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- Title
Donor–Acceptor Interactions Induced Interfacial Synthesis of an Ultrathin Fluoric 2D Polymer by Photochemical [2+2] Cycloaddition.
- Authors
Sun, Qingzhu; Pan, Qingyan; Ban, Yanqi; Liu, Hui; Fan, Chunyan; Sun, Lishui; Zhao, Yingjie
- Abstract
Two‐dimensional polymers (2DPs) have attracted much interest due to their unique 2D atomic‐thick covalent network with periodically linked monomers. The preparation of mono‐ or few‐layered 2DPs with highly ordered structures is still a big challenge. Herein, we report a preparation of ultrathin 2DP film based on photo‐triggered [2+2] cycloaddition at the air/water interface. The pre‐assembly process induced by the D–A interactions before the polymerization plays a key role in constructing the highly ordered structure. The precise structure and chemical compositions of the continuous 2DP films were proved by selected area electron diffraction (SAED), Tip‐Enhanced Raman Spectroscopy (TERS) and molecular‐mechanics‐based structural simulation.
- Subjects
RING formation (Chemistry); CHEMICAL structure; POLYMERS; THIN films; RAMAN spectroscopy
- Publication
Chemistry - A European Journal, 2021, Vol 27, Issue 11, p3661
- ISSN
0947-6539
- Publication type
Article
- DOI
10.1002/chem.202004797