期刊
MATERIALS RESEARCH BULLETIN
卷 125, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.materresbull.2020.110806
关键词
MOF; MIL-88A; Room-temperature preparation; Photo-Fenton; Visible light
资金
- National Natural Science Foundation of China [21806008, 21876008, 51878023, 51578034]
- Beijing Natural Science Foundation [8202016]
- Beijing Talent Project [2019A22]
- Great Wall Scholars Training Program Project of Beijing Municipality Universities [CITTCD20180323]
- Project of Construction of Innovation Teams and Teacher Career Development for Universities and Colleges Under Beijing Municipality [MHT20170508]
MIL-88A, a Fe-based MOF, with different sizes was prepared successfully at room-temperature, which was characterized by scanning electron microscopy (SEM), X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR) and UV-vis diffuse reflectance spectroscopy (UV-vis DRS). Water played an important role in the room-temperature synthesis as water could facilitate the deprotonation of fumaric acid and hydrolysis of iron salt to accelerate crystal nucleation, and this room-temperature preparation is beneficial to the large-scale synthesis and is imperative to push forward the development of the MIL-88A. The as-prepared MIL-88A exhibited excellent photo-Fenton catalytic performance towards rhodamine B and bisphenol A removal under visible light irradiation (LED). The main active specie was investigated, the degradation mechanism and BPA degradation pathway were proposed. Furthermore, the as-prepared MIL-88A displayed good reusability, and there was no obvious decline of degradation performance after five cycles.
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