Reveals site preferences and rate-determining steps of ammonia decomposition on Rh(111) and Rh(211), providing microkinetic insights for rational catalyst design.
Huanhuan, Wang · Enning, Zhang · Zhang, Fanggang · Long, Qin · Jintao, Li · Xiaoli, Zhang · Zhang, Lidong · Sui, Ran
International Journal of Hydrogen Energy 2026
NH3 adsorption rate constant >10^12 s^-1 on Rh(111) (400–900 K)
Dehydrogenation rate constant order on Rh(111): NH2*>NH*>NH3*
Dehydrogenation rate constant order on Rh(211): NH*>NH3*>NH2*