Figure 3

SEM images of (a) raw attapulgite, (b) Sb2Se3 sample, (d) Sb2Se3-Sb2O3-attapulgite, (e) Sb2Se3/Sb2O3@attapulgite composites and EDS spectra of (c) Sb2Se3 sample and (f) Sb2Se3/Sb2O3@attapulgite.

SEM images of (a) raw attapulgite, (b) Sb2Se3 sample, (d) Sb2Se3-Sb2O3-attapulgite, (e) Sb2Se3/Sb2O3@attapulgite composites and EDS spectra of (c) Sb2Se3 sample and (f) Sb2Se3/Sb2O3@attapulgite.