Synthesis and gas adsorption properties of mesoporous silica-NH2-MIL-53(Al) core-shell spheres

被引：29
作者：
Sorribas, Sara [1 ,2 ]
Zornoza, Beatriz [1 ,2 ]
Serra-Crespo, Pablo [3 ]
Gascon, Jorge [4 ]
Kapteijn, Freek [4 ]
Tellez, Carlos [1 ,2 ]
Coronas, Joaquin [1 ,2 ]
机构：
[1] Univ Zaragoza, Chem & Environm Engn Dept, Zaragoza 50018, Spain
[2] Univ Zaragoza, INA, Zaragoza 50018, Spain
[3] Delft Univ Technol, Radiat & Isotopes Hlth Radiat Sci & Technol, Mekelweg 15, NL-2629 JB Delft, Netherlands
[4] Delft Univ Technol, Catalysis Engn Chem Engn Dept, Julianalaan 136, NL-2628 BL Delft, Netherlands
来源：
MICROPOROUS AND MESOPOROUS MATERIALS | 2016年 / 225卷
关键词：
Metal-organic framework; NH2-MIL-53; Ordered mesoporous silica; Core-shell; Adsorption; METAL-ORGANIC-FRAMEWORKS; MIXED MATRIX MEMBRANES; TEREPHTHALATE MIL-53; CARBON-DIOXIDE; CO2; ADSORPTION; SEPARATION; SILICA; MICROSPHERES; HYDROGEN; CH4;
D O I：
10.1016/j.micromeso.2015.12.004
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Ordered mesoporous silica-NH2-MIL-53(Al) core shell spheres of about 4 gm in diameter have been synthesized by seeding the corresponding mesoporous silica spheres (MSSs) with crystals of NH2-MIL53(Al) and subsequent secondary crystal growth into a MOF shell. The morphology of the particles was analyzed by SEM, while TGA, EDX and XRD characterizations gave information on the composition and structure of this material and the activation of the MOF. N-2 adsorption analysis revealed that the NH2-MIL-53(Al) shell controlled the access of guest molecules into the hydrophilic silica mesoporous structure, while the breathing behavior of the microporous NH2-MIL-53(Al) shell was confirmed by CO2 adsorption isotherms. (C) 2015 Elsevier Inc. All rights reserved.
引用
收藏
页码：116 / 121
页数：6
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