What question did this study set out to answer?

To investigate the role of d-d orbital hybridization in metal-doped MnO2 for inhibiting N2O formation during NH3-SCR.

April 1, 2026Physical Chemistry Chemical Physics1 citations

Elucidating d-d orbital hybridization in metal-doped MnO2 for N2O formation inhibition mechanism in NH3-SCR

KXKai XieTianjin University YWYing WANGShandong University FLFenghui LiTianjin University

Key Points

To investigate the role of d-d orbital hybridization in metal-doped MnO2 for inhibiting N2O formation during NH3-SCR.
Analyzed catalytic performance of manganese-based oxides in NH3-SCR
Examined effects of metal doping on hybridization and catalytic activity
Conducted experiments below 200 °C to assess low-temperature catalysis
Metal-doped MnO2 showed enhanced catalytic performance
Dehydrogenation was notably inhibited, affecting N2O production
Findings suggest a significant relationship between orbital hybridization and catalytic efficiency

Abstract

Manganese-based oxides, demonstrating exceptional catalytic performance in NH3-Selective Catalytic Reduction of NO below 200 °C, are considered a promising solution in the field of low-temperature catalysis. However, their excessive dehydrogenation...

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