官能团修饰对g-C3N4光催化性能的影响,Small

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官能团修饰对g-C3N4光催化性能的影响
Small ( IF 13.0 ) Pub Date : 2023-03-25 , DOI: 10.1002/smll.202300109
Na Wang _{1,

2} , Lei Cheng _{1,

2} , Yulong Liao ₂ , Quanjun Xiang _{1,

2}

Affiliation

近年来，光催化在缓解能源短缺和环境治理方面日益受到关注，石墨氮化碳(gC ₃ N ₄ )作为一种理想的光催化剂。_{然而，要获得本征gC 3} N ₄理想的光催化性能仍然存在许多挑战。官能团功能化是通过在本体结构中引入官能团而形成的，是调节载流子动力学和增加活性位点数量的常见修饰技术之一，为打破gC结构与性能关系的限制提供了新的机会_3N₄ _。_{然而，目前对gC 3} N ₄官能团修饰研究进展的综述还较少。为了更好地理解分子水平上的结构与性能关系，迫切需要对官能团修饰的最新进展进行综述。本文主要关注gC ₃ N ₄的结构、性能和光催化活性方面的官能团修饰，并从分子水平解释其反应机理。_{二、gC 3} N ₄中引入官能团的应用最新进展进行了介绍并给出了例子。最后提出了面临的困难和挑战，并在此基础上对未来研究发展方向进行了展望。

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Effect of Functional Group Modifications on the Photocatalytic Performance of g-C3N4

In recent years, photocatalysis has received increasing attention in alleviating energy scarcity and environmental treatment, and graphite carbon nitride (g-C₃N₄) is used as an ideal photocatalyst. However, it still remains numerous challenges to obtain the desirable photocatalytic performance of intrinsic g-C₃N₄. Functional group functionalization, formed by introducing functional groups into the bulk structure, is one of the common modification techniques to modulate the carrier dynamics and increases the number of active sites, offering new opportunities to break the limits for structure-to-performance relationship of g-C₃N₄. Nevertheless, the general overview of the advance of functional group modification of g-C₃N₄ is less reported yet. In order to better understand the structure-to-performance relationship at the molecular level, a review of the latest development of functional group modification is urgently needed. In this review, the functional group modification of g-C₃N₄ in terms of structures, properties, and photocatalytic activity is mainly focused, as well as their mechanism of reaction from the molecular level insights is explained. Second, the recent progress of the application of introducing functional groups in g-C₃N₄ is introduced and examples are given. Finally, the difficulties and challenges are presented, and based on this, an outlook on the future research development direction is shown.

更新日期：2023-03-25

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