Oxygen sensing via phosphorescence quenching of doped metal–organic frameworks

Seth M. Barrett; Cheng Wang; Wenbin Lin

doi:10.1039/C2JM15549D

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Journal of Materials Chemistry

Issue 20, 2012

Journal of Materials Chemistry was published between 1991 and 2012. From issue 1, 2013, it was replaced by three new journals: Journal of Materials Chemistry A, B and C

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Paper

Oxygen sensing via phosphorescence quenching of doped metal–organic frameworks

Seth M. Barrett,^a Cheng Wang^a and Wenbin Lin*^a

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Corresponding authors

Department of Chemistry, CB#3290, University of North Carolina, Chapel Hill, USA
E-mail: wlin@email.unc.edu

J. Mater. Chem., 2012,22, 10329-10334

DOI: 10.1039/C2JM15549D
Received 30 Oct 2011, Accepted 22 Feb 2012
First published online 27 Mar 2012

This article is part of themed collection: Integrating functionality into metal–organic frameworks

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Abstract
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Three phosphorescent Ir and Ru complexes containing dicarboxylate functional groups have been doped into the framework of Zr₆O₄(OH)₄(bpdc)₆ (UiO-67, bpdc = para-biphenyldicarboxylate) to yield stable metal–organic frameworks (MOFs 1–3) which are highly porous with BET surface areas of 2568, 2292, and 1277 m² g⁻¹, respectively. The ³MLCT phosphorescence of 1–3 can be effectively quenched by O₂ to provide an efficient method for oxygen detection.