Photocatalytic Property of Fe₃O₄/SiO₂/TiO₂ Core-Shell Nanoparticle with Different Functional Layer Thicknesses

Table 1

Specific surface area of the FST nanoparticles.

Type	BET (m^2/g)
FST1	55.611±2%
FST2	48.392±2%
FST3	7.604±2%
FST4	5.85±2%
FST5	4.58±2%
Pure TiO2	41.708±2%