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Updated: Jun 1, 2025

Preparation of Polyoxometalate-based Photo-responsive Membranes for the Photo-activation of Manganese Oxide Catalysts
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非金属单原子催化剂具有优化的电子结构,用于高效的芬顿式反应

Junjun Pei1,2, Jianbin Liu3, Kaixing Fu2

  • 1College of Environmental Science and Engineering, Hunan University, Changsha, P.R. China.

Nature communications
|January 17, 2025
PubMed
概括

一种新的非金属单原子催化剂 (I-NC) 有效地激活过氧硫酸盐 (PMS) 进行污染物降解. 这种催化剂在用于水处理的芬顿式反应中表现出卓越的性能.

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Bromination and chlorination of aromatic rings by electrophilic aromatic substitution reactions are easily achieved, but fluorination and iodination are difficult to achieve. Fluorine is so reactive that its reaction with benzene is difficult to control, resulting in poor yields of monofluoroaromatic products. To address this, Selectfluor reagent is used as a fluorine source in which a fluorine atom is bonded to a positively charged nitrogen.
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The hemoglobin in the blood, the chlorophyll in green plants, vitamin B-12, and the catalyst used in the manufacture of polyethylene all contain coordination compounds. Ions of the metals, especially the transition metals, are likely to form complexes.
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Besides iodine, other oxidizing or reducing agents can serve as titrants in redox titrations. Common oxidizing titrants include KMnO4, cerium(IV), and K2Cr2O7. The choice of oxidizing titrants depends on factors like stability, cost, analyte strength, and reaction rate between the analyte and titrant. KMnO4 is a strong oxidizing titrant that reduces from Mn(VII) to Mn(II) in a highly acidic solution, simultaneously oxidizing the analyte to a higher oxidation state. In this case, KMnO4 acts as a...
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