Reticular synthesis of HKUST-like tbo MOFs with enhanced CH4 storage
Trikalitis, Pantelis N.
KAUST DepartmentFunctional Materials Design, Discovery and Development (FMD3)
Advanced Membranes and Porous Materials Research Center
Physical Sciences and Engineering (PSE) Division
Permanent link to this recordhttp://hdl.handle.net/10754/592640
MetadataShow full item record
AbstractSuccessful implementation of reticular chemistry using a judiciously designed rigid octatopic carboxylate organic linker allowed the construction of expanded HKUST-1-like tbo-MOF series with intrinsic strong CH4 adsorption sites. The Cu-analogue displayed a concomitant enhancement of the gravimetric and volumetric surface area with the highest reported CH4 uptake among the tbo family, comparable to the best performing MOFs for CH4 storage. The corresponding gravimetric (BET) and volumetric surface area of 3971 m2 g-1 and 2363 m2 cm-3 represent an increase of respectively 115 % and 47 % in comparison to the corresponding values for the prototypical HKUST-1 (tbo-MOF-1), and 42 % and 20 % higher than tbo-MOF-2. High pressure methane adsorption isotherms revealed a high total gravimetric and volumetric CH4 uptakes, reaching 372 cm3 (STP) g-1 and 221 cm3 (STP) cm-3 respectively at 85 bar and 298 K. The corresponding working capacities between 5-80 bar were found to be 294 cm3 (STP) g-1 and 175 cm3 (STP) cm-3 and are placed among the best performing MOFs for CH4 storage particularly at relatively low temperature (e.g. 326 cm3 (STP) g-1 and 194 cm3 (STP) cm-3 at 258 K). To better understand the structure-property relationship and gain insight on the mechanism accounting for the resultant enhanced CH4 storage capacity, molecular simulation study was performed and revealed the presence of very strong CH4 adsorption sites at the vicinity of the organic linker with similar adsorption energetics as the open metal sites. The present findings supports the potential of tbo-MOFs based on the supermolecular building layer (SBL) approach as an ideal platform to further enhance the CH4 storage capacity via expansion and functionalization of the quadrangular pillars.
CitationReticular synthesis of HKUST-like tbo MOFs with enhanced CH4 storage 2015 Journal of the American Chemical Society
PublisherAmerican Chemical Society (ACS)
- Expanded organic building units for the construction of highly porous metal-organic frameworks.
- Authors: Kong GQ, Han ZD, He Y, Ou S, Zhou W, Yildirim T, Krishna R, Zou C, Chen B, Wu CD
- Issue date: 2013 Oct 25
- MOF Crystal Chemistry Paving the Way to Gas Storage Needs: Aluminum-Based soc-MOF for CH4, O2, and CO2 Storage.
- Authors: Alezi D, Belmabkhout Y, Suyetin M, Bhatt PM, Weseliński ŁJ, Solovyeva V, Adil K, Spanopoulos I, Trikalitis PN, Emwas AH, Eddaoudi M
- Issue date: 2015 Oct 21
- A Metal-Organic Framework with Optimized Porosity and Functional Sites for High Gravimetric and Volumetric Methane Storage Working Capacities.
- Authors: Wen HM, Li B, Li L, Lin RB, Zhou W, Qian G, Chen B
- Issue date: 2018 Apr
- Computational design of tetrazolate-based metal-organic frameworks for CH<sub>4</sub> storage.
- Authors: Wu X, Peng L, Xiang S, Cai W
- Issue date: 2018 Dec 12
- Gas adsorption properties of highly porous metal-organic frameworks containing functionalized naphthalene dicarboxylate linkers.
- Authors: Sim J, Yim H, Ko N, Choi SB, Oh Y, Park HJ, Park S, Kim J
- Issue date: 2014 Dec 28