化工新型材料

化工新型材料 ›› 2025, Vol. 53 ›› Issue (6) : 57-62. DOI: 10.19817/j.cnki.issn1006-3536.2025.06.009

综述与专论

Ti₃C₂/g-C₃N₄异质结复合光催化剂研究进展

^1,2

^1,3

作者信息 +

Research progress on Ti₃C₂/g-C₃N₄ heterojunction composite photocatalyst

Li Miao¹, Li Xinru¹, Wu Wei^1,2, Zhou Yuan^1,3

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文章历史 +

Received		Published
2024-05-10		2025-06-20
Issue Date	Revised Date
2025-06-17	2024-05-10

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摘要

石墨相碳化氮(g-C₃N₄)作为最有潜力之一的光催化剂广泛应用于光催化制氢、CO₂还原、水中污染物降解以及挥发性有机化合物去除等方面,然而,如何加速电荷转移和提高光生电子-空穴对的分离效率是亟待解决的问题。利用其他二维(2D)材料对2D g-C₃N₄纳米片进行改性,通过构建2D/2D异质结来抑制电荷载流子复合,可以提高其分离效率。综述了2D碳化钛(Ti₃C₂)材料与g-C₃N₄纳米片复合构建异质结的制备方法、作用机理以及在光催化析氢、有机物降解等领域的应用。

Abstract

Graphite carbon nitride (g-C₃N₄),as one of the most promising photocatalysts,has been widely used in photocatalytic hydrogen generation,CO₂ reduction,pollutant degradation in water and volatile organic compound removal.However,how to accelerate the charge transfer and improve the separation efficiency of the photogenerated electron-hole pairs are still problems that need to be solved urgently.2D g-C₃N₄ nanosheets can be modified by the other 2D materials to inhibit charge-carrier recombination and improve its separation efficiency by constructing 2D/2D heterojunction.This paper reviewed the preparation methods,action mechanism and applications of Ti₃C₂/g-C₃N₄ heterojunction in photocatalytic hydrogen evolution and organic pollutant degradation.

关键词

Ti₃C₂ / g-C₃N₄ / 2D/2D异质结 / 改性 / 光催化

Key words

Ti₃C₂ / g-C₃N₄ / 2D/2D heterojunction / modification / photocatalysis

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Ti₃C₂/g-C₃N₄异质结复合光催化剂研究进展[J]. 化工新型材料, 2025, 53(6): 57-62 DOI:10.19817/j.cnki.issn1006-3536.2025.06.009

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