Synthesis of nano-composite surfaces via the co-deposition of metallic salts and nano particles

James W MacFarlane, Sarah J Tesh, Richard Crane, Keith R Hallam, Thomas Bligh Scott

Research output: Contribution to journalArticle (Academic Journal)peer-review

4 Citations (Scopus)

Abstract

Abstract A novel, low energy method for coating different nano-particles via electro-deposition to a recyclable carbon glass supporting structure is demonstrated. In the resulting composite, the nano-material is bound to the substrate surface, thereby removing the potential for causing harmful interactions with the environment. Nano-particles were suspended in a salt solution and deposited at low current densities (<0.1 A cm-2) producing thin (<100 nm), uniform nano-faceted surfaces. A co-deposition mechanism of nano-particles and cations from the salt solution is proposed and explored. This has been successfully demonstrated for iron, sliver, titanium in the current work. Furthermore, the removal of the surface coatings can be achieved via a reversed current applied over the system, allowing for the recovery of surface bound metal contaminants. The demonstrated applicability of this coating method to different nano-particle types, is useful in many areas within the catalysis and water treatment industries. One such example, is demonstrated, for the treatment of BTEX contamination and show a greatly improved efficiency to current leading remediation agents.

Original languageEnglish
Pages (from-to)59-68
Number of pages10
JournalMaterials Science and Engineering: B
Volume182
Issue number1
DOIs
Publication statusPublished - Mar 2014

Keywords

  • Electro-deposition
  • Iron nanoparticles
  • Keywords
  • Nano-composite
  • Synthesis
  • Water remediation

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