Adsorption of a Catalytically Accessible Polyoxometalate in a Mesoporous Channel-type Metal-Organic Framework

Cassandra T. Buru; Peng Li; B. Layla Mehdi; Alice Dohnalkova; Ana E. Platero-Prats; Nigel D. Browning; Karena W. Chapman; Joseph T Hupp; Omar k Farha

doi:10.1021/acs.chemmater.7b00750

Adsorption of a Catalytically Accessible Polyoxometalate in a Mesoporous Channel-type Metal-Organic Framework

Cassandra T. Buru, Peng Li, B. Layla Mehdi, Alice Dohnalkova, Ana E. Platero-Prats, Nigel D. Browning, Karena W. Chapman, Joseph T Hupp, Omar k Farha^*

^*Corresponding author for this work

Chemistry

Research output: Contribution to journal › Article › peer-review

145 Scopus citations

Abstract

A Keggin-type polyoxometalate (H₃PW₁₂O₄₀) was incorporated into a mesoporous Zr-based MOF (NU-1000) via an impregnation method in aqueous media, resulting in the hybrid material, PW₁₂@NU-1000. The POM@MOF composite was characterized by a suite of physical methods, indicating the retention of crystallinity and high porosity of the parent MOF. The hybrid material was also stable to leaching in aqueous media at varying pH. Finally, the material was tested as a heterogeneous catalyst for the oxidation of 2-chloroethyl ethyl sulfide using hydrogen peroxide as the oxidant. PW₁₂@NU-1000 was shown to have a higher catalytic activity than either of the individual constituents alone.

Original language	English (US)
Pages (from-to)	5174-5181
Number of pages	8
Journal	Chemistry of Materials
Volume	29
Issue number	12
DOIs	https://doi.org/10.1021/acs.chemmater.7b00750
State	Published - Jun 27 2017

Funding

Work done at Argonne was performed using the Advanced Photon Source, a U.S. Department of Energy (DOE) Office of Science User Facility operated for the DOE Office of Science by Argonne National Laboratory under Contract No. DE-AC02-06CH11357.

ASJC Scopus subject areas

General Chemistry
General Chemical Engineering
Materials Chemistry

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title = "Adsorption of a Catalytically Accessible Polyoxometalate in a Mesoporous Channel-type Metal-Organic Framework",

abstract = "A Keggin-type polyoxometalate (H3PW12O40) was incorporated into a mesoporous Zr-based MOF (NU-1000) via an impregnation method in aqueous media, resulting in the hybrid material, PW12@NU-1000. The POM@MOF composite was characterized by a suite of physical methods, indicating the retention of crystallinity and high porosity of the parent MOF. The hybrid material was also stable to leaching in aqueous media at varying pH. Finally, the material was tested as a heterogeneous catalyst for the oxidation of 2-chloroethyl ethyl sulfide using hydrogen peroxide as the oxidant. PW12@NU-1000 was shown to have a higher catalytic activity than either of the individual constituents alone.",

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AU - Buru, Cassandra T.

AU - Li, Peng

AU - Mehdi, B. Layla

AU - Dohnalkova, Alice

AU - Platero-Prats, Ana E.

AU - Browning, Nigel D.

AU - Chapman, Karena W.

AU - Hupp, Joseph T

AU - Farha, Omar k

PY - 2017/6/27

Y1 - 2017/6/27

N2 - A Keggin-type polyoxometalate (H3PW12O40) was incorporated into a mesoporous Zr-based MOF (NU-1000) via an impregnation method in aqueous media, resulting in the hybrid material, PW12@NU-1000. The POM@MOF composite was characterized by a suite of physical methods, indicating the retention of crystallinity and high porosity of the parent MOF. The hybrid material was also stable to leaching in aqueous media at varying pH. Finally, the material was tested as a heterogeneous catalyst for the oxidation of 2-chloroethyl ethyl sulfide using hydrogen peroxide as the oxidant. PW12@NU-1000 was shown to have a higher catalytic activity than either of the individual constituents alone.

AB - A Keggin-type polyoxometalate (H3PW12O40) was incorporated into a mesoporous Zr-based MOF (NU-1000) via an impregnation method in aqueous media, resulting in the hybrid material, PW12@NU-1000. The POM@MOF composite was characterized by a suite of physical methods, indicating the retention of crystallinity and high porosity of the parent MOF. The hybrid material was also stable to leaching in aqueous media at varying pH. Finally, the material was tested as a heterogeneous catalyst for the oxidation of 2-chloroethyl ethyl sulfide using hydrogen peroxide as the oxidant. PW12@NU-1000 was shown to have a higher catalytic activity than either of the individual constituents alone.

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Adsorption of a Catalytically Accessible Polyoxometalate in a Mesoporous Channel-type Metal-Organic Framework

Abstract

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