Surface functionalization of multiwalled carbon nanotubes by the photo‐responsive strategy of π‐π stacking and azide‐grafting

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EarlyView Article

  • Published: Dec 27, 2017
  • Author: Yan Zhang, Zhixin Kang, Dexin Chen, Takeshi Bessho
  • Journal: Surface and Interface Analysis

In this communication, we report a new, simple, and eco‐friendly method to develop highly dispersible multiwalled carbon nanotubes (MWCNTs) by π‐π stacking and azide‐grafting. MWCNTs were functionalized via standard physisorption, followed by nitrene addition using azido compounds upon ultraviolet activation. The functionalized MWCNTs show excellent dispersibility without raising distinct damage, which can bear comparison with that of MWCNTs oxidized with mixture acids. This method allows for the improvement of the chemical compatibility of MWCNTs with specific polymers for application in nanotube‐based composites and opens a potential pathway for surface protection.

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