Formation of self-assembled gold nanoparticle supercrystals with facet-dependent surface plasmonic coupling

Macroscopically large supercrystals are very difficult to assemble from metallic nanoparticles. Here, the authors use a binary solvent diffusion method to form sub-millimeter gold nanoparticle supercrystals with rare hcp symmetry, and discover that they exhibit facet-dependent optical properties.

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Detalles Bibliográficos
Autores principales: Kaifu Bian, Hattie Schunk, Dongmei Ye, Austin Hwang, Ting Shan Luk, Ruipeng Li, Zhongwu Wang, Hongyou Fan
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2018
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Acceso en línea:https://doaj.org/article/3b42192298cd46299f6fc98512485fd4
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Sumario:Macroscopically large supercrystals are very difficult to assemble from metallic nanoparticles. Here, the authors use a binary solvent diffusion method to form sub-millimeter gold nanoparticle supercrystals with rare hcp symmetry, and discover that they exhibit facet-dependent optical properties.