7 Applications Perspectives of Nanodispersed Chalcogenides of Transition. . .
103
Table 7.1
Classification of photocatalysts by the type of solid-state material [6]
The type of material
Examples
Chalcogenides of
metals
Simple
CdS, ZnS, ZnSe, In
2 S
3 , ZnSe, Sb
2 S
3
Metal oxides
TiO
2 , ZnO, CuO
Complex
Binary-oxides
TiO
2 /ZnO, TiO
2 /SnO
2 , TiO
2 /Fe
2 O
3 , CeO
2 /TiO
2 , TiO
2 /Cu(OH)
2 , SnO
2 /ZnO, TiO
2 /ZrO
2
Chalcogenide-oxides
CdS/TiO
2 , CdS/ZrO
2 , PbS/TiO
2 , CdSe/TiO
2 , Bi
2 S
3 /TiO
2 , WS
2 /TiO
2
Metal-semiconductors
Pt/TiO
2 , Pd/TiO
2 , Au/ZnO, Ag/ZnO -Ce
Doped
Metals cations
TiO
2 -Fe, –Co, –V, –Nb,–Zr, –Sm, –W, –Cr, –Cu,–Sn, –Ag, –Ta, –Ce
Non-metal atoms
TiO
2 -N, –S, –C, –Cl
Metal
semiconductors
SrTiO
3 , ZrTiO
4 , K
4 Nb
6 O
17 , Bi
3 WO
6 , NiTiO
3