3 years ago

[ASAP] Optimal Binding of Acetylene to a Nitro-Decorated Metal–Organic Framework

[ASAP] Optimal Binding of Acetylene to a Nitro-Decorated Metal–Organic Framework
Thien D. Duong, Sergey A. Sapchenko, Ivan da Silva, Harry G. W. Godfrey, Yongqiang Cheng, Luke L. Daemen, Pascal Manuel, Anibal J. Ramirez-Cuesta, Sihai Yang, Martin Schröder
We report the first example of crystallographic observation of acetylene binding to −NO2 groups in a metal–organic framework (MOF). Functionalization of MFM-102 with −NO2 groups on phenyl groups leads to a 15% reduction in BET surface area in MFM-102-NO2. However, this is coupled to a 28% increase in acetylene adsorption to 192 cm3 g–1 at 298 K and 1 bar, comparable to other leading porous materials. Neutron diffraction and inelastic scattering experiments reveal the role of −NO2 groups, in cooperation with open metal sites, in the binding of acetylene in MFM-102-NO2.

Publisher URL: http://dx.doi.org/10.1021/jacs.8b08504

DOI: 10.1021/jacs.8b08504

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