What question did this study set out to answer?

The aim is to investigate the nanoscale interactions between sulfur species and platinum nanocrystals and understand the regeneration process.

January 20, 2026Faraday Discussions0 citationsOpen Access

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IR Nanospectroscopy Mapping of Facet-Dependent Sulfur Poisoning and Thermal Regeneration on Platinum Nanocrystals

LRLihi RikanatiHebrew University of Jerusalem YHYehonatan HovavHebrew University of Jerusalem EGElad Gross

Key Points

The aim is to investigate the nanoscale interactions between sulfur species and platinum nanocrystals and understand the regeneration process.
Utilized infrared nanospectroscopy for imaging
Examined facet-dependent properties of platinum
Analyzed sulfate adsorption and thermal desorption behaviors
Identified specific nanoscale structures influenced by sulfur
Demonstrated successful thermal regeneration of poisoned catalysts
Provided insights on enhancing the durability of Pt catalysts

Abstract

Sulfur poisoning critically limits the activity and durability of Pt catalysts, yet the nanoscale structure-reactivity relationships that govern sulfate adsorption and its thermal desorption remain poorly resolved. Using infrared nanospectroscopy,...

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Cite This Study

Rikanati et al. (Thu,) studied this question.

synapsesocial.com/papers/696f1a9f9e64f732b51eed97 https://doi.org/https://doi.org/10.1039/d5fd00139k

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