A facile approach to fabricate Ni inverse opals at controlled thickness

Yi Jui Huang, Chun Han Lai, Pu Wei Wu*, Li Yin Chen

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

A vertical electrophoretic deposition method was employed to fabricate polystyrene (PS) colloidal crystals with negligible defects and considerable surface uniformity. Subsequently, the interstitial voids within the colloidal crystals were electroplated with Ni, followed by selective removal of the PS microspheres. With careful adjustment in the processing parameters, we were able to obtain Ni inverse opals at predetermined thickness in relatively short time. The inverse opals revealed superb structural stability and surface uniformity. Because the electrophoresis and electrodeposition were both carried out in a solution state, this fabrication scheme enables facile construction of inverse opals on conductive substrates over conventional approaches.

Original languageEnglish
Pages (from-to)2393-2395
Number of pages3
JournalMaterials Letters
Volume63
Issue number27
DOIs
StatePublished - 15 Nov 2009

Keywords

  • Colloidal crystals
  • Electrophoretic deposition
  • Inverse opals
  • Ni plating

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