Bisphenol A (BPA) and its structural analogues such as bisphenol S (BPS) and F (BPF) are widespread industrial chemicals of great concern in water and other even biological matrices due to their accumulation and toxicological effects including interference with hormones of the human body. In this work, composites based on CeO₂ nanoparticles grown in situ on graphene oxide (GO) sheets were prepared by a low-temperature water-based method and used for the removal of bisphenols from water. It has been demonstrated that ceria-based nanomaterials can spontaneously decompose BPS containing a sulfonyl functional group by hydrolytic cleavage upon its adsorption, while BPA and BPF can be efficiently decomposed by simulated solar light using CeO₂/GO composites as photocatalysts, as shown by the following degradation kinetics and mechanism by HPLC-DAD and HPLC-HRMS. In addition, the study of photophysical and other properties showed that in order to achieve significant interfacial interactions, it is advantageous to use methods of in situ growth of nanoparticles on suitable counterparts, such as graphene oxide.

中文翻译：

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在氧化石墨烯上生长的氧化铈的界面行为及其在双酚 A、S 和 F 的水解和光催化分解中的应用


双酚 A （BPA） 及其结构类似物，如双酚 S （BPS） 和 F （BPF），是广泛使用的工业化学品，由于其积累和毒理学作用，包括对人体激素的干扰，在水和其他生物基质中受到极大的关注。在这项工作中，通过低温水基方法制备了基于原位生长在氧化石墨烯 （GO） 片上的 CeO₂ 纳米颗粒的复合材料，并用于从水中去除双酚。已经证明，基于铈基的纳米材料可以在吸附后通过水解裂解自发分解含有磺酰官能团的 BPS，而 BPA 和 BPF 可以通过使用 CeO₂/GO 复合材料作为光催化剂通过模拟太阳光高效分解，如 HPLC-DAD 和 HPLC-HRMS 的降解动力学和机理所示。此外，对光物理和其他性质的研究表明，为了实现显著的界面相互作用，在合适的对应物（如氧化石墨烯）上使用纳米粒子原位生长的方法是有利的。