In situ immobilization of ag nanoparticles on keggin heteropoly blue microtubes

Yan Shen, Jun Peng, Huanqiu Zhang, Changyun Chen, Fang Zhang, Alan Bond

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Silver nanoparticles (NPs)-deposited tungstosilicate (Ag/SiW(12)/Ag) microtubes were obtained by a redox reaction between the heteropoly blue microtubes and Ag(+) ions. The Ag/SiW(12)/Ag microtubes were characterized by FT-IR and XPS spectroscopy. Their morphology was examined by ESEM-FEG, showing that the microtubes kept their original microtubular morphology well after reacting with Ag(+) ions and the silver NPs exhibited regular spherical morphology. The current-voltage properties of the Ag/SiW(12)/Ag microtubes were also briefly investigated.
Original languageEnglish
Pages (from-to)6995 - 6998
Number of pages4
JournalJournal of Materials Chemistry
Issue number19
Publication statusPublished - 2011

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