Since their discovery in 2011, transition metal carbides or nitrides (MXenes) have attracted a wide range of attention due to their unique properties and promise for use in a variety of applications. However, the low accessible surface area and poor processability of MXene nanosheets caused by their restacking have severely hindered their practical use, and this is expected to be solved by integrating them into macroscopic assemblies. Here, recent progress in the construction of MXene assemblies from 2D to 3D at the macro and/or microlevel is summarized. The mechanisms of their assembly are also discussed to better understand the relationship between performance and assembled structure. The possible uses of MXene assemblies in energy conversion and storage, electromagnetic interference shielding and absorption, and other applications are summarized.
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http://dx.doi.org/10.1002/advs.201903077 | DOI Listing |
Int J Biol Macromol
January 2025
Polymers and Pigments Department, Chemical Industries Research Institute, National Research Centre, Dokki, Giza 12622, Egypt.
Integrating nanotechnology with tissue engineering has revolutionized biomedical sciences, enabling the development of advanced therapeutic strategies. Tissue engineering applications widely utilize alginate due to its biocompatibility, mild gelation conditions, and ease of modification. Combining different nanomaterials with alginate matrices enhances the resulting nanocomposites' physicochemical properties, such as mechanical, electrical, and biological properties, as well as their surface area-to-volume ratio, offering significant potential for tissue engineering applications.
View Article and Find Full Text PDFNanomicro Lett
January 2025
Key Laboratory of Material Chemistry for Energy Conversion and Storage of Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, 430074, People's Republic of China.
Chem Asian J
January 2025
Fudan University, Department of Chemistry, 2005# Songhu RD., 200438, Shanghai, CHINA.
Traditional photocatalysts often have limited efficiency due to the high recombination rate of photogenerated electron-hole pairs. In this work, we synthesized 3D/2D ZnSe-MXene heterojunctions by an in situ electrostatic self-assembly method. Notably, the 3% MXene-ZnSe composite exhibited an optimized photocatalytic hydrogen production rate of 765.
View Article and Find Full Text PDFJ Colloid Interface Sci
January 2025
College of Chemical and Pharmaceutical Engineering, Jilin Institute of Chemical Technology, Jilin 132022, PR China. Electronic address:
MoCT MXenes have great potential for multifunctional energy storage applications because of their outstanding electrical conductivity, superior cycling stability, and high optical transmittance. In this study, we fabricate MoCT film electrodes (referred to as MoC) on fluorine-doped tin oxide (FTO) substrates using the layer-by-layer (LbL) self-assembly technique. To improve the energy-storage performance of MoCT film electrodes, we develop a convenient electrochemical activation process to prepare in situ oxidized MoCT/MoO film electrodes (referred to as EA-MoC).
View Article and Find Full Text PDFSmall
January 2025
Guangxi Key Laboratory of Petrochemical Resource Processing and Process Intensification Technology, School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, P. R. China.
Although Silicon monoxide (SiO) is regarded as the most promising next-generation anode material, the large volume expansion, poor conductivity, and low initial Coulombic efficiency (ICE) severely hamper its commercialization application. Designing a multilayer conductive skeleton combined with advanced prelithiation technology is considered an effective approach to address these problems. Herein, a reliable strategy is proposed that utilizes MXene and carbon nanotube (CNT) as dual-conductive skeletons to encapsulate SiO through simple electrostatic interaction for high-performance anodes in LIBs, while also performing chemical prelithiation.
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