Research Article

Preparation of Ag-Coated SiO2@TiO2 Core-Shell Nanocomposites and Their Photocatalytic Applications towards Phenol and Methylene Blue Degradation

Figure 5

XPS spectra of 6 wt.% Ag-coated SiO2@TiO2 photocatalysts: survey (a), high-resolution Si 2p (b), Ti 2p (c), and Ag 3d (d).
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(b)
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(d)