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Updated: Jun 14, 2026

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甲基化物衍生CsPbBr3 量子点:水相光催化剂的强水稳定性

Bikram Gurung1, Jeong-Hyeon Park2,3,4, Minwoo Jeong2,3,4

  • 1Department of Chemistry, School of Physical Sciences, Sikkim University, Gangtok, 737102, India.

Small (Weinheim an der Bergstrasse, Germany)
|June 11, 2025
PubMed
概括

这项研究引入了一种新方法,用于在水中创建稳定的甲矿矿量子点 (QDs). 这些QD是有机反应的有效,可回收的光催化剂,克服了水性环境中不稳定性的先前限制.

关键词:
在 CsPbBr3 QDs 中.在 DFT 方面,它是最重要的.光催化作用的光催化作用表面化学 表面化学水的稳定性 水的稳定性

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The method to achieve α-brominated carboxylic acids using a mixture of phosphorus tribromide and bromine is known as the Hell–Volhard–Zelinski reaction. The reaction is catalyzed by phosphorus tribromide, which can be used directly or produced in situ from red phosphorus and bromine. The mechanism comprises PBr3 catalyzed conversion of acid to acid bromide and hydrogen bromide. The acid bromide enolizes to its enol form in the presence of HBr. The nucleophilic enol attacks the bromine molecule...
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Electrophilic Aromatic Substitution: Chlorination and Bromination of Benzene

Chlorination and bromination are important classes of electrophilic aromatic substitutions, where benzene reacts with chlorine or bromine in the presence of a Lewis acid catalyst to give halogenated substitution products. A Lewis acid such as aluminium chloride or ferric chloride catalyzes the chlorination, and ferric bromide catalyzes the bromination reactions. During the bromination of alkenes, bromine polarizes and becomes electrophilic. However, in the bromination of benzene, the bromine...
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The bonds formed in this reaction are stronger than the bonds broken, making it energetically favorable. The reaction follows a radical chain mechanism similar to radical halogenation reactions,...