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. 2014 May 14;7(5):3834–3854. doi: 10.3390/ma7053834

Figure 2.

Figure 2.

Schematic illustration of the formation of nanoporous gold film electrode by a multicyclic electrochemical alloying/de-alloying method. Step 1, electrodeposition of Zn and formation of Au-Zn alloy; step 2, electrochemical dealloying; step 3, electrodeposition of Zn and formation of Au-Zn alloy again; step 4, formation of nanoporous gold film after multicyclic alloying/de-alloying. Reprinted with permission from [15]. Copyright 2007, American Chemical Society.