Ionothermal synthesis and proton-conductive properties of NH2-MIL-53 MOF nanomaterials?

CrystEngComm Pub Date: 2016-01-06 DOI: 10.1039/C5CE02141C

Abstract

It is a big challenge to construct proton-conductive materials for practical applications operating at high temperatures and low humidity. Herein, we propose an ionothermal strategy for the preparation of highly stable NH2-MIL-53(Al)it nanomaterials with high proton conductivity. The crystalline structure and the direct incorporation of the 1-ethyl-3-methyl-imidazolium ionic liquid within NH2-MIL-53(Al)it are identified by XRD, TG/DTA and IR techniques. The as-prepared NH2-MIL-53(Al)it exhibits a high proton conductivity of 3.0 × 10?5 S cm?1 at 80 °C and low relative humidity of ~26%.

Graphical abstract: Ionothermal synthesis and proton-conductive properties of NH2-MIL-53 MOF nanomaterials
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