High capacity CO2 adsorption in a Mg(II)-based phosphine oxide coordination material

Alisha M. Bohnsack; Ilich A. Ibarra; Peter W. Hatfield; Ji Woong Yoon; Young Kyu Hwang; Jong-San Chang; Simon M. Humphrey

doi:10.1039/C1CC10754B

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High capacity CO₂adsorption in a Mg(ii)-based phosphine oxide coordination material†‡

Alisha M. Bohnsack,^a Ilich A. Ibarra,^a Peter W. Hatfield,^b Ji Woong Yoon,^c Young Kyu Hwang,^c Jong-San Chang^c and Simon M. Humphrey*^a

Author affiliations

* Corresponding authors

^a Department of Chemistry and Biochemistry, The University of Texas at Austin, 1 University Station A5300, Austin, USA
E-mail: smh@cm.utexas.edu
Tel: +1-(512)-471-0312

^b University Chemical Laboratory, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, UK

^c Catalysis Center for Molecular Engineering, Korea Research Institute of Chemical Technology, PO Box 107, Yusung, Daejeon, Korea

Abstract

The new porous phosphine coordination material, PCM-11, is an unusual 8,4-connected coordination polymer with an open 3-D pore structure, formed by reaction of Mg(II) with tris(para-carboxylato)triphenylphosphine oxide. The highly ionic nature of the metal–ligand bonding results in excellent thermal stability upon desolvation (>460 °C). PCM-11 is easily activated for small molecule sorption at low temperature without the requirement for solvent pre-exchange. It adsorbs 47.5 wt% CO₂ at 11.6 bar and 30 °C.

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Article information

DOI: https://doi.org/10.1039/C1CC10754B
Article type: Communication
Submitted: 08 Feb 2011
Accepted: 23 Feb 2011
First published: 25 Mar 2011

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Chem. Commun., 2011,47, 4899-4901

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High capacity CO₂ adsorption in a Mg(II)-based phosphine oxide coordination material

A. M. Bohnsack, I. A. Ibarra, P. W. Hatfield, J. W. Yoon, Y. K. Hwang, J. Chang and S. M. Humphrey, Chem. Commun., 2011, 47, 4899 DOI: 10.1039/C1CC10754B

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