Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 12, Issue 30, Pages 34122-34129Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsami.0c09124
Keywords
Fe single atoms; Fe2O3 clusters; synergistic effect; chemoselectivity; theoretical calculation
Funding
- National Natural Science Foundation of China [21401004, 21903001]
- Natural Science Foundation of Anhui Province [2008085MB52]
- National Creative Plan of Students [201810370443]
- Open Foundation of Anhui Laboratory of Molecule-based Materials [fzj19005]
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In the area of catalysis, selective reduction of nitro compounds to amino compounds is a colossal challenge due to the existence of competitive reducible functional groups. Herein, an Fe-based catalyst Fe-SAs/Fe2O3ACs/N-doped polyhedral carbon (NPC) has been designed and synthesized. As we expected, compared with Fe-SAs and Fe-NPs, Fe-SAs/Fe2O3ACs/NPC shows excellent catalytic performance (turnover frequency up to 1923 h(-1), calculated with nitrobenzene), chemoselectivity, and tolerance during the hydrogenation reaction of nitro compounds under room temperature because of the synergistic effects between Fe-SAs and Fe2O3ACs. The theoretical calculations show that Fe-SAs prefers to undergo hydrazine decomposition to generate hydrogen and the Fe2O3ACs surface is more active toward the nitrobenzene reduction to aniline.
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