Mixed-linker approach in designing porous zirconium-based metal–organic frameworks with high hydrogen storage capacity

Ayesha Naeem; Valeska P. Ting; Ulrich Hintermair; Mi Tian; Richard Telford; Saaiba Halim; Harriott Nowell; Małgorzata Hołyńska; Simon J. Teat; Ian J. Scowen; Sanjit Nayak

doi:10.1039/C6CC03787A

Mixed-linker approach in designing porous zirconium-based metal–organic frameworks with high hydrogen storage capacity†

Ayesha Naeem,^a Valeska P. Ting,^b Ulrich Hintermair,^c Mi Tian,^b Richard Telford,^a Saaiba Halim,^a Harriott Nowell,^d Małgorzata Hołyńska,^e Simon J. Teat,^f Ian J. Scowen^g and Sanjit Nayak

*^a

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^a School of Chemistry and Forensic Sciences, University of Bradford, Richmond Road, Bradford, West Yorkshire, UK
E-mail: s.nayak@bradford.ac.uk

^b Department of Chemical Engineering, University of Bath, Claverton Down, Bath, UK

^c Centre for Sustainable Chemical Technologies, University of Bath, Caverton Down, Bath, UK

^d Diamond Light Source, Didcot, Oxon, UK

^e Fachbereich Chemie and Wissenschaftliches Zentrum für Materialwissenschaften, Philipps Universität Marburg, Hans-Meerwein-Straße, 35043 Marburg, Germany

^f Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA

^g School of Chemistry, University of Lincoln, Brayford Pool, Lincoln, Lincolnshire, UK

Abstract

Three highly porous Zr(IV)-based metal–organic frameworks, UBMOF-8, UBMOF-9, and UBMOF-31, were synthesized by using 2,2′-diamino-4,4′-stilbenedicarboxylic acid, 4,4′-stilbenedicarboxylic acid, and combination of both linkers, respectively. The mixed-linker UBMOF-31 showed excellent hydrogen uptake of 4.9 wt% and high selectivity for adsorption of CO₂ over N₂ with high thermal stability and moderate water stability with permanent porosity and surface area of 2552 m² g⁻¹.

Chemical Communications

Mixed-linker approach in designing porous zirconium-based metal–organic frameworks with high hydrogen storage capacity†

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Mixed-linker approach in designing porous zirconium-based metal–organic frameworks with high hydrogen storage capacity

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