Application of pea-like yolk–shell structured Fe(3)O(4)@TiO(2) nanosheets for photocatalytic and photo-Fenton oxidation of bisphenol-A

Uniform pea-like yolk–shell (PLYS) structured magnetic TiO(2)(PLYS-Fe(3)O(4)@TiO(2)) nanosheets have been prepared via a combined kinetics-controlled mechanical force-driven and hydrothermal etching assisted crystallization method and characterized. The resulting PLYS-Fe(3)O(4)@TiO(2) nanosheets possess well defined yolk–shell structures with a large BET surface area (∼187.26 m(2) g(−1)) and a strong magnetic susceptibility (∼17.4 emu g(−1)). The reaction rate constant was 24.2 × 10(−2) min(−1) as a result of oxidative decomposition of BPA using UV/PLYS-Fe(3)O(4)@TiO(2)/H(2)O(2) system. This is 1.1 and 8.34 times faster than the BPA decomposition reaction rate constant in UV/TiO(2)/H(2)O(2) and UV/Fe(3)O(4)/H(2)O(2) systems, respectively. The synthesized catalyst also exhibited excellent recycle capability and excellent acid decomposition performance.