Covalent organic frameworks from a monomer with reduced symmetry: polymorphism and Sierpiński triangles - Aix-Marseille Université Access content directly
Journal Articles Chemical Communications Year : 2019

Covalent organic frameworks from a monomer with reduced symmetry: polymorphism and Sierpiński triangles

Abstract

We report on the synthesis of a covalent organic framework based on the low-symmetry 1,3-benzenediboronic acid precursor. Two distinct polymorphs are obtained, a honeycomb network and Sierpiński triangles, as elucidated by scanning tunneling microscopy. Control over polymorph formation was achieved by varying the precursor concentration for on-surface synthesis.
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Dates and versions

hal-02355234 , version 1 (08-11-2019)

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Daling Cui, Yuan Fang, Oliver Maclean, Dmitrii F. Perepichka, Federico Rosei, et al.. Covalent organic frameworks from a monomer with reduced symmetry: polymorphism and Sierpiński triangles. Chemical Communications, 2019, 90, pp.13586-13589. ⟨10.1039/C9CC05674B⟩. ⟨hal-02355234⟩
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