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Updated: Jul 23, 2026

The Effect of Interfacial Chemical Bonding in TiO2-SiO2 Composites on Their Photocatalytic NOx Abatement Performance
11:47

The Effect of Interfacial Chemical Bonding in TiO2-SiO2 Composites on Their Photocatalytic NOx Abatement Performance

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构建II型方案SnO@HfC光催化剂,通过过氧硫酸盐激活降解双A;DFT和自洁分析

Ghulam Abbas Ashraf1, Raqiqa Tur Rasool2, Sulaiman Al-Sulaimi3

  • 1College of Environment, Hohai University, Nanjing, 210098, China; New Uzbekistan University, Mustaqillik Ave. 54, Tashkent, 100007, Uzbekistan.

Chemosphere
|September 8, 2023
PubMed
概括

一种新型的氧化物@碳化物 (SnO@HfC) 纳米复合物使用过氧化硫酸盐 (PMS) 和光线有效降解BPA. 这种材料还显示出出色的自我清洁性能和可用于废水处理的可重复使用性.

关键词:
双 A 是一种双.在 DFT 方面,它是最重要的.降解途径的降解途径过氧单硫酸盐的使用光催化作用的光催化作用自行清洁的自动清洁

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Alkenes are converted to 1,2-diols or glycols through a process called dihydroxylation. It involves the addition of two hydroxyl groups across the double bond with two different stereochemical approaches, namely anti and syn. Dihydroxylation using osmium tetroxide progresses with syn stereochemistry.
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The absorption of UV–visible light by conjugated systems causes the promotion of an electron from the ground state to the excited state. Consequently, photochemical electrocyclic reactions proceed via the excited-state HOMO rather than the ground-state HOMO. Since the ground- and excited-state HOMOs have different symmetries, the stereochemical outcome of electrocyclic reactions depends on the mode of activation; i.e., thermal or photochemical.
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Radical Substitution: Hydrogenolysis of Alkyl Halides with Tributyltin Hydride

Radical substitution reactions can be used to remove functional groups from molecules. The hydrogenolysis of alkyl halides is one such reaction, where the weak Sn–H bond in tributyltin hydride reacts with alkyl halides to form alkanes. Here, the reagent Bu3SnH yields tributyltin halide as a byproduct.
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Catalysis influences the rate of chemical reactions by providing an alternative reaction pathway with lower activation energy. A catalyst speeds up a reaction, but it is not consumed during the process. The fundamental principle of catalysis is the ability of a catalyst to alter the reaction mechanism, often introducing a more efficient pathway than the uncatalyzed process.In a catalyzed reaction, the catalyst participates directly in the reaction mechanism. It interacts with reactants to form...