Synthesis and catalytic activity of hybrid metal/silicon nanocomposites

S Polisski, B Goller, Alexei Lapkin, S Fairclough, D Kovalev

Research output: Contribution to journalArticlepeer-review

16 Citations (Scopus)

Abstract

In this Letter we demonstrate that hydrogen-terminated porous silicon (PSi) layers and powders can serve as highly efficient reductive templates for noble metal salts. The reduction results in metal nanoparticle (NP) formation in the pores of PSi. Gold NP formation has been monitored in-situ by measuring the plasmon resonance response. Pt NPs, formed in the PSi matrix, were investigated by transmission electron microscopy and energy-dispersive X-ray analysis. Furthermore, hybrid Pt/PSi nanocomposites exhibit a high catalytic activity for CO oxidation.
Original languageEnglish
Pages (from-to)132-134
Number of pages3
JournalPhysica Status Solidi: Rapid Research Letters
Volume2
Issue number3
DOIs
Publication statusPublished - 2008

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