• 专利标题:   Manufacturing graphene nanocomposite aerogel, comprises e.g. adding basic solution into dispersion solution containing, preparing suspension solution by adding water into obtained solution, and adding capping agent into suspension solution.
  • 专利号:   KR1496042-B1
  • 发明人:   SHIM J J, WEI S
  • 专利权人:   UNIV YEUNGNAM RES COOP FOUND
  • 国际专利分类:   B82B001/00, B82B003/00, C01B031/02, C01B033/158
  • 专利详细信息:   KR1496042-B1 25 Feb 2015 C01B-031/02 201520 Pages: 10
  • 申请详细信息:   KR1496042-B1 KR127808 25 Oct 2013
  • 优先权号:   KR127808

▎ 摘  要

NOVELTY - Manufacturing graphene nanocomposite aerogel, comprises adding basic solution into dispersion solution containing graphene oxide and metal salt compounds, preparing suspension solution by adding water into obtained solution, adding capping agent into suspension solution, adding reducing agent into suspension solution, aging suspension solution, producing graphene hydrogel by drying, purifying graphene hydrogel, adding ethanol into purified graphene hydrogel, preparing graphene alcogel by drying, and drying graphene alcogel. USE - The method is useful for manufacturing graphene nanocomposite aerogel (claimed). ADVANTAGE - The aerogel has excellent electrical conductivity, exhibits high catalytic activity in Heck reaction, can be reused, contains antibacterial substances, and increases activity of surface enhanced Raman scattering sensor. The method uniformly distributes metal nanoparticles on graphene surface, prevents agglomeration of graphene nanocomposite, is environmentally friendly, and gradually reduces graphene oxide under mild conditions. DETAILED DESCRIPTION - Manufacturing graphene nanocomposite aerogel, comprises (a) adding basic solution into dispersion solution containing graphene oxide and metal salt compounds, (b) preparing suspension solution by adding water into the solution obtained from the step (a), (c) adding 0.01-0.1 pts. wt. capping agent into 100 pts. wt. suspension solution, (d) adding reducing agent into the obtained suspension solution, (e) aging the suspension solution, and producing graphene hydrogel by drying, (f) purifying the obtained graphene hydrogel, (g) adding ethanol into the purified graphene hydrogel, and preparing graphene alcogel by drying, and (h) drying the obtained graphene alcogel.