Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 10, Issue 19, Pages 10265-10296Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d2ta01140a
Keywords
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Funding
- National Natural Science Foundation of China [22078074]
- Guangxi Natural Science Foundation [2022GXNSFBA035483, 2019GXNSFAA245006, 2020GXNSFDA297007]
- Opening Project of Guangxi Key Laboratory of Petrochemical Resource Processing and Process Intensification Technology [2021K009]
- Special funding for 'Guangxi Bagui Scholars'
- Scientific Research Foundation for High-level Personnel from Guangxi University
- Center for Nanophase Materials Sciences, DOE Office of Science User Facility
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MXenes, a family of two-dimensional materials with intriguing properties, have great potential in energy and environmental applications. Surface engineering plays a crucial role in the successful application of MXenes, and the surface composition of MXenes significantly affects their physicochemical properties and functionalities.
MXenes, a new family of two-dimensional (2D) transition-metal carbides, nitrides, and carbonitrides, have received considerable attention in energy and environmental applications due to their intriguing electronic, electrochemical, optical, and chemical properties. Applications of MXenes have been witnessed in photocatalysis, electrocatalysis, thermocatalysis, sensing and biosensing, electrochemical energy storage, energy conversion and storage, rechargeable batteries, supercapacitors, and biomedicine. Notably, the tunable surface chemistry of MXenes plays an important role in their success in those applications. The surface composition of MXenes is considered to have a significant influence on their physicochemical properties and functionalities. In order to achieve a comprehensive understanding and rational design of MXenes by surface engineering, in this review, we highlight the application of several kinds of surface engineering approaches for MXenes, including tuning the surface termination groups, surface functionalization, surface defects, surface doping, surface oxidation, and the theoretical simulation of surface engineering of MXenes. Moreover, the relationship between the surface engineering and the physicochemical properties of MXenes is discussed. Finally, the ongoing challenges and opportunities for the future development of MXene surface engineering are also highlighted.
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