Fabrication of nanostructured SiC and BN from templated preceramic polymers

  • In Kyung Sung
  • , Taek Su Kim
  • , Suk Bon Yoon
  • , Jong Sung Yu
  • , Dong Pyo Kim

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

Macroporous SiC and BN with a different degree of ordered pore arrays were prepared by infiltrating liquid precursors into sacrificial crystalline array of monodisperse colloidal silica spheres in range 70∼500nm. The polymethylsilane and polycarbosilane were used as the SiC precursors, and borazine was used as the BN precursor The silica template was subsequently etched off after pyrolysis in an argon atmosphere at 1200∼1300 °C. An alternative nanotublar morphology of stoichiometric SiC was produced using alumina membranes as templates.

Original languageEnglish
Pages (from-to)547-550
Number of pages4
JournalStudies in Surface Science and Catalysis
Volume146
DOIs
StatePublished - 2003

Bibliographical note

Funding Information:
D.-P. Kim and J.-S. Yu acknowledge the Korea Research Foundation Grant ( KRF-2001-005-E00033) and the Korea Research Foundation (KRF-2001-041-D00177) for financial support, respectively.

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