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Abstract We reported metallic ruthenium (Ru) nanoparticles loaded on amino modified dendritic mesoporous silica microspheres (Ru/NH 2 ‐DMSMs) for ammonia decomposition to hydrogen. The sizes of the loaded Ru nanoparticles on carrier are 2–3 nm, providing rich active sites for ammonia decomposition reaction. As a result, the obtained Ru/NH 2 ‐DMSMs‐5.1 can afford almost ~100 % ammonia decomposition at 550 °C, due to the unique mesoporous structure of DMSMs inhibiting the aggregation of active Ru nanoparticles and enhancing the mass transport of ammonia.
Tang et al. (2024) studied this question.