Pt–TiO2 catalysts for glycerol photoreforming: comparison of anatase, brookite and rutile polymorphs

Claudio Maria Pecoraro; Lorenzo Mino; Elizaveta Kozyr; Leonardo Palmisano; Francesco di Franco; Vittorio Loddo; Monica Santamaria; Marianna Bellardita

doi:10.1039/D4CC00353E

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Pt–TiO₂ catalysts for glycerol photoreforming: comparison of anatase, brookite and rutile polymorphs†

Claudio Maria Pecoraro,^a Lorenzo Mino,

*^b Elizaveta Kozyr,

^b Leonardo Palmisano,

^a Francesco di Franco,^a Vittorio Loddo,^a Monica Santamaria

^a and Marianna Bellardita

*^a

Author affiliations

* Corresponding authors

^a Engineering Department, University of Palermo, Viale delle Scienze Ed. 6, Palermo, Italy
E-mail: marianna.bellardita@unipa.it

^b Department of Chemistry and Interdepartmental Centre NIS, University of Torino, Via Giuria 7, Torino 10125, Italy
E-mail: lorenzo.mino@unito.it

Abstract

We compared the H₂ production from glycerol photoreforming for different TiO₂ polymorphs, highlighting an increase of activity in the order Pt-rutile < Pt-P25 ≈ Pt-anatase < Pt-brookite with a different distribution of the reaction intermediates. We show that the highest ability to adsorb water and the different distribution of Pt active sites in brookite can positively influence its photoactivity.

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Article information

DOI: https://doi.org/10.1039/D4CC00353E
Article type: Communication
Submitted: 24 Jan 2024
Accepted: 27 Feb 2024
First published: 04 Mar 2024

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Chem. Commun., 2024,60, 3782-3785

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Pt–TiO₂ catalysts for glycerol photoreforming: comparison of anatase, brookite and rutile polymorphs

C. M. Pecoraro, L. Mino, E. Kozyr, L. Palmisano, F. di Franco, V. Loddo, M. Santamaria and M. Bellardita, Chem. Commun., 2024, 60, 3782 DOI: 10.1039/D4CC00353E

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