Shape Complementarity Modulated Self-assembly of Nanoring and Nanosphere Hetero-nanostructures,Journal of the American Chemical Society

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Shape Complementarity Modulated Self-assembly of Nanoring and Nanosphere Hetero-nanostructures
Journal of the American Chemical Society ( IF 14.4 ) Pub Date : 2020-06-22 , DOI: 10.1021/jacs.0c04678
Na Li _{1,

2} , Fan Wu ₃ , Zihong Han _{1,

2} , Xiaofeng Wang _{1,

2} , Yi Liu ₄ , Chenglin Yi ₅ , Shunsheng Ye ₅ , Guowei Lu ₆ , Li Yu ₃ , Zhihong Nie ₅ , Baoquan Ding _{1,

2}

Affiliation

Shape complementarity is of paramount importance in molecular recognition, but has rarely been adopted in the self-assembly of colloidal particles, especially in the case of nanoparticles of different shapes. Here, we demonstrated a simple, yet powerful strategy for fabricating gold nanoring-based heterogeneous nanostructures (AuNR-HNs) with well-defined geometries and high yield. The assembly of various geometries of AuNR-HNs is modulated by the shape complementarity of plasmonic nanorings and nanospheres. We also present experimental evidence of dark quadrupolar ring mode excitation in AuNR-HNs through single-particle optical measurements. Our strategy will be beneficial in the study of nanoparticle assembly, photonic element interaction and the development of plasmon-based optical devices.

中文翻译：

纳米环和纳米球异质纳米结构的形状互补调制自组装

形状互补在分子识别中至关重要，但在胶体颗粒的自组装中很少采用，特别是在不同形状的纳米颗粒的情况下。在这里，我们展示了一种简单而强大的策略，用于制造具有明确几何形状和高产量的基于金纳米环的异质纳米结构 (AuNR-HNs)。AuNR-HNs 的各种几何形状的组装受等离子体纳米环和纳米球的形状互补性的调节。我们还通过单粒子光学测量提供了 AuNR-HN 中暗四极环模式激发的实验证据。我们的策略将有利于纳米粒子组装、光子元件相互作用和基于等离子体的光学器件的开发的研究。

更新日期：2020-06-22

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