The UV/VIS spectra for the solution contain ZnO@SiO2 and ZnO@
SiO2@mSiO2 NPs in HY surfactant Fig. 6(a–c). HY surfactant was used
to obtain a homogenous solution of un-coated and coated silica zinc
oxide particles. Two peaks at 359, 290 nm are shown in Fig. 6(a–c),