A NbO type microporous metal–organic framework constructed from a naphthalene derived ligand for CH4 and C2H2 storage at room temperature†,10.1039/C4RA07219G

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A NbO type microporous metal–organic framework constructed from a naphthalene derived ligand for CH4 and C2H2 storage at room temperature†

Jianfeng Cai,Yichao Lin,Jiancan Yu,Chuande Wu,Liang Chen,Yuanjing Cui,Yu Yang,Guodong Qian

RSC Advances Pub Date : 10/07/2014 00:00:00 , DOI:10.1039/C4RA07219G

Abstract

A novel NbO type microporous metal–organic framework [Cu₂(C₂₆H₁₂O₈)(H₂O)₂]·(DMF)₂·(MeCN)₃·(H₂O)₄, (ZJU-7, ZJU = Zhejiang University; H₄L = 5,5′-(naphthalene-1,4-diyl)diisophthalic acid; DMF = N,N-dimethylformamide; MeCN = acetonitrile) has been synthesized and structurally characterized. With open metal sites, suitable pore spaces and moderately high permanent porosity, the activated ZJU-7a exhibits moderately high CH₄ storage of 160 cm³(STP) per cm³ at 35 bar and 298 K. Meanwhile, ZJU-7a also displays moderate C₂H₂ gravimetric storage of 180 cm³ g⁻¹ at 1 atm and 298 K.