Figure 3.
TEM images of (a) 0.25 wt % Au/Al2O3; (b) 0.50 wt % Au/Al2O3, (c) 1.00 wt % Au/Al2O3; (d) 1.50 wt % Au/Al2O3 and (e) 2.00 wt % Au/Al2O3.
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