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Nitrogen-doped Fe3C@C particles as an efficient heterogeneous photo-assisted Fenton catalyst

机译：氮掺杂Fe 3 C @ C颗粒作为一种高效的非均相光助芬顿催化剂

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Designing high-efficiency heterogeneous photo-assisted Fenton catalysts is the key to harnessing solar energy for promoting the Fenton process in water treatment. Herein we developed nitrogen-doped Fe3C@C particles by thermally treating Fe3O4 precursor with dicyandiamide. The as-prepared Fe–N–C hybrid material was comprehensively characterized by electron microscopy, various spectroscopic techniques and so forth to confirm the compositions and structures. The band gap of nitrogen-doped Fe3C@C particles was about 1.6 eV. Methylene blue was used as a model organic contaminant to test the photo-assisted Fenton activity of the nitrogen-doped Fe3C@C particles, with optimal dosages of H2O2 and the catalyst itself, which showed excellent efficiency in removing the model contaminant, demonstrating that the as-prepared hybrids can work as a highly efficient photo-assisted Fenton catalyst.
机译：设计高效的非均相光助Fenton催化剂是利用太阳能促进水处理中Fenton工艺的关键。在这里，我们通过热处理Fe 3 O <来开发氮掺杂的Fe 3 C @ C颗粒。带有双氰胺的sub> 4 前体。通过电子显微镜，各种光谱技术等对制备的Fe–N–C杂化材料进行了全面表征，以确认其成分和结构。氮掺杂的Fe 3 C @ C颗粒的带隙约为1.6 eV。亚甲基蓝被用作模型有机污染物，以最佳掺杂量H 3 C @ C颗粒的光助Fenton活性。 > 2 O 2 和催化剂本身，在去除模型污染物方面显示出优异的效率，证明了所制备的杂化物可以用作高效的光助Fenton催化剂。

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