Figure 2.

SEM images of silver nanocrystals obtained by varying the concentrations of PVPMW=29,000 and PVPMW=40,000. PVPMW=29,000(a) 0.143 M, (b) 0.286 M, and (c) 0.572 M. PVPMW=40,000(d) 0.143 M, (e) 0.286 M, and (f) 0.572 M.

Song et al. Nanoscale Research Letters 2014 9:17   doi:10.1186/1556-276X-9-17
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