Strategies for improving perovskite photocatalysts reactivity for organic pollutants degradation: A review on recent progress
Strategies for improving perovskite photocatalysts reactivity for organic pollutants degradation: A review on recent progress
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提高钙钛矿光催化剂降解有机污染物反应活性的策略：最新进展综述
DOI：
10.1016/j.cej.2021.128783
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发表时间：
2021-02
影响因子：
15.1
通讯作者：
Bo Lai
中科院分区：
文献类型：
--
作者：
Kexin Wei;Yousef Faraj;Gang Yao;Ruzhen Xie;Bo Lai
过氧化氢氧化物由于其潜在的捕获太阳能和驱动催化反应而被认为是光催化水净化的高效催化剂。然而，原始钙钛矿催化剂具有固有的缺点，如低表面积，光生载流子的快速复合和低太阳光利用效率，这限制了其实际水处理应用。为了有效的光催化水净化的目的，近年来已经强调了促进钙钛矿反应性的显著努力。本文综述了近年来钙钛矿型光催化剂在废水有机污染物净化中的应用，并对钙钛矿型光催化剂的优化策略及与高级氧化工艺（AOPs）的耦合方法进行了综述。介绍了钙钛矿型光催化剂设计的一般原则，对钙钛矿型光催化剂的作用机理有了初步的认识。详细讨论了不同的钙钛矿调控策略，如杂取代，装饰以及结构调控，以提供提高钙钛矿光催化活性的策略的全面视图。此外，最近的快速发展耦合各种高级氧化物与钙钛矿通过协同效应改善水修复。最后，还讨论了实际钙钛矿光催化水净化的剩余挑战和可能的未来方向。该综述为钙钛矿型光催化剂在水净化中的有效应用提供了有益的见解。
Perovskite oxides have been recognized as highly potent catalysts for photocatalytic water decontamination due to their potential to capture solar energy and drive catalytic reaction. However, pristine perovskite catalysts have inherent drawbacks such as low surface area, rapid recombination of photogenerated charge carriers and low solar light utilization efficiency, which limited their practical water treatment application. For the purpose of effective photocatalytic water purification, significant efforts have been emphasized on promoting perovskite reactivity in recent years. This review aims to summarize recent progress of tunning strategies and coupling Advanced oxidation processes (AOPs) methods for improving perovskite photocatalyst reactivity, destined for the decontamination of organic pollutants in wastewater. The general principles of designing perovskite photocatalysts for water decontamination are introduced for basic understanding of involved mechanism. Diverse perovskite regulating strategies such as hetero-substitution, decoration, as well as structure regulation have been discussed in detail to provide a comprehensive view of strategies that improve perovskite photocatalytic activity. In addition, recent rapid development of coupling various AOPs with perovskite for improved water remediation via collaborative effects are presented. Finally, the remaining challenges and possible future directions of practical perovskite photocatalytic water purification are also discussed. This review provides useful insight for efficient application of perovskite photocatalyst in water purification.
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