高度对称纳米组装的自组织：竞争问题
Self-organisation of highly symmetric nanoassemblies: a matter of competition
摘要：
金属纳米颗粒的性质和应用不仅与其详细的形态和组成密不可分，而且与其结构配置和相互作用密切相关。因此，与单个纳米颗粒相比，组装体通常具有优异的性质。虽然已经报道纳米颗粒可以形成高度对称的簇，但是如果可以根据合成参数预测构型，则可以进行更有针对性和更准确的合成。我们在这里提出了一个理论模型，准确地预测自组装金纳米团簇的结构和配置。该模型的有效性进行了验证，从不同的组件的电子断层扫描三维重建提取的定量实验数据。目前的理论模型是通用的，原则上可以用于不同类型的纳米粒子，提供了一个非常广阔的窗口的潜在应用。
英文摘要：
The properties and applications of metallic nanoparticles are inseparably connected not only to their detailed morphology and composition, but also to their structural configuration and mutual interactions. As a result, the assemblies often have superior properties as compared to individual nanoparticles. Although it has been reported that nanoparticles can form highly symmetric clusters, if the configuration can be predicted as a function of the synthesis parameters, more targeted and accurate synthesis will be possible. We present here a theoretical model that accurately predicts the structure and configuration of self-assembled gold nanoclusters. The validity of the model is verified using quantitative experimental data extracted from electron tomography 3D reconstructions of different assemblies. The present theoretical model is generic and can in principle be used for different types of nanoparticles, providing a very wide window of potential applications.
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