Fig. 11
From: Ion exchange: an advanced synthetic method for complex nanoparticles
(Reprinted with permission from the Royal Society of Chemistry [63])
a The proposed mechanism for the formation of Au@SnS3 and Au@SnS2 core–shell NPs by using TBP or TOP as the ligand in the cation exchange reaction, b a transmission electron microscopy image of the resultant core–shell NPs using TBP, and c extinction spectra and d photocurrent-potential curves of the Au@SnS3 and Au@SnS2 core–shell NPs