Gold–clay nanocomposite colloids with liquid-crystalline and plasmonic properties,Chemical Communications

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Gold–clay nanocomposite colloids with liquid-crystalline and plasmonic properties
Chemical Communications ( IF 4.3 ) Pub Date : 2021-09-13 , DOI: 10.1039/d1cc03826e
Karin El Rifaii ₁ , Patrick Davidson ₁ , Laurent Michot ₂ , Cyrille Hamon ₁

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Imparting liquid-crystal (LC) materials with the plasmonic properties of metal nanoparticles is actively pursued for applications. We achieved this goal by synthetizing gold nanoparticles onto clay nanosheets, leading to nematic nanocomposite suspensions. Optical observations and structural analysis show the growth of the gold nanoparticles without altering the LC properties of the nanosheets. These colloids display plasmonic structural colours and they can be aligned by an electric field, which is relevant for fundamental and materials chemistry of colloidal LC.

中文翻译：

具有液晶和等离子体特性的金粘土纳米复合胶体

积极寻求将金属纳米粒子的等离子体特性赋予液晶 (LC) 材料以用于应用。我们通过在粘土纳米片上合成金纳米颗粒来实现这一目标，从而形成向列纳米复合材料悬浮液。光学观察和结构分析表明金纳米粒子的生长没有改变纳米片的 LC 特性。这些胶体显示等离子体结构颜色，它们可以通过电场对齐，这与胶体 LC 的基础和材料化学相关。

更新日期：2021-09-17

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