Journal
MATERIALS
Volume 15, Issue 10, Pages -Publisher
MDPI
DOI: 10.3390/ma15103645
Keywords
hierarchically porous; MIL-101(Cr); butyric acid; MO adsorption; catalysis
Categories
Funding
- National Natural Science Foundation of China [51802094]
- Science and Technology Program of Hunan Province, China [2018RS3084]
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Hierarchically porous MIL-101(Cr) prepared via nanofusion process showed higher adsorption capability and catalytic efficiency, leading to improved performance in certain reactions.
Hierarchically porous MIL-101(Cr) (H-MIL-101(Cr)) with meso/macro-pores was directly prepared via nanofusion progress by using butyric acid as a modulating agent. In the methyl orange (MO) adsorption experiments, H-MIL-101(Cr) showed a high adsorption capability of 369.8 mg g(-1), which was 1.52-fold greater than that of pristine MIL-101(Cr) (P-MIL-101(Cr)). While in the oxidation reaction of indene and 1-dodecene tests, H-MIL-101(Cr) presented much higher catalytic efficiency, with turnover frequency (TOF) values of 0.7242 mmol g(-1) min(-1) and 0.1492 mmol g(-1) min(-1), respectively, which were 28% and 34% greater than that in the case of P-MIL-101(Cr). Thus, compared with P-MIL-101(Cr), H-MIL-101(Cr) exhibited better removal efficiency and higher levels of activity in the oxidation reactions of indene and 1-dodecene. The unique structure of H-MIL-101(Cr) also contributed to its superior performance in these processes.
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