NDLI: Porous metal–organic frameworks with Lewis basic nitrogen sites for high-capacity methane storage

Content Provider	Royal Society of Chemistry (RSC)
Author	Chen, Banglin Li, Bin Wang, Hailong Wen, Hui-Min Wu, Hui Yildirim, Taner Zhou, Wei
Copyright Year	2015
Abstract	The use of porous materials to store/deliver natural gas (mostly methane) in vehicles requires large amounts of methane being stored per unit volume. In this work, we report several porous metal–organic frameworks (MOFs) with NOTT-101 type structures, containing Lewis basic nitrogen sites through the incorporation of pyridine, pyridazine, and pyrimidine groups into the organic linkers. They exhibit significantly higher total volumetric methane storage capacities (∼249–257 cm3 (STP) cm−3 at room temperature (RT) and 65 bar) than NOTT-101a (here the MOF abbreviation with “a” at the end represents the fully activated MOF). The most significant enhancement was observed on UTSA-76a with functional pyrimidine groups (237 cm3 (STP) cm−3 in NOTT-101a vs. 257 cm3 (STP) cm−3 in UTSA-76a). Several multivariate (MTV) MOFs constructed from two types of organic linkers (pyrimidine-functionalized and unfunctionalized) also show systematically improved methane storage capacities with increasing percentage of functionalized organic linkers. The immobilized functional groups have nearly no effect on the methane uptakes at 5 bar but significantly improve the methane storage capacities at 65 bar, so the reported MOFs exhibit excellent methane storage working capacities of ∼188–197 cm3 (STP) cm−3.
Starting Page	2504
Ending Page	2511
Page Count	8
File Format	HTM / HTML PDF
ISSN	17545692
Volume Number	8
Issue Number	8
Journal	Energy & Environmental Science
DOI	10.1039/c5ee01531f
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	MOF MTV Lewis Natural gas Methane Nitrogen Pyridine Pyridazine Pyrimidine AEC Regent III RT University of Texas at San Antonio
Content Type	Text
Resource Type	Article
Subject	Environmental Chemistry Pollution Renewable Energy, Sustainability and the Environment Nuclear Energy and Engineering

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