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One-Pot Synthesis of Oleylamine Coated AuAg Alloy NPs and Their Catalysis for CO Oxidation

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AuAg alloy nanoparticles (NPs) have stimulated increasing interest because of their unique optical, electronic, and catalytic properties. One feature of these NPs is the tunability of surface plasmon resonance (SPR) frequency by the composition of the alloy, from 520 nm (for Au) to 400 nm (for Ag). It has been also reported that AuAg alloy NPs show enhanced catalytic activity for CO oxidation compared to either Au or Ag NPs, due likely to a synergistic effect. Previous reports have shown that AuAg NPs can be synthesized by laser ablation, phase-transfer, digestive ripening, co-reduction of Au and Ag salts in aqueous solution, or a galvanic replacement reaction. However, synthesis of monodiserpse AuAg alloy NPs with composition control is still a challenge, and most of the approaches reported previously rely on strong ligands like thiol for NP
stabilization, limiting their potentials for catalytic applications.

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Informasi Detail

Judul Seri

Chemistry of Materials

No. Panggil

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Penerbit

Washington, DC : American Chemical Society., 2009

Deskripsi Fisik

Chem. Mater., Vol. 21, No. 3, 2009

Bahasa

English

ISBN/ISSN

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Klasifikasi

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Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

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Subjek

KIMIA

Info Detail Spesifik

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Pernyataan Tanggungjawab

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Versi lain/terkait

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