电子转移诱导双酚a去除：Bi2WO6-PMS和Bi2WO6-PDS体系的比较研究

IF 6.9 2区材料科学 Q2 CHEMISTRY, PHYSICAL

Applied Surface Science Pub Date : 2025-07-25 DOI:10.1016/j.apsusc.2025.164161

Shuna Li , Long Cao , Rui Li , Yunfang Wang , Jianxin Liu , Yawen Wang , Caimei Fan

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引用次数: 0

摘要

过氧单硫酸盐（PMS）和过氧二硫酸盐（PDS）非自由基诱导聚合去除污染物的研究日益引起人们的关注。在本研究中，合成了纳米片结构的Bi2WO6，并证明了当与PMS/PDS共存时，通过电子转移诱导过程增强水溶液中双酚A的聚合去除能力，而无需任何额外的激活方法。BWO-PDS体系的去除率明显高于BWO-PMS体系，表明两种过硫酸盐体系具有明显的催化性能。因此，我们进行了全面的比较研究，重点验证了BWO与PMS/PDS之间的独占电子转移途径和界面相互作用。实验结果结合密度泛函理论计算表明，吸附稳定性、电子转移量和吸附时O-O键的活化程度是决定两种体系性能差异的关键因素。此外，还探讨了该系统在光催化降解方面的应用潜力。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Electron transfer induced removal of BPA: a comparative study of Bi2WO6-PMS and Bi2WO6-PDS system

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Electron transfer induced removal of BPA: a comparative study of Bi2WO6-PMS and Bi2WO6-PDS system

The non-radical pathway-induced polymerization removal of pollutants by peroxymonosulfate (PMS) and peroxydisulfate (PDS) has increasingly attracted research interest. In this study, nanosheet-structured Bi₂WO₆ was synthesized and demonstrated the ability in enhancing the polymerization removal of bisphenol A in aqueous solutions through an electron transfer induced process when coexisting with PMS/PDS, without requiring any additional activation methods. The BWO-PDS system showed significantly higher removal efficiency than the BWO-PMS system, indicating distinct catalytic performance between the two persulfate systems. Therefore, a comprehensive comparative investigation was conducted, focusing on the verification of exclusive electron transfer pathways and the interfacial interactions between BWO and PMS/PDS. Experimental results combined with density functional theory calculations revealed that the adsorption stability, quantity of electron transfer, and O–O bond activation degree upon adsorption are the key factors governing the performance differences between the two systems. Additionally, the potential of the system for photocatalytic degradation applications was explored.

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来源期刊

Applied Surface Science 工程技术-材料科学：膜

CiteScore

12.50

自引率

7.50%

发文量

3393

审稿时长

67 days

期刊介绍： Applied Surface Science covers topics contributing to a better understanding of surfaces, interfaces, nanostructures and their applications. The journal is concerned with scientific research on the atomic and molecular level of material properties determined with specific surface analytical techniques and/or computational methods, as well as the processing of such structures.