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T. Zeng,Y. Bai,H. Li,W. F. Yao 성균관대학교(자연과학캠퍼스) 성균나노과학기술원 2015 NANO Vol.10 No.5
In this work, Fe3O4 with nanosized triangle plates and capsule-like nanoparticles were prepared by solvothermal approach (Fe3O4-S) and hydrothermal approach (Fe3O4-H), respectively and their catalytic performance as a heterogeneous Fenton-like catalyst are investigated. Excellent ferromagnetic properties are obtained in both Fe3O4-S nanoplates and Fe3O4-H nanoparticles. The Fe3O4-S nanoplates exhibited better catalytic performance than Fe3O4-H nanoparticles in the degradation of Rhodamine B (RhB) with hydrogen peroxide. The relatively high catalytic activity of Fe3O4-S can be ascribed to its high specific surface area and high degree of crystallinity. Fe3O4-S nanoplates also exhibit good catalytic stability and reusability and do not generate significant loss of catalytic activity after four cycles of degradation.