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Showing 1–5 of 5 results
Advanced filters: Author: Zhen-Feng Cai Clear advanced filters

  • Achieving catalyst-free Ullmann couplings under mild conditions is crucial to extending the scope of traditional carbon-carbon and carbon-heteroatom couplings. Here, the authors show that Ullmann couplings can be effectively achieved at room temperature without the need for metal catalysts in MeOH/H2O microdroplets.

    • Ming-Yang Jia
    • Yue-Wen Zhou
    • Zhen-Feng Cai
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-9

  • In situ scanning tunnelling microscopy reveals the dynamic nature of the early stages of two-dimensional (2D) polymer formation and crystallization at the solid–liquid interface.

    • Gaolei Zhan
    • Zhen-Feng Cai
    • Steven De Feyter
    Research
    Nature
    Volume: 603, P: 835-840

  • On-surface synthesis of two-dimensional polymers is a useful strategy for designing the lattice, orbital and spin symmetries of materials, but controlling their layer stacking remains challenging. Now, a method to synthesize bilayer two-dimensional covalent organic frameworks at a liquid–substrate interface through monomer condensation has been developed; large-area moiré superlattices emerge from the twisted bilayer stacking.

    • Gaolei Zhan
    • Brecht Koek
    • Kian Ping Loh
    ResearchOpen Access
    Nature Chemistry
    Volume: 17, P: 518-524