Pt enhanced the photo-Fenton activity of ZnFe2O4/α-Fe2O3 heterostructure synthesized via one-step hydrothermal method
| Autor: | Xue Wang, Wenjing Zeng, Yanzhuo Lv, Yueming Ren, Zhuangjun Fan, Zhiqiang Zhang, Mingming Gao, Jing Feng, Tong Wei |
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| Rok vydání: | 2020 |
| Předmět: |
Materials science
One-Step Heterojunction 02 engineering and technology 010402 general chemistry 021001 nanoscience & nanotechnology 01 natural sciences Hydrothermal circulation 0104 chemical sciences Surfaces Coatings and Films Electronic Optical and Magnetic Materials Biomaterials Colloid and Surface Chemistry Chemical engineering Degradation (geology) Pt nanoparticles 0210 nano-technology |
| Zdroj: | Journal of Colloid and Interface Science. 561:793-800 |
| ISSN: | 0021-9797 |
| DOI: | 10.1016/j.jcis.2019.11.058 |
| Popis: | The photo-Fenton activity of ZnFe2O4 was enhanced by the ZnFe2O4/α-Fe2O3 (ZFO/FO) heterostructure synthesized via a one-step hydrothermal method. The degradation efficiency was further improved by loading Pt nanoparticles on the surface of the heterostructure. The degradation efficiencies of MB for ZnFe2O4, ZFO/FO, and ZFO/FO/Pt were 57.82%, 83.71%, and 99.96%, respectively. This can be ascribed to Pt working as an “electron bridge” to transfer the photo-generated electrons from the α-Fe2O3 to solution, thus improving the photo-Fenton efficiency. A noteworthy feature of this study is the successful strategy to fabricate heterostructures photo-Fenton for solving environmental problems at the alkaline condition of pH 9. |
| Databáze: | OpenAIRE |
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