In this study, we constructed an innovative photo-electrocatalysis-assisted peroxymonosulfate (PEC/PMS) system to degrade pharmaceuticals and personal care products (PPCPs). A hollow-structured photoanode (i.e., Pt@CeO₂@MoS₂) was specifically synthesized as a photoanode to activate PMS in the PEC system. As proof of concept, the Pt@CeO₂@MoS₂ photoanode exhibited superior degradation performance toward carbamazepine (CBZ) with PMS assistance. Specifically, the kinetic constant of PEC/PMS (k = 0.13202 min⁻¹) could be enhanced about 87.4 times compared to that of the PEC system (0.00151 min⁻¹) alone. The PMS activation mechanism revealed that the synergistic effect between the hollow material and the change of surface valence states (Ce³⁺ to Ce⁴⁺) and (Mo⁴⁺ to Mo⁶⁺) contribute to enhancing the degradation efficiency of the visible-light-driven PEC/PMS process. The scavenger testing and EPR showed that ¹O₂, O₂^•−, SO₄^•− and •OH play dominant roles in the SR-AOPs. Furthermore, the applicability of Pt@CeO₂@MoS₂ used in SR-AOPs was systematically investigated regarding of the reaction parameters and identification of intermediates and dominant radicals as well as the mineralization rate and stability. The outcomes of this study can provide a new platform for environmental remediation.

在这项研究中，我们构建了创新的光催化辅助过氧单硫酸盐（PEC / PMS）系统来降解药品和个人护理产品（PPCP）。空心结构的光阳极（即Pt @ CeO ₂ @MoS ₂）被专门合成为光阳极，以激活PEC系统中的PMS。作为概念证明，在PMS的辅助下，Pt @ CeO ₂ @MoS ₂光电阳极对卡马西平（CBZ）表现出优异的降解性能。具体地，PEC / PMS的动力学常数（ķ = 0.13202分钟^-1）可以被增强约相比于PEC系统的87.4倍（0.00151分钟^-1） 独自的。PMS激活机制表明，中空材料与表面价态变化（Ce ³⁺到Ce ⁴⁺）和（Mo ⁴⁺到Mo ⁶⁺）之间的协同作用有助于提高可见光的降解效率。驱动的PEC / PMS流程。清除剂测试和EPR表明，¹ O ₂，O ₂ ^•-，SO ₄ ^•-和•OH在SR-AOP中起主导作用。此外，Pt @ CeO ₂ @MoS ₂的适用性系统地研究了SR-AOPs中所用的反应参数，中间体和主要自由基的鉴定以及矿化速率和稳定性。这项研究的结果可以为环境修复提供一个新的平台。