Porous crystalline iron oxide thin films templated by mesoporous silica

K Y Shi, L M Peng, Q Chen, R H Wang, Wuzong Zhou

Research output: Contribution to journalArticlepeer-review

23 Citations (Scopus)

Abstract

Continuous thin films of SBA-16 mesoporous silica with three-dimensional accessible pore structures (space group Im (3) over barm) have been prepared on indium-tin oxide glass (ITO) via a dip-coating technique using F-127 surfactants as the structure-directing agent in the non-aqueous media and under acidic conditions. The porous film was then used as a template to produce three-dimensional porous crystals of iron oxide by electrochemical deposition of iron metal followed by in-situ oxidation. Scanning electron microscopic images revealed several morphologies of the porous gamma-Fe2O3 particles. The detailed structures of these particles were examined by electron diffraction and high resolution transmission electron microscopy. (c) 2005 Published by Elsevier Inc.

Original languageEnglish
Pages (from-to)219-224
Number of pages6
JournalMicroporous and Mesoporous Materials
Volume83
DOIs
Publication statusPublished - 1 Sept 2005

Keywords

  • mesoporous iron oxide
  • electron microscopy
  • thin film
  • SBA-16
  • nanostructure
  • COPOLYMER

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