Synthesis, characterization and adsorption ability of UiO-66-NH2

被引:165
作者
Cam Loc Luu [1 ]
Thi Thuy Van Nguyen [1 ]
Tri Nguyen [1 ]
Tien Cuong Hoang [1 ]
机构
[1] Vietnam Acad Sci & Technol, Inst Chem Technol, Ho Chi Minh City, Vietnam
关键词
UiO-66-NH2; CO2; adsorption; CH4; METAL-ORGANIC FRAMEWORKS; CARBON-DIOXIDE; STORAGE; SEPARATION; SORPTION; DESIGN; IONS; CO2;
D O I
10.1088/2043-6262/6/2/025004
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
In this study UiO-66 and UiO-66-NH2 were synthesized by solvothermal method. The effect of preparation conditions on the quality of UiO-66-NH2 was studied. The obtained material has been characterized by x-ray diffraction (XRD), infrared spectroscopy (IR), thermogravimatric analysis (TGA), scanning electron microscopy (SEM) and nitrogen physisorption measurements (BET). The CO2 and CH4 physisorption measurements were carried out using a high pressure volumetric analyzer (Micromeritics HPVA-100). The results showed that the UiO-66-NH2 of ball shape crystalline had been obtained and characterized by high surface area (BET) up to 876 m(2) g(-1), specific volume 0.379 cm(3) g(-1), pore radius 9.5 angstrom and thermal stability up to 673 K, respectively. The experiments indicated that in comparison with UiO-66 the addition of NH2 is able to increase the CO2 and CH4 storage capacity at 1 bar and 303 K twice from 28.43 cm(3) g(-1) up to 52 cm(3) g(-1) and from 6.68 cm(3) g(-1) to 11.1 cm(3) g(-1), respectively.
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页数:6
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