Issue 30, 2015

A (3,8)-connected metal–organic framework with a unique binuclear [Ni22-OH)(COO)2] node for high H2 and CO2 adsorption capacities

Abstract

A rare binuclear [Ni22-OH)(COO)2]-based nickel–organic framework (1) composed of close-packed irregular octahedral cages possesses a new (3,8)-connected topology with the Schläfli symbol of (3·52)2(34·42·56·611·74·8). At 1.0 bar, this activated sample (1a) exhibits a considerably high H2 uptake of 203.2 cm3 g−1 (1.81 wt%) at 77 K, and a high CO2 uptake of 108.2 cm3 g−1 (21.3 wt%) at 273 K. In addition, 1a has good adsorption selectivity for CO2 over CH4 and N2.

Graphical abstract: A (3,8)-connected metal–organic framework with a unique binuclear [Ni2(μ2-OH)(COO)2] node for high H2 and CO2 adsorption capacities

Supplementary files

Article information

Article type
Communication
Submitted
13 May 2015
Accepted
24 Jun 2015
First published
25 Jun 2015

J. Mater. Chem. A, 2015,3, 15399-15402

A (3,8)-connected metal–organic framework with a unique binuclear [Ni22-OH)(COO)2] node for high H2 and CO2 adsorption capacities

L. Zhang, J. Qian, W. Yang, X. Kuang, J. Zhang, Y. Cui, W. Wu, X. Wu, C. Lu and W. Chen, J. Mater. Chem. A, 2015, 3, 15399 DOI: 10.1039/C5TA03493K

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