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. Author manuscript; available in PMC: 2012 Oct 18.
Published in final edited form as: Acc Chem Res. 2011 Apr 29;44(10):914–924. doi: 10.1021/ar200061q

FIGURE 1.

FIGURE 1

Schematic illustrating the structural changes involved in the galvanic replacement reaction between aqueous HAuCl4 and a Ag nanocube with sharp corners (top trace) or truncated corners (bottom trace). The middle trace shows selectively removal of Ag from the alloyed walls using an aqueous etchant such as Fe(NO3)3.