Modification of ZIF-8 Membranes for Gas Separation Using X-ray Radiation

被引：0
作者：
Lee, Dennis T. [1 ,2 ,3 ]
Ahmad, Mueed [3 ,4 ]
Corkery, Peter [1 ,2 ]
Boscoboinik, J. Anibal [3 ,4 ]
Fairbrother, D. Howard [5 ]
Tsapatsis, Michael [1 ,2 ,6 ]
机构：
[1] Johns Hopkins Univ, Dept Chem & Biomol Engn, 3400 N Charles St, Baltimore, MD 21218 USA
[2] Johns Hopkins Univ, Inst NanoBioTechnol, 3400 N Charles St, Baltimore, MD 21218 USA
[3] Stony Brook, Dept Mat Sci & Chem Engn, Stony Brook, NY 11790 USA
[4] Brookhaven Natl Lab, Ctr Funct Nanomat, Upton, NY 11973 USA
[5] Johns Hopkins Univ, Dept Chem, 3400 N Charles St, Baltimore, MD 21218 USA
[6] Johns Hopkins Univ, Appl Phys Lab, 11100 Johns Hopkins Rd, Laurel, MD 20723 USA
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2024年
关键词：
Metal-organic frameworks; ZIF-8; membranes; Membrane modification; X-ray irradiation; Gas separation; IMIDAZOLATE FRAMEWORK MEMBRANES; DEPOSITION; DESIGN;
D O I：
10.1002/anie.202419532
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
We report an X-ray radiation-induced modification of the structure and gas permeation behavior of ZIF-8 membranes. With 300 min irradiation time, CO2 permeance decreases by only 9 %, while N2 and CH4 permeances reduce by 75 and 65 %, respectively, leading to 3.7- and 2.6-fold enhancements in ideal selectivity for CO2/N2 and CO2/CH4.
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页数：7
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