Facile Fabrication of Platinum Nanodots Assembly Core–Silica Shell Nanosystems

Kostyukova, Diana; Yoo, Hyojong

doi:10.1007/s11664-015-4313-4

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2017

2023

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Cited by 3 publications

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Peapod Assemblies of Au and Au/Pt Nanoparticles Encapsulated within Hollow Silica Nanotubes

Byoun

Yoo

2017

ChemistrySelect

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Nanoparticle assemblies within hollow nanoshells represent versatile structures which enable efficient nanosystems with colligative properties of nanoparticles for a variety of applications. In this report, we present a simple and high yielding solution‐based synthetic strategy for peapod‐shaped Au nanoparticle assembly encapsulated within hollow silica nanotubes (pp multi‐Au@SiO2 NTs). One‐dimensional, [multiple Au nanodot] core–[silica] shell nanowires (multi‐Au@SiO2 NWs) are preferentially synthesized based on reverse microemulsion (water‐in‐oil) techniques. By thermal treatment of multi‐Au@SiO2 NWs in aqueous polyvinylpyrrolidone (PVP) solution, pp multi‐Au@SiO2 NTs can be successfully fabricated. Further growth of Pt on the Au nanoparticles in pp multi‐Au@SiO2 NTs can lead to the generation of [Au] core‐[Pt] shell (Au/Pt) nanoparticle assembly surrounded by silica nanotubes (pp multi‐Au/Pt@SiO2 NTs).

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