fig2
Figure 2. (A) SEM and (B) TEM morphologies of BST nanoparticles. (C) SEM and (D) TEM morphologies of BST@CdS nanoparticles. (E) XRD patterns of BST nanoparticles and BST@CdS nanoparticles. (F) HR-TEM image, (G) SAED patterns, and (H) EDS images of BST@CdS nanoparticle. (I) Survey spectra of BST and BST@CdS nanoparticles. High-resolution XPS spectra of BST and BST@CdS nanoparticles: (J) Cd 3d, S 2p, (K) Ba 3d, and Ti 2p.
