A comprehensive review on tailoring factors of porous bismuth oxyhalide photocatalysts for wastewater treatment application

IF 5.5 3区工程技术 Q1 ENGINEERING, CHEMICAL Journal of the Taiwan Institute of Chemical Engineers Pub Date : 2025-01-01 DOI:10.1016/j.jtice.2023.105234

Prasenjit Kar , Govindasamy Sathiyan , K.E. Vivekanandan , Geetha Venkatesan , Govindasamy Siva , Ramesh Subramani , Sabariswaran Kandasamy

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Abstract

Background

Photocatalysis is a green, environmentally friendly approach for converting organic contaminants into harmless byproducts. Especially, Bismuth oxyhalides (BiOX, where X = Cl, Br and I) have emerged as promising photocatalysts for wastewater treatment due to their layered-by-layered structure, strong chemical stability and nontoxicity in compare to other metal oxides, which makes the photocatalyst advantageous for photocatalytic application.

Methods

This review provides an overview of recent developments in the synthesis and application of BiOX-based porous photocatalysts for the removal of organic contaminants from wastewater. Firstly, morphology-controlled synthesis of BiOX in degradation of organic contaminants. Then, modulation of electronic structure through doping, facet engineering and surface engineering has been highlighted for better photocatalytic applications. Furthermore, fabrication of diverse heterojunctions and co-catalyst loading upon BiOX are introduced, which can vary photocatalytic activity towards the degradation of organic contaminants.

Significant findings

Finally, this review ended on the future trend and prospects of BiOX for the creation of potential high-performance photocatalysts in the near future. The porous structure of BiOX improved photocatalytic activity, pollutant degradation efficiency, visible light response charge carrier separation, and stability. Overall, bismuth oxyhalide photocatalysts have a lot of potential for effective and long-term wastewater treatment, and their development represents an important step towards addressing the global water pollution crisis.

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多孔氧化卤化铋光催化剂在废水处理中的应用

光催化是一种绿色环保的将有机污染物转化为无害副产品的方法。特别是氧化卤化铋(bioxx，其中X = Cl, Br和I)由于其层状结构，与其他金属氧化物相比具有较强的化学稳定性和无毒性，使得光催化剂在光催化应用中具有优势，成为废水处理中很有前途的光催化剂。方法综述了生物氧基多孔光催化剂的合成及其在去除废水中有机污染物方面的应用进展。首先，形态控制合成生物降解有机污染物。然后，通过掺杂、facet工程和表面工程来调制电子结构以获得更好的光催化应用。此外，还介绍了不同异质结的制备和负载在BiOX上的共催化剂，它们可以改变对有机污染物降解的光催化活性。最后，综述了生物氧化物在未来的发展趋势，展望了生物氧化物在高性能光催化剂领域的应用前景。BiOX的多孔结构提高了光催化活性、污染物降解效率、可见光响应、载流子分离和稳定性。综上所述，氧化卤化铋光催化剂具有长期有效处理废水的潜力，其发展是解决全球水污染危机的重要一步。

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来源期刊

Journal of the Taiwan Institute of Chemical Engineers 工程技术-工程：化工

CiteScore

9.10

自引率

14.00%

发文量

362

审稿时长

35 days

期刊介绍： Journal of the Taiwan Institute of Chemical Engineers (formerly known as Journal of the Chinese Institute of Chemical Engineers) publishes original works, from fundamental principles to practical applications, in the broad field of chemical engineering with special focus on three aspects: Chemical and Biomolecular Science and Technology, Energy and Environmental Science and Technology, and Materials Science and Technology. Authors should choose for their manuscript an appropriate aspect section and a few related classifications when submitting to the journal online.