Figure 5

XPS spectra of ZnS@In2S3 core@shell hollow spheres: (a) survey of the sample, (b) Zn 2p spectrum, (c) In 3d spectrum, (d) S 2p spectrum.

XPS spectra of ZnS@In2S3 core@shell hollow spheres: (a) survey of the sample, (b) Zn 2p spectrum, (c) In 3d spectrum, (d) S 2p spectrum.