Figure 4.

Characterisation of bimetallic silver-chromium alloy nanoparticles. (A) UV-Vis absorbance spectrum showing an absorption peak at 479 nm. The spectrum for pure silver nanoparticles is shown for comparison. (B) TEM image showing disperse nanoparticles 100 days post-synthesis (scale bar 100 nm), with inset particle diameter distribution. (C) AFM topography image in liquid showing disperse nanoparticles 100 days post-synthesis (scale bar 150 nm), with inset particle height distribution.

Stevenson et al. Nanoscale Research Letters 2012 7:151   doi:10.1186/1556-276X-7-151
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