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Vertical stacking of three-dimensional nanostructures via an aerosol lithography for advanced optical applications

机译:通过气溶胶光刻垂直堆叠三维纳米结构,用于高级光学应用

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In this report, we introduce a method utilizing ion-assisted aerosol lithography to stack 3D nanostructures vertically. The stacked 3D nanostructures exhibit extraordinary optical properties: the double layer 3D nanostructures show more than 5-fold increased surface enhanced Raman scattering intensities compared to their single layer counterpart. This unusual enhancement of Raman intensity implies the existence of additional vertical hotspots formed by interlayer cavity effects between the lower and upper nanostructures. Allowing for full three-dimensional control in nanofabrication, this work provides a reliable way to create complex-shaped advanced optical nanostructures with non-intuitive bulk optical properties.
机译:在本报告中,我们介绍了一种利用离子辅助气溶胶光刻垂直堆叠3D纳米结构的方法。 堆叠的3D纳米结构表现出非凡的光学性质:双层3D纳米结构显示出超过5倍的表面增强的表面增强的拉曼散射强度,与其单层对应相比。 这种不寻常的拉曼强度增强意味着存在由下纳米结构和上部结构之间的层间腔效应形成的附加垂直热点。 允许在纳米制造中进行全三维控制,这项工作提供了一种可靠的方法来产生具有非直观散装光学性能的复杂形状的先进光学纳米结构。

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