摘要
由TiO_(2)与g-C_(3)N_(4)晶体所组成的TiO_(2)/g-C_(3)N_(4)异质结(TCN异质结)有着成本低廉、带隙较窄、光响应谱带宽、载流子迁移效率高等优点,可有效解决有机污染物降解过程耗能高的问题.然而,常见的两种TCN异质结存在着载流子利用率或氧化还原能力上的限制.为此,需要对TCN异质结的构建策略进行改良以满足实际应用需求.本文主要围绕影响TCN异质结各项性能的因素,对近年来TCN异质结的构建策略及其在光降解有机污染物领域中的研究进展进行了总结.最后,对TCN异质结研究中的未来发展方向提出了展望.
The TiO_(2)/g-C_(3)N_(4)heterojunction(TCN heterojunction)composed of TiO_(2)and g-C_(3)N_(4)crystals has the advantages of low cost,narrow band gap,wide spectral response bandwidth and high carrier migration efficiency,which can effectively solve the problem of high energy consumption in the degradation process of organic pollutants.However,the two common TCN heterojunctions have limitations in carrier utilization or redox ability.Therefore,the construction strategy of TCN heterojunction needs to be improved to meet the practical application requirements.This review mainly focuses on the factors affecting the performance of TCN heterojunction,and summarizes the construction strategies of TCN heterojunction and its research progress in the field of photodegradation of organic pollutants in recent years.Finally,the future development direction of TCN heterojunction research is prospected.
作者
丁浩洋
姜男哲
DING Haoyang;JIANG Nanzhe(College of Engineering,Yanbian University,Yanji,133002,China)
出处
《环境化学》
CAS
CSCD
北大核心
2023年第12期4429-4441,共13页
Environmental Chemistry
基金
国家自然科学基金(21661031,21263026)资助。
