Highly selective adsorption of ethylene over ethane in a MOF featuring the combination of open metal site and π-complexation

Zhang, Yiming ; Li, Baiyan ; Krishna, Rajamani ; Wu, Zili ; Ma, Dingxuan ; Shi, Zhan ; Pham, Tony ; Forrest, Katherine ; Space, Brian ; Ma, Shengqian (2015) Highly selective adsorption of ethylene over ethane in a MOF featuring the combination of open metal site and π-complexation Chemical Communications, 51 (13). pp. 2714-2717. ISSN 1359-7345

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Official URL: http://pubs.rsc.org/en/content/articlelanding/2015...

Related URL: http://dx.doi.org/10.1039/C4CC09774B

Abstract

The introduction of the combination of Open Metal Site (OMS) and π-complexation into MOF has led to very high ethylene–ethane adsorption selectivity at 318 K, as illustrated in the context of MIL-101–Cr–SO3Ag. The interactions with ethylene from both OMS and π-complexation in MIL-101–Cr–SO3Ag have been investigated by in situ IR spectroscopic studies and computational calculations, which suggest that π-complexation contributes dominantly to the high ethylene–ethane adsorption selectivity.

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