159   doi:10.1186/1556-276X-8-159
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