Crystals springing into action: metal-organic framework CUK-1 as a pressure-driven molecular spring.
Crystals springing into action: metal-organic framework CUK-1 as a pressure-driven molecular spring.
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晶体趋于作用:金属有机框架CUK-1作为压力驱动的分子弹簧。
DOI:
10.1039/d1sc00205h
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发表时间:
2021-03-12
期刊:
影响因子:
8.4
通讯作者:
Yot PG
中科院分区:
文献类型:
--
作者:
Iacomi P;Lee JS;Vanduyfhuys L;Cho KH;Fertey P;Wieme J;Granier D;Maurin G;Van Speybroeck V;Chang JS;Yot PG
Mercury porosimetry and in situ high pressure single crystal X-ray diffraction revealed the wine-rack CUK-1 MOF as a unique crystalline material capable of a fully reversible mechanical pressure-triggered structural contraction. The near-absence of hysteresis upon cycling exhibited by this robust MOF, akin to an ideal molecular spring, is associated with a constant work energy storage capacity of 40 J g−1. Molecular simulations were further deployed to uncover the free-energy landscape behind this unprecedented pressure-responsive phenomenon in the area of compliant hybrid porous materials. This discovery is of utmost importance from the perspective of instant energy storage and delivery. Mercury porosimetry and in situ high pressure single crystal X-ray diffraction revealed the wine-rack CUK-1 MOF as a unique crystalline material capable of a fully reversible mechanical pressure-triggered structural contraction.
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