Figure 4.

SEM images of PS/Ag CSSNs at different stages of fabrication. After seeding where Ag ions were coated on the surface of PEI-modified PS particles at 100°C (a); after reducing where Ag ions were reduced at 80°C (b).

Zhang et al. Nanoscale Research Letters 2012 7:580   doi:10.1186/1556-276X-7-580
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