• 专利标题:   Preparation of graphene quantum dot used for photoelectric material and device, by adding carbon nanotube in mixed solution of nitric acid and sulfuric acid, and carrying out dialysis and ultrafiltration centrifugation.
  • 专利号:   CN102992311-A, CN102992311-B
  • 发明人:   GUO T, KOU L, HU X, WU X, CHEN W, LI F, WU C
  • 专利权人:   UNIV FUZHOU
  • 国际专利分类:   B82Y030/00, C01B031/04
  • 专利详细信息:   CN102992311-A 27 Mar 2013 C01B-031/04 201363 Pages: 8 Chinese
  • 申请详细信息:   CN102992311-A CN10525033 10 Dec 2012
  • 优先权号:   CN10525033

▎ 摘  要

NOVELTY - Preparation of graphene quantum dot comprises adding carbon nanotube in mixed solution of nitric acid and sulfuric acid, heating in water bath, magnetic stirring, cooling to room temperature, diluting with distilled water, adjusting pH value, carrying out dialysis and ultrafiltration centrifugation, and extracting by organic solvent. USE - Method for preparing graphene quantum dot (claimed) used for photoelectric material and device. ADVANTAGE - The graphene quantum dot has strong fluorescence, and improves performance of photoelectric material and device. DESCRIPTION OF DRAWING(S) - The drawing shows a flow chart of graphene quantum dot preparation (Drawing includes non-English language text).