Copper Selenide (CuSe) Monolith Fabricated by Facile Copper Foam Selenization for Efficient Photocatalytic Degradation of Methylene Blue

Figure 5

EDS mappings of (a) Se and (b) Cu, and (c) the compositional ratios of Se and Cu in the CuSe-based monolithic photocatalyst as derived from EDS mapping results.