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The spontaneous formation and plasmonic properties of ultrathin gold–silver nanorods and nanowires stabilized in oleic acid

Abstract : Ultrathin Au–Ag alloy nanorods and nanowires of different lengths and ca. 1.9 nm diameter are prepared through a low-temperature decomposition of the precursor [Au2Ag2(C6F5)4(OEt2)2]n in oleic acid. This nanostructure formation has been studied through TEM, HRTEM, EDS, HS-SPME-GC-MS and 19F NMR spectroscopy. The UNRs and UNWs display a length-dependent broad band in the mid-IR region that is related to the longitudinal mode of the surface plasmon resonance of the ultrathin nanostructures.
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https://hal.insa-toulouse.fr/hal-02018779
Contributor : Insa Toulouse Scd <>
Submitted on : Thursday, February 14, 2019 - 10:39:12 AM
Last modification on : Tuesday, March 3, 2020 - 11:40:04 AM

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  • HAL Id : hal-02018779, version 1

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Julian Crespo, José López-De-Luzuriaga, Miguel Monge, M. Elena Olmos, Maria Rodriguez-Castillo, et al.. The spontaneous formation and plasmonic properties of ultrathin gold–silver nanorods and nanowires stabilized in oleic acid. Chemical Communications, Royal Society of Chemistry, 2015, 51 (93), pp.16691-16694. ⟨hal-02018779⟩

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