g⁃C_(3)N_(4)光催化剂在水泥基材料中的研究进展  

Advancements in the application of g‑C_(3)N_(4)photocatalyst in cement‑based materials

作　　者：李卉 苏晓晓 龚关 郑亚楠 LI Hui;SU Xiaoxiao;GONG Guan;ZHENG Yanan(College of Architecture and Civil Engineering,Xinyang Normal University,Xinyang 464000,China)

机构地区：[1]信阳师范大学建筑与土木工程学院,河南信阳464000

出　　处：《信阳师范大学学报(自然科学版)》2025年第2期138-145,共8页Journal of Xinyang Normal University(Natural Science Edition)

基　　金：河南省自然科学基金项目(212300410234)。

摘　　要：光催化材料是一种能将太阳光中的紫外光和可见光能高效转换成化学能,进而实现对污染物有效降解的半导体材料,以石墨相氮化碳(g‑C_(3)N_(4))为催化剂的光催化技术在解决环境污染和能源短缺等问题方面具有广阔的应用前景,将其应用于水泥基材料表面可实现污染物在水泥基材料表面的有效降解。综述了目前通过非金属、金属掺杂和共掺杂优化改性g‑C_(3)N_(4)的方法,并讨论了g‑C_(3)N_(4)及其改性产物在水泥基材料中的应用现状及光催化应用机理,总结了目前光催化材料在水泥基应用中面临的问题,并对其未来发展方向进行了展望。Photocatalytic material is a kind of semiconductor material that can efficiently convert ultraviolet light and visible light energy in sunlight into chemical energy,so as to achieve effective degradation of pollutants.Photocatalytic technology with graphitic phase carbon nitride(g‑C_(3)N_(4))as catalyst has broad application prospects in solving problems such as environmental pollution and energy shortage.The effective degradation of pollutants on the surface of cement‑based materials can be achieved by applying it to the surface of cement‑based materials.The methods of optimizing g‑C_(3)N_(4)modification by non‑metal,metal doping and co‑doping were reviewed,the application status of g‑C_(3)N_(4)and its modified products in cement‑based materials and the application mechanism of photocatalysis were discussed,and the problems facing the application of photocatalytic materials in cement‑based materials were summarized,and the future development direction was prospected.

关 键 词：光催化材料 石墨相氮化碳(g‑C_(3)N_(4)) 改性g‑C_(3)N_(4) 水泥基材料 

分 类 号：TB321[一般工业技术—材料科学与工程] O643[理学—物理化学]