journal article·2025-11-07Open access

Direct Oxidation of Glucose to Glucaric Acid Using Bimetallic AuPt/ZrO 2 Nanocatalysts

Joanna Elzbieta Olszowka, Abdul Selim, Žan Lavrič, Janvit Teržan, Ana Kroflič, Miha Grilc, Blaž Likozar, Jaroslav Kupčík, Esther de Prado, Jan Plsek, Eliska Mikyskova, Jaroslava Moravkova, Matej Huš, Stefan Vajda

ACS Applied Nano Materials· Volume 8· Issue 44

Abstract

High Resolution Image Download MS PowerPoint Slide Transforming biobased resources, such as glucose, into value-added chemicals is a crucial step in utilizing biomass. Herein, we report on the one-pot conversion of glucose to glucaric acid, by selectively steering the oxidation of glucose from the typical production of gluconic acid toward the production of glucaric acid, using monometallic Au and Pt and bimetallic AuPt nanocatalysts supported on zirconia. While the monometallic catalysts promote the production of gluconic acid, bimetallic catalysts favor the direct formation of glucaric acid from glucose, with efficacy depending on the Au/Pt ratio, reaching up to 44% selectivity with the Au 67% Pt 33% @ZrO 2 catalyst. Theoretical calculations confirm the formation of alloys, as experimentally evidenced by EDX-mapping and HR-TEM imaging.
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Research context

OpenAlex topics: Catalysis for Biomass Conversion · Oxidative Organic Chemistry Reactions · Nanomaterials for catalytic reactions

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Nanocatalysis, J. Heyrovský Institute of Physical Chemistry of the CAS, Dolejškova 2155/3, 182 23 Prague, Czech Republic

Department of Catalysis and Chemical Reaction Engineering, National Institute of Chemistry, Hajdrihova 19, 1000 Ljubljana, Slovenia

University of Nova Gorica, Vipavska 13, SI-5000 Nova Gorica, Slovenia

Department of Material Analysis, Institute of Physics of the CAS, Na Slovance 1999/2, 182 00 Prague, Czech Republic

Centre of Instrumental Techniques (CIT), Institute of Inorganic Chemistry of the Czech Academy of Sciences, Husinec-Řež 1001, 250 68 Husinec-Řež, Czech Republic

Department of Low-Dimensional Systems, J. Heyrovský Institute of Physical Chemistry of the CAS, Dolejškova 2155/3, 182 23 Prague, Czech Republic

Center for Innovations in the Field of Nanomaterials and Nanotechnologies, J. Heyrovský Institute of Physical Chemistry of the CAS, Dolejškova 2155/3, 182 23 Prague, Czech Republic

Department of Structure and Dynamics in Catalysis, J. Heyrovský Institute of Physical Chemistry of the CAS, Dolejškova 2155/3, 182 23 Prague, Czech Republic

Association for Technical Culture of Slovenia (ZOTKS), Zaloška 65, SI-1000 Ljubljana, Slovenia

Institute for the Protection of Cultural Heritage of Slovenia (ZVKDS), Poljanska 40, SI-1000 Ljubljana, Slovenia

Funding

The Slovenian Research and Innovation Agency · Ministerstvo ?kolstv?, Ml?de?e a Telov?chovy · Grantov? Agentura Cesk? Republiky

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