Two-dimensional carbonitride MXenes: From synthesis to properties and applications

IF 19.5 1区材料科学 Q1 CHEMISTRY, PHYSICAL

Carbon Energy Pub Date : 2024-09-12 DOI:10.1002/cey2.609

Weiwei Zhang, Shibo Li, Xiachen Fan, Xuejin Zhang, Shukai Fan, Guoping Bei

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引用次数: 0

Abstract

Carbonitride MXenes, such as Ti₃CNT_x, Ti₂C_0.5N_0.5T_x, and Ti₄(C_0.2N_0.8)₃T_x, have attracted much interest in the large family of two-dimensional (2D) nanomaterials. Like their carbide MXene counterparts, the nanolayered structure and functional groups endow carbonitride MXenes with an attractive combination of physical and chemical properties. More interestingly, the replacement of C by N changes the lattice parameters and electron distribution of carbonitride MXenes due to the greater electronegativity of N as compared to C, thus resulting in significantly enhanced functional properties. This paper reviews the development of carbonitride MXenes, the preparation of 2D carbonitride MXenes, and the current understanding of the microstructure, electronic structure, and functional properties of carbonitride MXenes. In addition, applications, especially in energy storage, sensors, catalysts, electromagnetic wave shielding and absorption, fillers, and environmental and biomedical fields, are summarized. Finally, their current limitations and future opportunities are presented.

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二维碳氮化物 MXenes：从合成到特性和应用

碳化物 MXenes（如 Ti3CNTx、Ti2C0.5N0.5Tx 和 Ti4(C0.2N0.8)3Tx）在庞大的二维（2D）纳米材料家族中备受关注。与碳化物 MXene 相似，纳米层状结构和官能团赋予了碳氮化物 MXene 极具吸引力的物理和化学特性组合。更有趣的是，由于 N 的电负性比 C 大，用 N 替代 C 会改变碳氮化物 MXenes 的晶格参数和电子分布，从而显著增强其功能特性。本文回顾了碳氮化物 MXenes 的发展、二维碳氮化物 MXenes 的制备以及目前对碳氮化物 MXenes 的微观结构、电子结构和功能特性的理解。此外，还概述了其应用，特别是在能量存储、传感器、催化剂、电磁波屏蔽和吸收、填料以及环境和生物医学领域的应用。最后，介绍了它们目前的局限性和未来的机遇。

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来源期刊

Carbon Energy Multiple-

CiteScore

25.70

自引率

10.70%

发文量

116

审稿时长

4 weeks

期刊介绍： Carbon Energy is an international journal that focuses on cutting-edge energy technology involving carbon utilization and carbon emission control. It provides a platform for researchers to communicate their findings and critical opinions and aims to bring together the communities of advanced material and energy. The journal covers a broad range of energy technologies, including energy storage, photocatalysis, electrocatalysis, photoelectrocatalysis, and thermocatalysis. It covers all forms of energy, from conventional electric and thermal energy to those that catalyze chemical and biological transformations. Additionally, Carbon Energy promotes new technologies for controlling carbon emissions and the green production of carbon materials. The journal welcomes innovative interdisciplinary research with wide impact. It is indexed in various databases, including Advanced Technologies & Aerospace Collection/Database, Biological Science Collection/Database, CAS, DOAJ, Environmental Science Collection/Database, Web of Science and Technology Collection.