Proceedings of MATSUS Spring 2025 Conference (MATSUSSpring25)
DOI: https://doi.org/10.29363/nanoge.matsusspring.2025.243
Publication date: 16th December 2024
Two-dimensional (2D) materials have attracted significant attention for their high surface area, mechanical flexibility, and tunable electronic properties, enabling applications in energy storage, flexible electronics, optoelectronics, and biomedicine. The discovery of graphene's exceptional properties spurred interest in exfoliating other 2D materials from bulk crystals, uncovering diverse chemical structures and functionalities. Electrochemical exfoliation (ECE) offers a promising approach for mass-producing graphene and other 2D materials due to its mild conditions, fast processing, simplicity, and high yield. While ECE of layered van der Waals (L-vdW) crystals has advanced, research on layered non-van der Waals (L-NvdW) materials is still in its infancy. This work investigates ECE for producing 2D nanoplatelets from L-NvdW crystals, comparing exfoliation techniques for L-vdW and L-NvdW materials and reviewing recent progress in ECE methods for L-NvdW crystals. Key topics include selective extraction of 'M' and 'A' layers from MAX phases, decalcification of Zintl phases, and oxide delocalization from metal oxides. We also present our latest research on the electrochemical exfoliation of layered TM2SC-type MAX phases.
This work was supported by ERC-CZ program (project LL2101) from Ministry of Education Youth and Sports (MEYS) and by the project Advanced Functional Nanorobots (reg. No. CZ.02.1.01/0.0/0.0/15_003/0000444 financed by the EFRR).
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