Pd Anchored on a Phytic Acid/Thiourea Polymer as a Highly Active and Stable Catalyst for the Reduction of Nitroarene
Source abstract
Abstract
A kind of N, P, C, O-containing polymer was easily prepared via microwave heating of phytic acid and thiourea just for 90 s. After impregnation and reduction of H2PdCl4, highly dispersed Pd single atoms/sub-nano clusters loaded on the phytic acid/thiourea polymer (Pd–CNSP) were successfully obtained. Owing to the synergetic effect of the polymer support and Pd, the catalyst Pd–CNSP achieves a great atomic efficiency of Pd species and exhibits an outstanding catalytic ability in the reduction of 4-nitrophenol. The k value of the catalyst Pd–CNSP (2.17 min–1 mg–1) is about 19 times higher than that of the commercial Pd/C (5 wt %) catalyst. The turnover frequency value is as high as 848 min–1, which is the highest value reported so far. Pd–CNSP also has good selectivity for the reduction of halogen-substituted (Cl and Br) nitroaromatics. It is expected to be mass-produced and used in other industrial hydrogenation reactions.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Nanomaterials for catalytic reactions · Ammonia Synthesis and Nitrogen Reduction · Advanced Photocatalysis Techniques
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Green Catalysis Center, the College of Chemistry, Zhengzhou University, Zhengzhou, Henan 450001, PR China
Institute of Atmospheric Environment, the College of Ecology and Environment, Zhengzhou University, Zhengzhou, Henan 450001, PR China
Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, Liaoning 116023, PR China
Department of Chemistry, Laboratory of Advanced Materials, Shanghai Key Lab of Molecular Catalysis and Innovative Materials, Fudan University, Shanghai 200433, PR China
Funding
Henan Province · Key scientific research projects of higher education institutions in Henan Province
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