ArticleAngewandte Chemie (International ed. in English)2025
Moiré Lattice of Twisted Bilayer Graphene as Template for Non-Covalent Functionalization.
Article in Angewandte Chemie (International ed. in English), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Electrochemical Modulation of Laser-Induced Covalent Functionalization of Graphene.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Laser-Induced Covalent Defunctionalization of Graphene - Precise Patterning and Site-Selective Removal of Functional Groups.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Moiré Lattice of Twisted Bilayer Graphene as Template for Non-Covalent Functionalization.Angewandte Chemie (International ed. in English) · 2025Article
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10 authors.
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Abstract
We present a novel approach to achieve spatial variations in the degree of non-covalent functionalization of twisted bilayer graphene (tBLG). The tBLG with twist angles varying between ~5° and 7° was non-covalently functionalized with 1,4,5,8,9,11-hexaazatriphenylenehexacarbonitrile (HATCN) molecules. Our results show a correlation between the degree of functionalization and the twist angle of tBLG. This correlation was determined through Raman spectroscopy, where areas with larger twist angles exhibited a lower HATCN peak intensity compared to areas with smaller twist angles. We suggest that the HATCN adsorption follows the moiré pattern of tBLG by avoiding AA-stacked areas and attach predominantly to areas with a local AB-stacking order of tBLG, forming an overall ABA-stacking configuration. This is supported by density functional theory (DFT) calculations. Our work highlights the role of the moiré lattice in controlling the non-covalent functionalization of tBLG. Our approach can be generalized for designing nanoscale patterns on two-dimensional (2D) materials using moiré structures as a template. This could facilitate the fabrication of nanoscale devices with locally controlled varying chemical functionality.
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