Boosting the Performance of Iridium Single Atom Catalyst in a Porous Organic Polymer for Glycerol Conversion to Lactic Acid

Kuo-Wei Huang; Yadagiri Rachuri; Sandeep Suryabhan Gholap; Amol M Hengne; Mohammad Misbahur Rahman; Indranil Dutta; Mohamed Ben Hassine; Shibo Xi

doi:10.1002/anie.202419607

Boosting the Performance of Iridium Single Atom Catalyst in a Porous Organic Polymer for Glycerol Conversion to Lactic Acid

Angew Chem Int Ed Engl. 2024 Dec 16:e202419607. doi: 10.1002/anie.202419607. Online ahead of print.

Authors

Kuo-Wei Huang¹, Yadagiri Rachuri², Sandeep Suryabhan Gholap³, Amol M Hengne⁴, Mohammad Misbahur Rahman⁵, Indranil Dutta⁵, Mohamed Ben Hassine⁶, Shibo Xi⁴

Affiliations

¹ King Abdullah University of Science and Technology, Division of Physical Sciences and Engineerin, 23955-6900, Thuwal, SAUDI ARABIA.
² King Abdullah University of Science and Technology, KCC, 4700 Kaust, 23955-6900, Thuwal, SAUDI ARABIA.
³ King Abdullah University of Science and Technology, KAUST Catalysis Center, SAUDI ARABIA.
⁴ Institute of Sustainability for Chemicals Energy and Environment, ET, SINGAPORE.
⁵ King Abdullah University of Science and Technology, KCC, SAUDI ARABIA.
⁶ King Abdullah University of Science and Technology, CoreLab, SAUDI ARABIA.

PMID: 39686645
DOI: 10.1002/anie.202419607

Abstract

Single-atom catalysts (SACs) inherit the merit of both homogeneous and heterogeneous systems with atomically dispersed mononuclear metal centers on the solid supports. Herein, we developed an Ir-SAC catalyst via the polymerization of an active homogeneous 2-picolinylhydrazone ligand-based iridium (Ir) metal complex. Such catalysts provide great stabilization against migration and agglomeration due to the strong covalent C-C bond linkage of active complexes and the polymer matrix. This Ir-SAC catalyst shows excellent selectivity towards glycerol to lactic acid conversion with a remarkable recyclability to offer an unprecedentedly high TON of over 104 million under optimized conditions.

Keywords: Heterogeneous catalyst; Iridium catalyst; Porous Organic Polymer; Single atom catalyst; glycerol.