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Infinite Metal–Carboxylate Nanotube Constructed Metal–Organic Frameworks and Gas Sorption Properties
Author(s) -
Lv Xiaoxia,
Tang Sifu,
Li Liangjun,
Cai Jinjun,
Wang Chao,
Xu Xianrui,
Zhao Xuebo
Publication year - 2013
Publication title -
european journal of inorganic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.667
H-Index - 136
eISSN - 1099-0682
pISSN - 1434-1948
DOI - 10.1002/ejic.201300714
Subject(s) - chemistry , isostructural , microporous material , sorption , metal organic framework , carboxylate , nanotube , metal , inorganic chemistry , ligand (biochemistry) , hydrothermal synthesis , hydrothermal circulation , crystallography , chemical engineering , stereochemistry , adsorption , organic chemistry , carbon nanotube , crystal structure , biochemistry , receptor , engineering
Two isomorphic microporous metal–organic frameworks (MOFs), [Co 2 L(H 2 O) 2 ] · 4.5H 2 O ( 1 ) and [Ni 2 L(H 2 O) 2 ] · 3.5H 2 O ( 2 ), were synthesized by the reaction of an aminopolycarboxylate ligand (H 4 L) with Co and Ni hydroxides under hydrothermal conditions. The exquisite assembly of the carboxylate, imino groups, and metal ions resulted in a 1D special nanotube that could be used as a blueprint for the construction of MOFs. By joining the nanotubes with the V‐shaped –CH 2 (C 6 H)(CH 3 ) 3 CH 2 – spacer, a 3D framework with 1D triangular channels was formed. The two isostructural frameworks exhibited stability up to 350 °C. Gas sorption studies for N 2 , H 2 , CO 2 , and CH 4 confirmed their permanent porosity.
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