石墨相氮化碳光催化抗菌优化策略及应用研究进展

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中图分类号：0643.36；0644.1 文献标识码：A DOI：10.7535/hbkd.2025yx03005

Research progress on optimization strategies and applications of photocatalytic antibacterial activity of graphitic carbon nitride

I Wenhui1，WANG Ruopeng1，HAN Yuhe1，WANG Sai¹， ZHANG Yumei1²，LU Qiong 1，2 ，AN Jing 1，2

（1.School of Sciences，Hebei Universityof Science and Technology，Shijiazhuang，Hebei O50o18，China; .Hebei Provincial KeyLaboratoryof Photoelectric Controlon Surfaceand Interface，Shijiazhuang，Hebei O5oo18，China）

Abstract： Graphitic carbon nitride （g-C3N4 ） is a carbon-based conjugated polymer material with a crystal structure similar to graphite，which exhibitsunique potential inthe fieldof photocatalyticantibacterial activity.However，factorssuch as easy recombination of photogenerated electron Ξ（e-） -hole （h+ ）pairs，incomplete sunlight absorption，small specific surface area， and poor adsorption propertiesof g-C3N4 photocatalysts leaded to low photocatalytic eficiency，limiting their antibacterial efectiveess.Toovercome theseproblems，strategies suchas morphologycontrol，precious metaldeposition，elementdoping， and heterostructure construction were employed to functionalize g-C3N4 and fully activated its antibacterial potential. A detailed introduction was given to the optimization strategies for the photocatalytic antibacterial performance of g-C3N4 ，with a focus on thecurrent stateofresearchonitsphotocatalyticantibacterial propertiesin waterdisinfection，antibacterial dresings， antibacterial textiles，and food packaging.The challenges currently faced in the development of g-C3N4 photocatalytic antibacterialagentswerehighlighted.Inordertoaddresstheinreasinglyseverechalengeofmicrobialcontamination，future research directions are suggested：1） depening the research onthe mechanisms of reactive oxygen species（ROS） induced damage to bacterialcellmembranes，intracellular proteins，DNA，etal;2）exploring the antibacterialapplications of g-C3N4 on broad-spectrum bacteria such as drug-resistant bacteria and commonly used fungi; 3） enhancing the adaptability of g-C3N4 in different environments.

Keywords：catalytic chemistry；graphitic carbon nitride;photocatalysis；antibacterial;optimization strategy

受环境变化和人类活动的影响，病原体的传播风险增加，公众在饮用水、使用公共设施以及处理伤口时，很容易感染具有传染性和致病性的微生物。（剩余23910字）