Journal
APPLIED CATALYSIS B-ENVIRONMENTAL
Volume 245, Issue -, Pages 753-759Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apcatb.2019.01.012
Keywords
Solvent-free; Metal-organic framework; Polyoxometalate; Photocatalytic materials; Sulfamethazine
Funding
- National Natural Science Foundation of China [21531007, 21871220, 21875187]
- Natural Science Basic Research Plan in Shaanxi Province of China [2018JQ2026, 2017JQ2012]
- Scientific Research Program - Shaanxi Provincial Education Department [18JK0355]
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Through a less-investigated in-situ hot-pressing synthesis method, the phosphotungstic acid H3PW12O40 (denoted as PW12) was rapidly incorporated into a metal-organic framework MFM-300(In) in a short time, affording novel PW12@MFM-300(In) composites. This solvent-free preparation process is not only environment-friendly but also energy/time-saving. The inclusion of PW12 in MFM-300(In) was demonstrated by different physical and chemical characterizations. It was interesting to fmd that PW12@MFM-300(In) as new heterocatalysts display synergistic activity for the visible-light-driven catalytic degradation of pharmaceutically active compound sulfamethazine (SMT). 4-PW12@MFM-300(Ln) with excellent robustness possesses the high removal efficiency of about 98% toward SMT within 2 h at room temperature, and can also be recycled multiple times for this catalytic process.
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