首页|Recent advances in g-C3N4-based direct Z-scheme photocatalysts for environmental and energy applications

Recent advances in g-C3N4-based direct Z-scheme photocatalysts for environmental and energy applications

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In the midst of the rapid advancement of photocatalysis,direct Z-scheme heterojunction photocatalysts have emerged as a powerful solution to address environmental challenges and the looming energy crisis.The precise engineering of direct Z-scheme heterojunction photocatalysts proves highly beneficial in optimizing their elec-tronic structure,ultimately enhancing their photocatalytic performance.Notably,graphitic carbon nitride(g-C3N4)has recently gained recognition as a leading candidate for the creation of direct Z-scheme heterojunctions,owing to its favorable attributes such as a moderate band-gap(2.7 eV),high reduction potential and abundant active sites.In this review,we offer a concise overview of the fundamental principles and recent advancements in g-C3N4-based direct Z-scheme photocatalytic systems.Furthermore,we delve into the various practical applica-tions of g-C3N4-based direct Z-scheme photocatalysts,specifically in the realms of energy conversion and envi-ronmental remediation.These applications include the removal of contaminant pollutants through photocatalytic degradation,water splitting(comprising H2-generation,O2-evolution,and overall water splitting),and CO2 reduction.Additionally,we present comprehensive characterization methods and strategies aimed at further enhancing the photocatalytic activity of g-C3N4-based direct Z-scheme photocatalytic systems.To conclude,this review offers summarizing insights and a brief discussion on future challenges and prospects pertaining to g-C3N4-based direct Z-scheme photocatalysts.We believe that this review will inspire continued exploration and foster a deeper understanding of the groundbreaking possibilities within photocatalytic activity.This also provides valuable guidance for the design and construction of innovative direct Z-scheme photocatalysts.

Carbon nitridePhotocatalystZ-scheme systemsEnvironmental remediationEnergy conversion

Xiaoming Fu、Haibo Huang、Guogang Tang、Jingmin Zhang、Junyue Sheng、Hua Tang

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School of Intelligent Engineering and Technology,Jiangsu Vocational College of Finance & Economics,Huai'an,Jiangsu,223003,PR China

School of Environmental Science and Engineering,Qingdao University,Qingdao,266071,PR China

School of Modem Equipment Manufacturing Changzhou Institute of Light Industry Technology,Changzhou,Jiangsu,213164,PR China

School of Materials Science and Engineering,Hainan University,Haikou,570228,PR China

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国家自然科学基金国家自然科学基金Taishan Youth Scholar Program of Shandong Province

2197511022279143

2024

10.1016/j.cjsc.2024.100214

结构化学
中国化学会 中国科学院福建物质结构研究所

结构化学

影响因子：0.44
ISSN：0254-5861
年,卷(期)：2024.43(2)
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