Beijing Key Laboratory for Source Control Technology of Water Pollution, Engineering Research Center for Water Pollution Source Control and Eco-Remediation, Beijing Forestry University, Beijing 100083, PR China.
Hebei Province Key Laboratory of Sustained Utilization & Development of Water Recourse, Hebei Province Collaborative Innovation Center for Sustainable Utilization of Water Resources and Optimization of Industrial Structure, Department of Water Resource and Environment, Hebei GEO University, No. 136 Huai'an Road, Shijiazhuang 050031, Hebei, PR China.
J Hazard Mater. 2021 Jun 15;412:125186. doi: 10.1016/j.jhazmat.2021.125186. Epub 2021 Jan 21.
Pharmaceutical active compounds (PhACs), as a kind of widely used pharmaceutical drugs, has attracted much attention. The bismuth oxyhalides (BiOX)-based photocatalysis can remove PhACs efficiently due to its unique layered structure, optical and electronic properties. Nevertheless, the rapid recombination of photogenerated electron-hole pairs, and the inherent instability of structure have limited its practical application. In order to solve these problems, recent modification studies tend to focus on facet control, elemental doping, bismuth-rich strategies, defect engineering and heterojunction. Therefore, the objective of this review is to summarize the recent developments in multiply modified strategies for PhACs degradation. The synthesis methods, photocatalytic properties and the enhancement mechanism are elaborated. Besides, based on theoretical calculation, the reactive sites of typical PhACs attacked by different reactive oxygen species were also proposed. Subsequently, challenges and opportunities in applications are also featured which include factors, viz., dissolution of halogen ions, instability under visible light, applications of real water/wastewater, intermediates and byproducts toxicity analysis of BiOX-based photocatalysis. Finally, the perspectives of BiOX-based photocatalysis for PhACs photodegradation in actual water applications are highlighted.
药物活性化合物（PhACs）作为一种广泛使用的药物，引起了人们的广泛关注。基于卤氧化铋（BiOX）的光催化由于其独特的层状结构、光学和电子特性，可以有效地去除 PhACs。然而，光生载流子的快速复合和结构的固有不稳定性限制了其实际应用。为了解决这些问题，最近的修饰研究倾向于集中在晶面控制、元素掺杂、富铋策略、缺陷工程和异质结。因此，本综述的目的是总结 PhACs 降解的多重修饰策略的最新进展。阐述了合成方法、光催化性能和增强机制。此外，基于理论计算，还提出了典型 PhACs 被不同活性氧攻击的反应位点。随后，还介绍了该技术在应用中面临的挑战和机遇，包括卤素离子的溶解、可见光下的不稳定性、实际水/废水的应用、BiOX 光催化中间产物和副产物毒性分析等因素。最后，强调了 BiOX 基光催化在实际水应用中对 PhACs 光降解的前景。
