Issue 42, 2021

SO2 capture enhancement in NU-1000 by the incorporation of a ruthenium gallate organometallic complex

Abstract

The new material [RuGa]@NU-1000 incorporates Ru and Ga in 1.2 and 1.8 wt% respectively (molar ratio 1 : 2). It stems from the grafting of the heterobimetallic ruthenium gallate complex, [MeRu(η6-C6H6)(PPh3)2][GaMe2Cl2] into the MOF material NU-1000. [RuGa]@NU-1000 shows enhanced adsorption of SO2, specially at low pressures (10−3 bar) even when compared with other materials employing more expensive precious metals. Additionally, [RuGa]@NU-1000 samples need not be exposed to such harsh conditions for reactivation as they retain their adsorption properties after several cycles and preserve their porosity and structure. Thus, [RuGa]@NU-1000 is an excellent, selective material suitable for detection and precise quantification of SO2, with a lower cost compared to other MOFs incorporating precious metals.

Graphical abstract: SO2 capture enhancement in NU-1000 by the incorporation of a ruthenium gallate organometallic complex

Supplementary files

Article information

Article type
Paper
Submitted
12 août 2021
Accepted
08 oct. 2021
First published
08 oct. 2021

CrystEngComm, 2021,23, 7479-7484

Author version available

SO2 capture enhancement in NU-1000 by the incorporation of a ruthenium gallate organometallic complex

J. García Ponce, M. L. Díaz-Ramírez, S. Gorla, C. Navarathna, G. Sanchez-Lecuona, B. Donnadieu, I. A. Ibarra and V. Montiel-Palma, CrystEngComm, 2021, 23, 7479 DOI: 10.1039/D1CE01076J

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