Submicron mesoporous carbon spheres by ultrasonic emulsification

N. Tonanon, W. Intarapanya, W. Tanthapanichakoon, H. Nishihara, S. R. Mukai, H. Tamon

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)

Abstract

In this work submicron mesoporous carbon spheres with the BET surface area of 510-610 m2/g and the mesopore volume of 0.86 cm3/g can be firstly obtained from carbonization of resorcinol-formaldehyde (RF) submicron spheres which are prepared from water-in-oil emulsification with span80 and ultrasonic dispersion followed by freeze drying and pyrolysis. Moreover, surface texture and mesoporous properties can be obviously changed by ultrasonic emulsification. By using ultrasonic emulsification, more number and much smaller size submicron carbon spheres can be observed compared to homogenized and mechanically stirred emulsifications.

Original languageEnglish
Pages (from-to)265-270
Number of pages6
JournalJournal of Porous Materials
Volume15
Issue number3
DOIs
Publication statusPublished - 2008 Jun 1
Externally publishedYes

Keywords

  • Freeze drying
  • Nitrogen adsorption
  • Resorcinol formaldehyde carbon gel
  • Scanning electron microscopy
  • Submicron mesoporous carbon sphere
  • Ultrasonic emulsification

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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