Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 136, Issue 14, Pages 5221-5224Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja500552p
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Funding
- Basic Science Research Programs through the NRF [2010-0029149]
- EPB Center through the NRF [2008-0061892]
- Korea government (MSIP)
- Institute for Basic Science (IBS) [CA1301]
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We report a universal sulfide-assisted synthesis strategy to prepare dumbbell-like M-Ag heterodimers (M = Pd, Au, Pt). Sulfide ions can give fine control over the reaction kinetics of Ag precursors, resulting in the anisotropic overgrowth of Ag to realize the dumbbell-like heterodimers irrespective of the surface facets or components of the M domain. The M-Ag heterodimers were facilely transformed to M-Ag2S heterodimers via a simple sulfidation reaction. This study provides a versatile approach to realizing not only metal-metal heterodimers but also semiconductor-metal heterodimers and will pave the way for designing heteronanostructures with unprecedented morphologies and functions.
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