期刊
JOURNAL OF MATERIALS CHEMISTRY
卷 21, 期 28, 页码 10348-10353出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c1jm11307k
关键词
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资金
- Outstanding Young Scientist Foundation of the NSFC [20625102]
- International Science and Technology Cooperation Program [2007DFA40830]
- NSFC [20831002, 20571030]
- Jilin Province Hi-Tech Development Project [20061102]
Porous organic frameworks (POFs) have attracted considerable attention due to their high surface areas and good mechanical properties. A series of vivid characteristics in POFs, such as their plentiful phenyl rings texture, their high surface area, uniform pore size distribution and permanent porosity, make themselves suitable adsorbents to adsorb organic pollutants. To synthesize a new porous aromatic framework being composed of only phenyl rings, a monomer 1,3,5-tris(4-bromophenyl)benzene was employed. PAF-5 has been synthesized successfully using the Yamamoto-type Ullmann reaction. This material was characterized by Fourier transform infrared spectroscopy (FT-IR), C-13 solid-state NMR, powder X-ray diffraction (PXRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), thermogravimetric analysis (TGA) and N-2 gas sorption. PAF-5 displaying high stability and high surface area exhibits excellent abilities to adsorb organic chemical pollutants at saturated vapour pressure and room temperature.
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