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  • 专利标题:   Single-phase composition for preparing graphene-based compound, comprises hydroxyl group-containing carbon source, saccharide-based compound includes monosaccharide, single-phase composition comprises hydrocarbyl alcohol-based solvent.
  • 专利号:   US2019315626-A1, KR2019119498-A, KR2020103603-A
  • 发明人:   PARK O O, LEE S H, IM S H, PARK O, HYUK I
  • 专利权人:   KOREA ADVANCED SCI TECHNOLOGY INST, UNIV KOREA RES BUSINESS FOUND, KOREA ADVANCED INST SCI TECHNOLOGY, UNIV KOREA RES BUSINESS FOUND, KOREA ADVANCED SCI TECHNOLOGY INST
  • 国际专利分类:   C01B032/194, C09K011/65, C01B032/184
  • 专利详细信息:   US2019315626-A1 17 Oct 2019 C01B-032/194 201982 Pages: 20 English
  • 申请详细信息:   US2019315626-A1 US193361 16 Nov 2018
  • 优先权号:   KR042746, KR106746, KR107567

▎ 摘　　要

NOVELTY - Single-phase composition comprises hydrocarbyl amine, hydroxyl group-containing carbon source, and acid. USE - Single-phase composition for preparing graphene-based compound. ADVANTAGE - The single-phase composition improves excellent luminescence characteristics and quantum efficiency. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for the following: (1) a method for preparing graphene-based compound, which involves preparing reaction mixture including hydrocarbyl amine, hydroxyl group-containing carbon source, and acid and heating reaction mixture; and (2) a graphene quantum dot, which has average particle diameter is 2 nanometer-10 micrometer and ratio of I(D)/I(G) is 1.0 or less.