Synthesis and hydrogen-storage behavior of metal–organic framework MOF-5
Abstract
Metal–organic framework MOF-5 (Zn 4O(BDC) 3), a microporous material with a high surface area and large pore volume, was synthesized by three approaches: direct mixing of triethylamine (TEA), slow diffusion of TEA, and solvothermal synthesis. The obtained materials were characterized by X-ray diffraction, scanning electron microscopy, thermogravimetric analysis, and nitrogen adsorption, and their hydrogen-storage capacities were measured. The different synthesis methods influenced the pore-structure parameters, morphologies and hydrogen-storage behavior of the obtained MOF-5. MOF-5 synthesized by the solvothermal approach showed a higher surface area and larger pore volume than the samples prepared by the other two approaches. Measurements of the hydrogen-storage behavior showed that the hydrogen-storage capacity was correlated with the specific surface area and pore volume of MOF-5.
- Publication:
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International Journal of Hydrogen Energy
- Pub Date:
- January 2009
- DOI:
- 10.1016/j.ijhydene.2008.11.048
- Bibcode:
- 2009IJHE...34.1377L
- Keywords:
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- Metal–organic framework;
- MOF-5;
- Synthesis;
- Hydrogen storage