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T-Shaped Fe-Based Multistoichiometry Stereoscopic Composite Catalyst with Ultrahigh Activity toward Fenton-like Water
Dongting Yue1, Tianbiao Zeng2, Yunzhang Li1
1Shanghai University, Shanghai Key Laboratory of Atomic Control and Application of Inorganic 2D Supermaterials, School of Environmental and Chemical Engineering, NO. 99 Shangda Road, Baoshan District, Shanghai 200444, People's Republic of China.
Abstract:
We report an unusual T-shaped Fe-based multistoichiometry stereoscopic composite catalyst with multifunctional active sites, fabricated via a one-step graphene-controlled all-solid-state synthesis. This tailored catalyst can improve all three catalysis processes of H_{2}O_{2} adsorption, peroxide bond activation, and HO^{•} desorption, resulting in a novel catalytic framework where the two-dimensional (2D) Fe_{2}O_{3} nanosheets optimize H_{2}O_{2} adsorption, and the 2D FeOCl nanosheets vertically grown on the Fe_{2}O_{3} surface can facilitate both the generation and desorption of HO^{•}.
