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  • 专利标题:   Preparation of coal-based graphene quantum dots involves mixing pulverized coal with stripping solvent, adding accelerant, transferring in high-pressure reaction kettle, carrying out hydrothermal reaction, cooling and centrifuging.
  • 专利号:   CN103803538-A, CN103803538-B
  • 发明人:   SU Y, ZHANG Y
  • 专利权人:   UNIV SHANGHAI JIAOTONG
  • 国际专利分类:   C01B031/04, C09K011/65
  • 专利详细信息:   CN103803538-A 21 May 2014 C01B-031/04 201447 Pages: 6 Chinese
  • 申请详细信息:   CN103803538-A CN10041931 28 Jan 2014
  • 优先权号:   CN10041931

▎ 摘　　要

NOVELTY - Preparation of coal-based graphene quantum dots comprises mixing pulverized coal with stripping solvent, adding accelerant, ultrasonically dispersing, transferring in high-pressure reaction kettle with magnetic stirrer, carrying out hydrothermal reaction, cooling and centrifuging. USE - Method for preparing coal-based graphene quantum dots (claimed). ADVANTAGE - The product is low-cost and has good water solubility and high fluorescence efficiency. The method is simple and has high yield.