Journal
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
Volume 114, Issue -, Pages 143-164Publisher
JOURNAL MATER SCI TECHNOL
DOI: 10.1016/j.jmst.2021.10.029
Keywords
MXenes; Low-dimensional materials; Co-catalyst; Photocatalytic H-2 evolution; CO2 photoreduction
Funding
- National Natural Science Foundation of China [51902243, 21905209]
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Direct conversion of solar energy into chemical fuels through photocatalytic technology is a sustainable approach for addressing global warming, environmental issues, and energy crisis. MXenes, a newly emerging class of 2D layered materials, have received significant attention as noble metal-free co-catalysts for enhancing photoreactivity. The integration of low-dimensional MXenes with semiconducting materials offers diverse and robust heterostructured photocatalysts suitable for solar fuel generation.
Direct conversion of solar energy into chemical fuels via semiconducting materials through photocatalytic technology is a sustainable way to tackle the global warming, environmental issue and energy crisis. Transition metal carbides and nitrides (MXenes), a newly emerging class of 2D layered materials, has gained tremendous attention as a noble metal-free co-catalyst for boosting photoreactivity due to its extraordinary characteristics like elemental abundance, excellent electrical conductivity, abundant surface functional groups, unique hydrophilic behavior and flexible modulation of chemical composition. The rational integration of low-dimensional MXenes in the form of 2D layered structures or 0D quantum dots with diverse semiconducting materials offer more versatile and robust heterostructured-photocatalysts that are applicable in solar fuel generation. Herein, we summarize the recent advances and achievements in the synthesis of low-dimensional MXenes and their application in hydrogen production from water splitting and CO2 photoreduction. A comprehensive discussion of the fundamentals for solar fuel production, synthesis strategies and theoretical calculations for MXenes-based photocatalysts are also given. Finally, the existing challenges and further perspectives of MXenes-based nanostructures for efficient solar fuel production are addressed. (C) 2022 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
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