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Abstract:
Air pollution, typically "haze air," is getting worse in the urban areas of many countries worldwide. The development of advanced materials for the removal of air pollutants is of great significance for protecting public health. We herein present two promising metal-organic frameworks (MOFs) that show high capture capacities for aromatic volatile organic compounds even at low pressure and high temperature, e.g. benzene uptakes of 1.65 and 0.71 mmol g(-1) at 0.12 kPa and 80 degrees C. Breakthrough experiments verify their excellent performance in capturing trace benzene in humid air, also showing them to be comparable with some benchmark materials, including Carboxen 1000, PAF-1, MIL-101 (Cr), and so on. Furthermore, the capture performance is well interpreted by the single-crystal structures of guest-loaded phases, where distinct adsorption sites, multiple synergistic host-guest and guest-guest interactions, and adaptive local flexibility are disclosed.
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CHEM
ISSN: 2451-9294
Year: 2018
Issue: 8
Volume: 4
Page: 1911-1927
2 3 . 5 0 0
JCR@2022
JCR Journal Grade:1
Cited Count:
WoS CC Cited Count: 264
SCOPUS Cited Count: 283
ESI Highly Cited Papers on the List: 20 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 7
Affiliated Colleges: