Journal Article

PUBDB-2025-03949

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png On-liquid surface synthesis of diyne-linked two-dimensional polymer crystals

Yang, Y.Extern* ; Wu, Y. ; Liu, C.Extern* ; Hambsch, M.Extern* ; Dong, T. ; Bodesheim, D. ; Prasad, M. ; Dianat, A. ; Kühne, T. D. ; Cuniberti, G. ; Mannsfeld, S.Extern* ; Parkin, S. S. P. ; Dong, R. ; Wang, Z. (Corresponding author)Extern* ; Feng, X. (Corresponding author)Extern*

2025
Springer Nature [London]

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Please use a persistent id in citations: doi:10.1038/s41467-025-63768-6

Abstract: The synthesis of thin crystalline two-dimensional polymers (2DPs) typically relies on reversible dynamic covalent reactions. While substantial progress has been made in solution-based and interfacial syntheses, achieving 2DPs through irreversible carbon-carbon coupling reactions remains a formidable challenge. Herein, we present an on-liquid surface (a mixture of N,N-dimethylacetamide and water, DMAc-H$_2$O) synthesis method for constructing diyne-linked 2DP (DY$_2$DP) crystals via Glaser coupling, assisted by a perfluoro-surfactant (PFS) monolayer. In-situ spectroscopic and diffraction techniques reveal that the well-ordered PFS monolayer facilitates the accumulation of Cu$^+$ ions and subsequent vertical coupling of acetylenic monomers on the DMAc-H$_2$O surface. Building on these findings, we successfully synthesized micro-scale rod-shaped DY$_2$DP-Por or graphdiyne (GDY) crystals through the polymerization of porphyrin- or benzene-based monomers, respectively. Our study represents a significant advancement in the field of on-liquid surface chemistry and opens up enormous opportunities for constructing C—C bond linked 2DP crystals with unique functionalities.

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Contributing Institute(s):

1. FS DOOR-User (FS DOOR-User)

Research Program(s):

1. 6G3 - PETRA III (DESY) (POF4-6G3) (POF4-6G3)
2. FS-Proposal: I-20230315 (I-20230315) (I-20230315)
3. FS-Proposal: I-20230364 (I-20230364) (I-20230364)
4. FC2DMOF - Development of Functional Conjugated Two-Dimensional Metal-Organic Frameworks (852909) (852909)
5. T2DCP - Development of Thiophene Based Conjugated Polymers in Two Dimensions (819698) (819698)
6. DFG project G:(GEPRIS)426572620 - Synthese von kristallinen, supramolekularen Polyanilinschichten/2D-Polyanilinen und deren Strukturbestimmung mittels Elektronenbeugung und TEM-Bildgebung (426572620) (426572620)
7. GRK 2861 - GRK 2861: Planare Kohlenstoffgitter (491865171) (491865171)
8. DFG project G:(GEPRIS)417590517 - SFB 1415: Chemie der synthetischen zweidimensionalen Materialien (417590517) (417590517)

Experiment(s):

1. PETRA Beamline P08 (PETRA III)

Appears in the scientific report 2025

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