Issue 1, 2013
From the journal:

Journal of Materials Chemistry A

A microporous metal–organic framework with both open metal and Lewis basic pyridyl sites for highly selective C2H2/CH4 and C2H2/CO2 gas separation at room temperature†

Hui Xu,ab   Yabing He,b   Zhangjing Zhang,c   Shengchang Xiang,c   Jianfeng Cai,a   Yuanjing Cui,a   Yu Yang,a   Guodong Qian*a  and  Banglin Chen*ab  

* Corresponding authors

a State Key Laboratory of Silicon Materials, Cyrus Tang Center for Sensor Materials and Applications, Department of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, China
E-mail: gdqian@zju.edu.cn

b Department of Chemistry, University of Texas at San Antonio, One UTSA Circle, San Antonio, Texas 78249-0698, USA
E-mail: banglin.chen@utsa.edu
Fax: +1 210-458-7428

c College of Chemistry and Materials, Fujian Normal University, 3 Shangsan Road, Cangshang Region, Fuzhou, China 350007

Abstract

To immobilize both open metal and Lewis basic pyridyl sites into a microporous metal–organic framework, Cu6(PDC)6·2.6H2O (UTSA-50) was solvothermally synthesized and characterized. The combination of open metal sites and Lewis basic pyridyl functional sites leads to a high acetylene adsorption enthalpy of 39.4 kJ mol−1. As a result, UTSA-50 is a very promising MOF material for the highly selective separation of C2H2/CH4 and C2H2/CO2 at room temperature with the highest C2H2/CH4 separation selectivity of 68 ever reported and moderately high acetylene uptake of 91 cm−1 g−1.

Graphical abstract: A microporous metal–organic framework with both open metal and Lewis basic pyridyl sites for highly selective C2H2/CH4 and C2H2/CO2 gas separation at room temperature

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Article information

DOI
https://doi.org/10.1039/C2TA00155A
Article type
Paper
Submitted
31 août 2012
Accepted
15 oct. 2012
First published
16 oct. 2012

J. Mater. Chem. A, 2013,1, 77-81

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A microporous metal–organic framework with both open metal and Lewis basic pyridyl sites for highly selective C2H2/CH4 and C2H2/CO2 gas separation at room temperature

H. Xu, Y. He, Z. Zhang, S. Xiang, J. Cai, Y. Cui, Y. Yang, G. Qian and B. Chen, J. Mater. Chem. A, 2013, 1, 77 DOI: 10.1039/C2TA00155A

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