• 专利标题:   Preparation of graphene/tungsten acid bismuth nanostructured sheet catalytic material for e.g. solar battery, involves adding graphene solution in deionized water, dispersing solution, dispersing colloidal liquid, cooling and washing.
  • 专利号:   CN103657639-A, CN103657639-B
  • 发明人:   LIU T, CHEN C, CAO S, XIAO Y, XIE X
  • 专利权人:   UNIV CHANGSHA SCI TECHNOLOGY
  • 国际专利分类:   B01J023/31, B82Y030/00, B82Y040/00
  • 专利详细信息:   CN103657639-A 26 Mar 2014 B01J-023/31 201433 Pages: 10 Chinese
  • 申请详细信息:   CN103657639-A CN10749504 31 Dec 2013
  • 优先权号:   CN10749504

▎ 摘  要

NOVELTY - Preparation of graphene/tungsten acid bismuth nanostructured sheet visible light catalytic material involves adding graphene solution in deionized water, obtaining graphene dispersion, uniformly dispersing obtained solution, dispersing crane salt in solution, adding polyacrylic acid and cetyl trimethyl ammonium bromide organic electrolyte composition, adding salt, dispersing colloidal liquid, aging gelatinous liquid, obtaining reaction product, cooling product to room temperature, filtering and washing with distilled water and ethanol, washing baked material and grinding. USE - Preparation of graphene/tungsten acid bismuth nanostructured sheet visible light catalytic material used for sewage treatment, light degrading organic material, air purifier and solar battery. ADVANTAGE - The graphene/tungsten acid bismuth nanostructured sheet visible light catalytic material is efficiently prepared with high activity. DETAILED DESCRIPTION - Preparation of graphene/tungsten acid bismuth nanostructured sheet visible light catalytic material involves adding 0.1-1.2 g/L graphene solution with concentration of 1-15 mL in 40-100 mL deionized water, ultrasonic dispersing for 20-40 minutes, obtaining graphene dispersion, dispersing the graphene at 0-40 degrees C under ultrasonic dispersion for 15-30 minutes, uniformly dispersing obtained solution, dispersing 0.1-4 g crane salt in the solution, adding 0.5-3 g polyacrylic acid and 0.1 g cetyl trimethyl ammonium bromide organic electrolyte composition, stirring to dissolve, ultrasonically agitating at 35-50 degrees C for 15-60 minutes, freezing at -20 degrees C to 0 degrees C for 1-24 hours, adding 0.485-1.94 g salt, ultrasonically stirring for 20-30 minutes, dispersing colloidal liquid, aging gelatinous liquid at 20-40 degrees C for 0.5 hours, transferring to the reactor 6-18 hours at 90-180 degrees C, obtaining reaction product, cooling the obtained reaction product to room temperature, filtering and washing with distilled water and ethanol for 12 hours, washing baked material at 60-80 degrees C for 24 hours and grinding.