A high connectivity metal-organic framework with exceptional hydrogen and methane uptake capacities

Demin Liu, Haohan Wu, Shunzhi Wang, Zhigang Xie, Jing Li, Wenbin Lin

Research output: Contribution to journalArticle

55 Citations (Scopus)

Abstract

A 6,8-connected 3-dimensional metal-organic framework (2) of the tph topology was constructed from a new aromatic-rich, tetraphenylmethane-derived octa-carboxylate bridging ligand and trizinc cluster secondary building units (SBUs), and exhibited exceptionally high hydrogen (58 mg g -1 and 39 g L -1 at 52 bar and 77 K) and methane (276 mg g -1 and 189 g L -1 at 80 bar and 298 K) uptake capacities. 2 has the highest hydrogen uptake at 298 K among all of the MOFs that have been examined to date. The gravimetric and volumetric methane uptake capacities for 2 are the highest among thousands of MOFs that have been evaluated. We attribute the exceptionally high gas uptake capacities of 2 to the highly branched, aromatic-rich nature of the bridging ligand, optimal pore size, and the open metal sites in the trizinc SBUs in a stable high-connectivity MOF.

Original languageEnglish
Pages (from-to)3032-3037
Number of pages6
JournalChemical Science
Volume3
Issue number10
DOIs
Publication statusPublished - Oct 2012

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Methane
Hydrogen
Metals
Ligands
Pore size
Gases
Topology
tetraphenylmethane

ASJC Scopus subject areas

  • Chemistry(all)

Cite this

A high connectivity metal-organic framework with exceptional hydrogen and methane uptake capacities. / Liu, Demin; Wu, Haohan; Wang, Shunzhi; Xie, Zhigang; Li, Jing; Lin, Wenbin.

In: Chemical Science, Vol. 3, No. 10, 10.2012, p. 3032-3037.

Research output: Contribution to journalArticle

Liu, Demin ; Wu, Haohan ; Wang, Shunzhi ; Xie, Zhigang ; Li, Jing ; Lin, Wenbin. / A high connectivity metal-organic framework with exceptional hydrogen and methane uptake capacities. In: Chemical Science. 2012 ; Vol. 3, No. 10. pp. 3032-3037.
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