Advances and Promises of 2D MXenes as Cocatalysts for Artificial Photosynthesis

Ding, Mingye; Han, Chenhui; Yuan, Yong‐Jun; Xu, Jingsan; Yang, Xiaofei

doi:10.1002/solr.202100603

Cited by 29 publications

(17 citation statements)

References 203 publications

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“…6c. 53 Accordingly, a heterojunction is formed between Fe 3 S 4 and g-C 3 N 4 . A heterojunction is an interface that occurs between two layers or regions of dissimilar semiconductors where the semiconducting materials have an unequal band gap.…”

Section: Photo-fenton Catalysis Of Methylene Blue Dyementioning

confidence: 99%

Fe₃S₄ nanoparticles wrapped in a g-C₃N₄ matrix: an outstanding visible active Fenton catalysis and electrochemical sensing platform for lead and uranyl ions

et al. 2023

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Section: Photo-fenton Catalysis Of Methylene Blue Dyementioning

confidence: 99%

Fe₃S₄ nanoparticles wrapped in a g-C₃N₄ matrix: an outstanding visible active Fenton catalysis and electrochemical sensing platform for lead and uranyl ions

et al. 2023

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“…The fabricated Ti 3 C 2 /PCN exhibited a heterostructure formed between Ti 3 C 2 T x MXenes and g-C 3 N 4 which boosted the transfer of photogenerated charge carriers from g-C 3 N 4 to MXenes. Moreover, a stored electron in Ti 3 C 2 T x MXenes could release to help in the decomposition of a pollutant . Photocatalytic activity of Ti 3 C 2 T x MXene-based photocatalysts for the application of pollutant degradation is presented in Table .…”

Section: Mxene (Ti3c2t X ) Applications As Cocatalysts In Photocatalysismentioning

confidence: 99%

“…Moreover, a stored electron in Ti 3 C 2 T x MXenes could release to help in the decomposition of a pollutant. 181 Photocatalytic activity of Ti 3 C 2 T x MXene-based photocatalysts for the application of pollutant degradation is presented in Table 4.…”

Section: Mxene (Ti 3 C 2 T X ) Applications As Cocatalysts In Photoca...mentioning

confidence: 99%

Titanium Carbide MXene Nanostructures as Catalysts and Cocatalysts for Photocatalytic Fuel Production: A Review

Tahir

Sherryna

Mansoor

et al. 2022

ACS Appl. Nano Mater.

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Efficient nanomaterials are in high demand in photocatalytic applications to maximize solar energy conversion to renewable fuels. There is growing research on the use of metals as cocatalysts to promote photocatalyst efficiency, but they are expensive. Recently, titanium carbide (Ti3C2T x ) MXenes as layered materials have attracted attention to investigate energy conversion applications. The distinguishing characteristics of Ti3C2T x are higher specific surface area, tunable terminal functional groups (−OH, −O, and −F), exposed metallic active sites, and excellent electrical conductivity. MXenes can be combined with other semiconductors as cocatalysts to improve charge carrier separation. This review discusses various synthesis routes to fabricate Ti3C2T x MXenes as single materials, their surface functionalization, and as cocatalysts to construct a heterojunction for photocatalytic CO2 conversion and H2 production. The different synthesis approaches, such as the HF, halogen, alkali, molten salt, and electrochemical etching routes, to regulate structure, morphology, and efficiency are systematically described. Moreover, synthesis of various morphologies of Ti3C2T x MXenes in terms of dimensions, sizes, and their effect on the performance of energy conversion reactions are systematically discussed. Furthermore, various synthesis routes with regard to fabrication of Ti3C2T x MXene-based nanocomposites for stimulating photocatalytic efficiency with solar energy is elaborated on. The critical analysis and discussion is included on select suitable structures and morphologies of MXenes as cocatalysts and as a support to stimulate the energy harvesting efficiency. Finally, a discussion related to challenges and further developments for exploring pathways in the contexts of synthesis and production of promising renewable fuels is presented.

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“…There are currently several critical reviews proposing the latest development of the synthesis of MXenes and MXene-based heterostructures for various applications, including properties and toxicity assessments [ 17 , 18 , 19 , 20 ]. However, despite this progress, only a few articles focus on the green and sustainable routes of MXene preparation.…”

Section: Introductionmentioning

confidence: 99%

Towards Greener and More Sustainable Synthesis of MXenes: A Review

Amrillah

Abdullah

Hermawan³

et al. 2022

Nanomaterials

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The unique properties of MXenes have been deemed to be of significant interest in various emerging applications. However, MXenes provide a major drawback involving environmentally harmful and toxic substances for its general fabrication in large-scale production and employing a high-temperature solid-state reaction followed by selective etching. Meanwhile, how MXenes are synthesized is essential in directing their end uses. Therefore, making strategic approaches to synthesize greener, safer, more sustainable, and more environmentally friendly MXenes is imperative to commercialize at a competitive price. With increasing reports of green synthesis that promote advanced technologies and non-toxic agents, it is critical to compile, summarize, and synthesize the latest development of the green-related technology of MXenes. We review the recent progress of greener, safer, and more sustainable MXene synthesis with a focus on the fundamental synthetic process, the mechanism, and the general advantages, and the emphasis on the MXene properties inherited from such green synthesis techniques. The emerging use of the so-called green MXenes in energy conversion and storage, environmental remediation, and biomedical applications is presented. Finally, the remaining challenges and prospects of greener MXene synthesis are discussed.

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Advances and Promises of 2D MXenes as Cocatalysts for Artificial Photosynthesis

Abstract: Figure 2. The timeline for the investigation progress of typical MXenes.Reproduced with permission. [42]

Cited by 29 publications

References 203 publications

Fe₃S₄ nanoparticles wrapped in a g-C₃N₄ matrix: an outstanding visible active Fenton catalysis and electrochemical sensing platform for lead and uranyl ions

Fe₃S₄ nanoparticles wrapped in a g-C₃N₄ matrix: an outstanding visible active Fenton catalysis and electrochemical sensing platform for lead and uranyl ions

Titanium Carbide MXene Nanostructures as Catalysts and Cocatalysts for Photocatalytic Fuel Production: A Review

Towards Greener and More Sustainable Synthesis of MXenes: A Review

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Advances and Promises of 2D MXenes as Cocatalysts for Artificial Photosynthesis

Abstract: Figure 2. The timeline for the investigation progress of typical MXenes.Reproduced with permission. [42]

Cited by 29 publications

References 203 publications

Fe3S4 nanoparticles wrapped in a g-C3N4 matrix: an outstanding visible active Fenton catalysis and electrochemical sensing platform for lead and uranyl ions

Fe3S4 nanoparticles wrapped in a g-C3N4 matrix: an outstanding visible active Fenton catalysis and electrochemical sensing platform for lead and uranyl ions

Titanium Carbide MXene Nanostructures as Catalysts and Cocatalysts for Photocatalytic Fuel Production: A Review

Towards Greener and More Sustainable Synthesis of MXenes: A Review

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Product

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Fe₃S₄ nanoparticles wrapped in a g-C₃N₄ matrix: an outstanding visible active Fenton catalysis and electrochemical sensing platform for lead and uranyl ions

Fe₃S₄ nanoparticles wrapped in a g-C₃N₄ matrix: an outstanding visible active Fenton catalysis and electrochemical sensing platform for lead and uranyl ions