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Two films were prepared from single component monomer solutions. In these monomers, diacetylene and two acid groups are licked by flexible side chains. The side chain serves as the spacer between diacetylenes. After UV-irradiation, monomer films were transformed to polydiacetylene films and one of films exhibited conductivity drastically increases. This conductivity is two orders of magnitude greater...
In article number 1604077, by Ming Li, Yunbin He and co‐workers, demonstrate that hydrogen‐bonding (a weak and reversible interaction) can assemble conjugated polymer chains towards a free‐standing 2D material. The H‐bonding allows further splitting of the material into ribbons, which can re‐assemble, similar to a zipper, leading to the first example of a healable 2D material.
In many 2D materials reported thus far, the forces confining atoms in a 2D plane are often strong interactions, such as covalent bonding. Herein, the first demonstration that hydrogen (H)‐bonding can be utilized to assemble polydiacetylene (a conductive polymer) toward a 2D material, which is stable enough to be free‐standing, is shown. The 2D material is well characterized by a large number of techniques...
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