Synthetic control of nanostructured carbons templated by mesoporous SBA-15 silica

S. B. Yoon, J. Y. Kim, J. S. Yu, J. W. Kim, S. Chang, J. G. Lee

Research output: Contribution to journalArticlepeer-review

Abstract

Novel synthetic control for the generation of carbon replicas has been successfully performed to produce either highly ordered networks of carbon nanofibers with uniform mesopores or disordered carbon nanofibers. Both of these materials were templated from SBA-15 silica modified under different conditions. This control was accomplished through different pretreatment methods of the as-synthesized silica host at relative low reaction temperatures. The use of either as-synthesized or HCl/EtOH washed silica hosts resulted in highly ordered carbon networks. On the other hand, this work also represents an efficient synthesis route for loose carbon nanofibers by using a controlled calcination process for SBA-15.

Original languageEnglish
Pages (from-to)917-923
Number of pages7
JournalStudies in Surface Science and Catalysis
Volume154 A
DOIs
StatePublished - 2004

Bibliographical note

Funding Information:
support (Project No. RO1-2001-00424) and Korean Basic Science Institute

Keywords

  • Carbon nanofibers
  • Carbon replica
  • Nanostructured carbon
  • SBA-15
  • Template

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