Template-free fabrication of hierarchical porous carbon by constructing carbonyl crosslinking bridges between polystyrene chains

  • Zou C
  • Wu D
  • Li M
 et al. 
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Abstract

A simple and effective template-free method to fabricate hierarchical porous carbon (HPC) has been successfully developed by adopting linear polystyrene resin as raw material, anhydrous aluminium chloride as Friedel–Crafts catalyst, and carbon tetrachloride as crosslinker and solvent. Experimental results show that the as-constructed carbonyl (–CO–) crosslinking bridges between polystyrene chains provide simultaneously to its hierarchical porous polystyrene precursor, both a high crosslinking density and a proper amount of oxygen atoms, and thus achieve good framework carbonizability and nanostructure inheritability during carbonization. The as-prepared HPC's hierarchical porous structure exhibits interesting uniqueness: micropores (

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Authors

  • Chong Zou

  • Dingcai Wu

  • Mingzhou Li

  • Qingcong Zeng

  • Fei Xu

  • Ziyi Huang

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