Rational design and synthesis of an amino-functionalized hydrogen-bonded network with an ACO zeolite-like topology for gas storage

Based upon the typically hydrogen-bonded network, metal-organic cubes, the amino functional group was first introduced onto the surface of the cube to raise the polarizability of the framework by in situ hydrolysis of the precursor 2-amino-4,5-dicyanoimidazole (ADCIm) with octahedral In 3+ ions unde...

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Bibliographic Details
Published in:CrystEngComm 2016-01, Vol.18 (3), p.5616-5619
Main Authors: Guo, Xiao-Qing, Wang, Miao, Meng, Fei, Tang, Yan-Feng, Tian, Shu, Yang, Hua-Ling, Jiang, Guo-Qing, Zhu, Jin-Li
Format: Article
Language:English
Subjects:
Carbon dioxide
Cubes
Hydrogen bonding
Hydrolysis
Networks
Precursors
Surface chemistry
Synthesis
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Summary:Based upon the typically hydrogen-bonded network, metal-organic cubes, the amino functional group was first introduced onto the surface of the cube to raise the polarizability of the framework by in situ hydrolysis of the precursor 2-amino-4,5-dicyanoimidazole (ADCIm) with octahedral In 3+ ions under solvothermal conditions, resulting in a supramolecular network with very high CO 2 (135.8 cm 3 g −1 at 273 K/1 atm) and H 2 (2.03 wt% at 77 K/1 atm) adsorption capacities and an exceptional thermostability range up to 416 °C. The modification of amino groups on the surface of In 8 cubic SBUs comprising hydrogen-bonded networks with an ACO zeolite-like topology resulted in a great improvement in gas adsorption.
ISSN:1466-8033
1466-8033
DOI:10.1039/c6ce01164k