Fig. 13From: Ion exchange: an advanced synthetic method for complex nanoparticles(Reprinted with permission from American Chemical Society [96])a A schematic of the cation exchange reaction in Cu1.81S@IrxSy involving Au and Pd ions. Scanning transmission electron microscopy images of the Janus-like (Au2S–Cu1.81S)@IrxSy NPs (b) and the Janus-like (PdS–Cu1.81S)@IrxSy NPs (c)Back to article page