Er3+:YAG as up-conversion luminescence agent is used to expand responsive spectrum.
Ta2O5 as wide band semiconductor is used to enhance sonocatalytic activity of TiO2.
Pt as co-catalyst is used to enhance sonocatalytic activity of Er3+:YAG/TiO2-Ta2O5.
Er3+:YAG/Pt-(TiO2-Ta2O5) was used to perform sonocatalytic degradation of ametryn.