Table 1. Adsorption Energies of Carbon-Centered Primary and Secondary Radicals by DFT Calculations on Tetragonal ZrO2 Surfaces.
Eads/eV |
||
---|---|---|
surface species | primary radical | secondary radical |
pristine | –0.74 | –0.65 |
SO4 | –0.69 | –0.56 |
Zr3+–VO | –2.79 | –2.72 |
SO4 & Zr3+–VO | –2.82 | –2.49 |
Zr3+–O–W5+ | –2.28 | –1.99 |