Figure 6.

TEM image and electron diffraction pattern of the purified gold nanoparticles. (a) TEM image showing the morphology of the gold crystals. (b) Electron diffraction pattern from the GNPs showing the (111), (200), (220), (311), and (222) reflections of gold.

Zhang et al. Nanoscale Research Letters 2012 7:337   doi:10.1186/1556-276X-7-337
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