• 专利标题:   Preparing twisted graphene by mixing oxidant, graphite and concentrated sulfuric acid, centrifuging mixture, adding to monomer acid solution to initiate polymerization reaction, and washing reaction product, and ultrasonically processing.
  • 专利号:   CN111204743-A
  • 发明人:   ZHOU Z, GUO Y, LI J, WEI W, JIANG H, LI Y, PENG F, MENG F, XU X, JIANG M
  • 专利权人:   UNIV SOUTHWEST JIAOTONG
  • 国际专利分类:   C01B032/184
  • 专利详细信息:   CN111204743-A 29 May 2020 C01B-032/184 202059 Pages: 8 Chinese
  • 申请详细信息:   CN111204743-A CN10082269 07 Feb 2020
  • 优先权号:   CN10082269

▎ 摘  要

NOVELTY - Method for preparing twisted graphene by polymer spiral growth, involves (a) uniformly mixing oxidant, graphite and concentrated sulfuric acid in a mass volume ratio of (0.05-5)g:(0.01-1)g:10 ml, and leaving still, (b) centrifuging the mixture to obtain a solid component after separation, and adding to monomer acid solution to initiate a polymerization reaction, and (c) washing the reaction product, ultrasonically processing, centrifuging, and freeze-drying the supernatant to obtain the graphene. USE - The method is useful for preparing twisted graphene by polymer spiral growth. ADVANTAGE - The method utilizes the spiral growth tendency of polymer molecules between graphite layers to drive the rotation of graphene sheets to produce graphene with torsion structure, easily adjusts the graphene torsion angle by controlling the process conditions of the polymerization reaction, is safe and controllable, and consumes less time and energy.