10.1007/s40097-015-0167-9

In situ Na·Cu3(BTC)2 and Li·Cu3(BTC)2 nanoporous MOFs synthesis for enhancing H2 storage at ambient temperature

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  • Mansoor Anbia*1,
  • Mojtaba Faryadras1,
  1. Research Laboratory of Nanoporous Materials, Faculty of Chemistry, Iran University of Science and Technology, Tehran, 16846-13114, IR
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Published in Issue 15-07-2015

How to Cite

Anbia, M., & Faryadras, M. (2015). In situ Na·Cu3(BTC)2 and Li·Cu3(BTC)2 nanoporous MOFs synthesis for enhancing H2 storage at ambient temperature. Journal of Nanostructure in Chemistry, 5(4 (December 2015). https://doi.org/10.1007/s40097-015-0167-9
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Abstract

Abstract Na·Cu 3 (BTC) 2 and Li·Cu 3 (BTC) 2 (MOF) were synthesized using in situ sodium and lithium doping as hydrogen adsorbing materials. Phase stability and microstructure of the Na·Cu 3 (BTC) 2 and Li·Cu 3 (BTC) 2 materials were characterized by FT-IR, XRD, SEM, BET, and TGA. After in situ ions doping, the basic structures of Na·Cu 3 (BTC) 2 and Li·Cu 3 (BTC) 2 materials were not changed, but the surface area increased from 1300 to 1434 and 1445 m 2  g −1 , and the amount of hydrogen adsorbed increased from 1 to 1.4 and 1.6 wt% for Na·Cu 3 (BTC) 2 and Li·Cu 3 (BTC) 2 materials, respectively. Enhancement of hydrogen adsorption after sodium and lithium ion doping could be due to physical interaction (binding energy interaction) between hydrogen molecules and sodium ions and also due to increase of the surface area. It maybe that sodium and lithium ions act as an additional adsorption sites and adsorb hydrogen molecules.

Keywords

  • Hydrogen adsorption,
  • Metal–organic framework,
  • (Cu3(BTC)2),
  • Sodium doping,
  • Lithium doping
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