Fig. 1
From: Ion exchange: an advanced synthetic method for complex nanoparticles
(Reprinted with permission from American Chemical Society [78])
The crystalline structures of roxbyite Cu2−xS and wurtzite CoS/MnS. The selective transformation of template Cu2−xS NPs into CoS and MnS NPs is related to the conservation of the HCP anion lattice during the exchange of cations