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Updated: Jan 22, 2026

Synthesis and Characterization of Functionalized Metal-organic Frameworks
Published on: September 5, 2014
Functionalization of benzothiadiazole in magnesium-based metal-organic framework for C2H2/CO2 separation
Haiyi Sun1, Yunlei Liu2, Meng Sun1
1Shandong Key Laboratory of Intelligent Energy Materials, State Key Laboratory of Heavy Oil Processing, School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao, Shandong 266580, China. xiaokangwang0625@163.com.
None:
The separation of acetylene (C2H2) and carbon dioxide (CO2) is quite challenging due to their similar physical properties. Metal-organic frameworks (MOFs) have emerged as promising porous adsorbents for C2H2/CO2 separation, and the discovery of new frameworks is vital to unlocking their full potential. Herein, we synthesize a magnesium (Mg)-based MOF, namely UPC-116, with 2,1,3-benzothiadiazole-4,7-dicarboxylic acid (H2BTDC) as ligand. The diversified coordination modes of H2BTDC and Mg2+ afford UPC-116 with one-dimensional square channels of 9 Å. Static adsorption tests and theoretical calculations collaboratively evidence the promising prospect of UPC-116 for efficient C2H2/CO2 separation.
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