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  • 专利标题:   Preparation of graphene quantum dots used in e.g. gas-sensitive sensor, involves placing graphite nanoparticles in liquid such as single solvent, ultrasonically processing, centrifuging and filtering.
  • 专利号:   CN105600773-A
  • 发明人:   YANG Z, WEI H, ZHANG Y, XU M, XU S
  • 专利权人:   UNIV SHANGHAI JIAOTONG
  • 国际专利分类:   C01B031/04
  • 专利详细信息:   CN105600773-A 25 May 2016 C01B-031/04 201666 Pages: 6 English
  • 申请详细信息:   CN105600773-A CN10960643 18 Dec 2015
  • 优先权号:   CN10960643

▎ 摘　　要

NOVELTY - Preparation of graphene quantum dots involves placing graphite nanoparticles in liquid chosen from single solvent, mixed solvent and water-containing surfactant, ultrasonically processing, centrifuging and filtering. USE - Preparation of graphene quantum dots used in gas-sensitive sensor, photoelectron, memory storage device and photocatalyst device. ADVANTAGE - The method efficiently provides graphene quantum dots with high productivity under mild reaction condition, without affecting the environment.