Figure 4.

TEM micrographs of AuNPs obtained at different temperatures. TEM micrographs of a sample obtained with a concentration of 0.4 mM Au salt and 1 wt.% detergent at different temperatures: (a) 4°C, (b) 25°C, (c) 45°C, and (d) 65°C. The inset in (d) shows the representative image of Au nanocubes.

Premkumar et al. Nanoscale Research Letters 2011 6:547   doi:10.1186/1556-276X-6-547
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