Unveiling the Synergy of Delocalized O 2 p Holes and Localized Ce 4 f States for Enhanced NH ₃ -SCR Activity on WO ₃ /La-CeO ₂ Catalyst

Ziyi Guo; Zhiqiang Wang; Xue-Qing Gong

doi:10.1039/d6cp01609j

January 1, 2026Physical Chemistry Chemical Physics

Unveiling the Synergy of Delocalized O 2 p Holes and Localized Ce 4 f States for Enhanced NH ₃ -SCR Activity on WO ₃ /La-CeO ₂ Catalyst

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Key Points

This research aims to enhance the NH3-selective catalytic reduction (SCR) activity by investigating the interactions of delocalized O2p holes and localized Ce4f states.
Examined the catalytic performance of WO3/La-CeO2 under specific redox conditions
Analyzed the mechanisms involving delocalized O2p holes and localized Ce4f states
Conducted comparative assessments against conventional catalysts
Demonstrated a significant increase in NH3-SCR activity with enhanced redox kinetics
Achieved improved NOx removal efficiency compared to conventional catalysts
Identified synergistic effects between delocalized O2p holes and localized Ce4f states, enhancing catalytic performance

Implication

Reveals enhanced NH3-SCR activity in a catalyst, suggesting improved NOx removal efficiency.

Abstract

NH 3 -selective catalytic reduction (NH 3 -SCR) is a key technology for efficient NO x removal, yet its performance remains fundamentally limited by sluggish NH 3 activation and redox kinetics over conventional catalysts. Although heterovalent...

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Cite This Study

Guo et al. (2026) studied this question.

synapsesocial.com/papers/6a323c62d50b63ecad20683e https://doi.org/10.1039/d6cp01609j

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Unveiling the Synergy of Delocalized O 2 p Holes and Localized Ce 4 f States for Enhanced NH ₃ -SCR Activity on WO ₃ /La-CeO ₂ Catalyst

Key Points

Implication

Abstract

Discussion

Cite This Study

Unveiling the Synergy of Delocalized O 2 p Holes and Localized Ce 4 f States for Enhanced NH ₃ -SCR Activity on WO ₃ /La-CeO ₂ Catalyst

Key Points

Implication

Abstract

Discussion

Cite This Study

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