Figure 1.

SEM images of AgNPs multilayer films on glass slides prepared in a AgNO3/BuNH2 (5/2.5 mM) ethanolic solution with different reaction times: (a) 1.5 h, (b) 2 h, (c) 5 h, (d) 18 h, (e) 25 h, and (f) 40 h.

Hao et al. Nanoscale Research Letters 2011 6:263   doi:10.1186/1556-276X-6-263
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