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Bromide (Br)--Based Synthesis of Ag Nanocubes with High-Yield.


ABSTRACT: The geometry of metal nanoparticles greatly affects the properties of the localized surface plasmon resonance and surface-enhanced Raman scattering. The synthesis of metal nanoparticles with controllable geometry has thus attracted extensive attentions. In this work, we report a modified polyol synthesis approach of silver (Ag) nanocubes through tuning the concentration of bromide ions (Br(-) ions). We have systematically investigated the effect of Br(-) ions in the polyol process, and find that higher concentration of Br(-) ions can enhance oxidative etching effect, which is the dominative factor in determining nanostructure geometry. Therefore, one can realize control over nanostructure geometry by manipulating the concentration of Br(-) ions. Our work provides an effective approach to control the shape of metallic nanostructures for potential applications.

SUBMITTER: Wu F 

PROVIDER: S-EPMC4460816 | biostudies-other | 2015

REPOSITORIES: biostudies-other

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Bromide (Br)--Based Synthesis of Ag Nanocubes with High-Yield.

Wu Fan F   Wang Wenhui W   Xu Zhongfeng Z   Li Fuli F  

Scientific reports 20150609


The geometry of metal nanoparticles greatly affects the properties of the localized surface plasmon resonance and surface-enhanced Raman scattering. The synthesis of metal nanoparticles with controllable geometry has thus attracted extensive attentions. In this work, we report a modified polyol synthesis approach of silver (Ag) nanocubes through tuning the concentration of bromide ions (Br(-) ions). We have systematically investigated the effect of Br(-) ions in the polyol process, and find that  ...[more]

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