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One-step preparation of well-dispersed spindle-like Fe2O3 nanoparticles on g-C3N4 as highly efficient photocatalysts

文献类型： 外文期刊

作者： Xiong, ShuYao 1 ; Liu, XinHui 1 ; Zhu, XianJian 1 ; Liang, Gang 3 ; Jiang, ZhuoJun 1 ; Cui, BaoShan 1 ; Bai, JunHong 1 ;

作者机构： 1.Beijing Normal Univ, Sch Environm, State Key Lab Water Environm Simulat, Beijing 100875, Peoples R China

2.Beijing Normal Univ, Res & Dev Ctr Watershed Environm Ecoengn, Zhuhai 519087, Peoples R China

3.Beijing Acad Agr & Forestry Sci, Beijing Res Ctr Agr Stand & Testing, Beijing 100097, Peoples R China

关键词： Nanophotocatalyst; One-step synthesis; Fe2O3/g-C3N4; Z-type heterojunction

期刊名称：ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY （ 影响因子：6.291； 五年影响因子：6.393 ）

ISSN： 0147-6513

年卷期： 2021 年 208 卷

页码：

收录情况： SCI

摘要： Photocatalysis has attracted wide attention due to its outstanding advantages in dealing with sewage. And compounds of metal oxides and g-C3N4 that possess Z-type heterojunctions have become the star photocatalysts in degrading pollutants. In this paper, a novel one-step method for the preparation of highly efficient photocatalyst of Fe2O3/g-C3N4, using Fe (NO3)(3) and urea as raw materials, is described. Under the optimized condition, the one-step synthesized photocatalyst of FeGCN-0.10 showed higher photocatalytic performance compared with the multi-step prepared photocatalyst, and the rate of removing basic fuchsin was 92% (210 min), which was 19.5% higher than that of the latter. Furthermore, different methods were also applied for characterizing Fe2O3/g-C3N4. Structural characterization results confirmed the composites of Fe2O3/g-C3N4. Morphological characterization results showed that spindle-like Fe2O3 particles were distributed more evenly on the layered gC(3)N(4) compared with the impregnation method. Optical characterization results demonstrated the high intensity of the separated photo-generated electron-hole pairs and of Fe2O3/g-C3N4, which uncovered the removing mechanism of basic fuchsin.

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