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Interfacial Synthesis of Conjugated Two-Dimensional N‑Graphdiyne
We explored the interfacial
synthesis of 2D N-graphdiyne films at the gas/liquid and liquid/liquid
interfaces. Triazine- or pyrazine-based monomers containing ethynyl
group were polymerized through the Glaser coupling reactions at interfaces.
Several layered, highly ordered and conjugated 2D N-graphdiyne were
obtained. Their structures were characterized by TEM, SEM, AFM, XPS,
and Raman spectra. Thin films with minimum thickness of 4 nm could
be prepared