Impregnation of KOAc on PdAu/SiO 2 causes Pd-acetate formation and metal restructuring

Jacobs, Hunter P.; Elias, Welman C.; Heck, Kimberly N.; Dean, David P.; Dodson, Justin J.; Zhang, Wenqing; Arredondo, Jacob H.; Breckner, Christian J.; Hong, Kiheon; Botello, Christopher R.; Chen, Laiyuan; Mueller, Sean G.; Alexander, Steven R.; Miller, Jeffrey T.; Wong, Michael S.

doi:10.1039/d3ta00820g

Impregnation of KOAc on PdAu/SiO ₂ causes Pd-acetate formation and metal restructuring

Journal Article · 31 December 2022 · Journal of Materials Chemistry. A

DOI:https://doi.org/10.1039/d3ta00820g· OSTI ID:2423472

^[1]; Elias, Welman C. ^[1]; Heck, Kimberly N. ^[1]; Dean, David P. ^[2]; Dodson, Justin J. ^[3]; Zhang, Wenqing ^[1]; Arredondo, Jacob H. ^[1]; ^[2]; Hong, Kiheon ^[4]; Botello, Christopher R. ^[1]; Chen, Laiyuan ^[3]; Mueller, Sean G. ^[3]; Alexander, Steven R. ^[3]; Miller, Jeffrey T. ^[2]; ^[5]

Department of Chemical and Biomolecular Engineering, Rice University, Houston, TX, 6100 Main Street, Houston, Texas, 77005, USA
Davidson School of Chemical Engineering, Purdue University, 480 Stadium Mall Drive, West Lafayette, Indiana, 47907, USA
Celanese Corporation, 9502 Bayport Blvd., Pasadena, TX, 77507, USA
Department of Civil and Environmental Engineering, Rice University, USA
Department of Chemical and Biomolecular Engineering, Rice University, Houston, TX, 6100 Main Street, Houston, Texas, 77005, USA; Department of Civil and Environmental Engineering, Rice University, USA; Department of Materials Science and NanoEngineering, Rice University, USA; Department of Chemistry, Rice University, USA

During catalyst preparation, the simple wet impregnation of KOAc on bimetallic PdAu/SiO₂catalysts forms various Pd-acetate complexes, particularly at increasing concentrations of KOAc and AcOH, causing Pd leaching and metal restructuring.

Research Organization:: Argonne National Laboratory (ANL), Argonne, IL (United States). Advanced Photon Source (APS)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC02-06CH11357

OSTI ID:: 2423472

Journal Information:: Journal of Materials Chemistry. A, Journal Name: Journal of Materials Chemistry. A Journal Issue: 13 Vol. 11; ISSN JMCAET; ISSN 2050-7488

Publisher:: Royal Society of Chemistry

Country of Publication:: United States

Language:: English

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Impregnation of KOAc on PdAu/SiO 2 causes Pd-acetate formation and metal restructuring

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Impregnation of KOAc on PdAu/SiO ₂ causes Pd-acetate formation and metal restructuring