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Fine Tuning of MOF‐505 Analogues To Reduce Low‐Pressure Methane Uptake and Enhance Methane Working Capacity
Author(s) -
Zhang Mingxing,
Zhou Wei,
Pham Tony,
Forrest Katherine A.,
Liu Wenlong,
He Yabing,
Wu Hui,
Yildirim Taner,
Chen Banglin,
Space Brian,
Pan Yi,
Zaworotko Michael J.,
Bai Junfeng
Publication year - 2017
Publication title -
angewandte chemie
Language(s) - English
Resource type - Journals
eISSN - 1521-3757
pISSN - 0044-8249
DOI - 10.1002/ange.201704974
Subject(s) - chemistry , methane , bar (unit) , crystal (programming language) , specific surface area , chemical engineering , nuclear chemistry , materials science , organic chemistry , catalysis , meteorology , physics , computer science , engineering , programming language
Abstract We present a crystal engineering strategy to fine tune the pore chemistry and CH 4 ‐storage performance of a family of isomorphic MOFs based upon PCN‐14. These MOFs exhibit similar pore size, pore surface, and surface area (around 3000 m 2 g −1 ) and were prepared with the goal to enhance CH 4 working capacity. [Cu 2 (L2)(H 2 O) 2 ] n (NJU‐Bai 41: NJU‐Bai for Nanjing University Bai's group), [Cu 2 (L3)(H 2 O) 2 ] n (NJU‐Bai 42), and [Cu 2 (L4)(DMF) 2 ] n (NJU‐Bai 43) were prepared and we observed that the CH 4 volumetric working capacity and volumetric uptake values are influenced by subtle changes in structure and chemistry. In particular, the CH 4 working capacity of NJU‐Bai 43 reaches 198 cm 3 (STP: 273.15 K, 1 atm) cm −3 at 298 K and 65 bar, which is amongst the highest reported for MOFs under these conditions and is much higher than the corresponding value for PCN‐14 (157 cm 3 (STP) cm −3 ).