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Review Article

MXenes/CNTs-based hybrids: Fabrications, mechanisms, and modification strategies for energy and environmental applications

Jizhou Jiang1( )Fangyi Li1Lei Ding1Chengxun Zhang1Arramel 2Xin Li3( )
School of Environmental Ecology and Biological Engineering, School of Chemistry and Environmental Engineering, Key Laboratory of Green Chemical Engineering Process of Ministry of Education, Engineering Research Center of Phosphorus Resources Development and Utilization of Ministry of Education, Novel Catalytic Materials of Hubei Engineering Research Center, Wuhan Institute of Technology, Wuhan 430205, China
Nano Center Indonesia, Jl. PUSPIPTEK Tangerang Selatan, Banten 15314, Indonesia
Institute of Biomass Engineering, Key Laboratory of Energy Plants Resource and Utilization, Ministry of Agriculture and Rural Affairs, South China Agricultural University, Guangzhou 510642, China
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Graphical Abstract

This review summarizes the fabrication strategies, the identification of the enhancement mechanisms, and recent progress regarding the design and modification of MXenes/CNTs-based hybrids. The recent advancements in profound applications of MXenes/CNTs-based hybrids have also been carefully revealed, including energy storage devices, sensors, water purification systems, and microwave absorption.

Abstract

Emerging two-dimensional (2D) layered metal carbide and nitride materials, commonly termed MXenes, are increasingly recognized for their applications across diverse fields such as energy, environment, and catalysis. In the past few years, MXenes/carbon nanotubes (CNTs)-based hybrids have attracted extensive attention as an important catalyst in energy and environmental fields, due to their superior multifunctions and mechanical stability. This review aims to address the fabrication strategies, the identification of the enhancement mechanisms, and recent progress regarding the design and modification of MXenes/CNTs-based hybrids. A myriad of fabrication techniques have been systematically summarized, including mechanical mixing, spray drying, three-dimensional (3D) printing, self-assembly/in-situ growth, freeze drying, templating, hydrothermal methods, chemical vapor deposition (CVD), and rolling. Importantly, the identification of the enhancement mechanisms was thoroughly discussed from the two dimensions of theoretical simulations and in-situ analysis. Moreover, the recent advancements in profound applications of MXenes/CNTs-based hybrids have also been carefully revealed, including energy storage devices, sensors, water purification systems, and microwave absorption. We also underscore anticipated challenges related to their fabrication, structure, underlying mechanisms, modification approaches, and emergent applications. Consequently, this review offers insights into prospective directions and the future trajectory for these promising hybrids. It is expected that this review can inspire new ideas or provide new research methods for future studies.

Nano Research
Pages 3429-3454
Cite this article:
Jiang J, Li F, Ding L, et al. MXenes/CNTs-based hybrids: Fabrications, mechanisms, and modification strategies for energy and environmental applications. Nano Research, 2024, 17(5): 3429-3454. https://doi.org/10.1007/s12274-023-6302-x
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Received: 16 September 2023
Revised: 28 October 2023
Accepted: 30 October 2023
Published: 07 December 2023
© Tsinghua University Press 2023
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