Mechanical tunability via hydrogen bonding in metal-organic frameworks with the perovskite architecture

Title: Mechanical tunability via hydrogen bonding in metal-organic frameworks with the perovskite architecture
Creator: Li, Wei; Thirumurugan, A.; Barton, Phillip T.; Lin, Zheshuai; Henke, Sebastian; Yeung, Hamish H.-M.; Wharmby, Michael T.; Bithell, Erica G.; Howard, Christopher J.; Cheetham, Anthony K.
Relation: Journal of the American Chemical Society Vol. 136, Issue 22, p. 7801-7804
Publisher Link: http://dx.doi.org/10.1021/ja500618z
Publisher: American Chemical Society
Resource Type: journal article
Date: 2014
Description: Two analogous metal–organic frameworks (MOFs) with the perovskite architecture, [C(NH₂)₃][Mn(HCOO)₃] (1) and [(CH₂)₃NH₂][Mn(HCOO)₃] (2), exhibit significantly different mechanical properties. The marked difference is attributed to their distinct modes of hydrogen bonding between the A-site amine cation and the anionic framework. The stronger cross-linking hydrogen bonding in 1 gives rise to Young’s moduli and hardnesses that are up to twice those in 2, while the thermal expansion is substantially smaller. This study presents clear evidence that the mechanical properties of MOF materials can be substantially tuned via hydrogen-bonding interactions.
Subject: hydrogen bonding; mechanical tunability; metal-organic frameworks; perovskite architecture
Identifier: http://hdl.handle.net/1959.13/1305919
Identifier: uon:21134
Identifier: ISSN:0002-7863
Language: eng
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