Research Article
Layer-by-Layer Assembly and Photocatalytic Activity of Titania Nanosheets on Coal Fly Ash Microspheres
Figure 1
The SEM images of samples as-prepared: (a) and (b) CFA; (c) and (d) Ti0.91O2/CFA-2; (e) and (f) Ti0.91O2/CFA-4; (g) and (h) Ti0.91O2/CFA-8.