Fabrication of 3D nano-hemispherical cavity array plasmonic substrate for SERS applications

IF 6.7 3区工程技术 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC

International Journal of Optomechatronics Pub Date : 2018-01-02 DOI:10.1080/15599612.2018.1508528

Chu-Yu Huang, Ming-Shiuan Tsai

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引用次数: 7

Abstract

Abstract Surface-enhanced Raman scattering (SERS) have numerous applications in areas such as analytical chemistry, biochemistry, and environmental science. However to manufacture SERS active substrates with good reproducibility and low cost is not easy, which hinder the SERS technology from being widespread in various applications. In this study, we developed a batch producible hot embossing 3D nanostructured SERS substrate technology for SERS applications. This study utilized the anodic aluminum oxide (AAO) self-assembled uniform nano-hemispherical array barrier layer as a template to create a durable nanostructured nickel mold. With the hot embossing technique and the durable nanostructured nickel mold, we were able to batch produce the 3D Nanostructured SERS chip with consistent quality and low cost. In addition, according to the SERS experiments, the 3D nano-hemispherical cavity array combined with sub-10-nm-gaps Au NPs showed distinct SERS signals in both Rhodamine 6G and Chlorpyrifos measurements. Therefore, the developed method is good to be used extensively in rapid chemical and biomolecular detection applications.

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用于SERS应用的三维纳米半球腔阵列等离子体衬底的制备

摘要表面增强拉曼散射（SERS）在分析化学、生物化学和环境科学等领域有着广泛的应用。然而，制造具有良好再现性和低成本的SERS活性基底并不容易，这阻碍了SERS技术在各种应用中的广泛应用。在这项研究中，我们开发了一种可批量生产的热压花3D纳米结构SERS基底技术，用于SERS应用。本研究利用阳极氧化铝（AAO）自组装均匀的纳米半球阵列阻挡层作为模板，制作了一种耐用的纳米结构镍模具。凭借热压技术和耐用的纳米结构镍模具，我们能够批量生产质量稳定、成本低廉的3D纳米结构SERS芯片。此外，根据SERS实验，在罗丹明6G和毒死蜱的测量中，结合亚10nm-gaps Au NPs的3D纳米半球腔阵列显示出不同的SERS信号。因此，所开发的方法有利于在快速化学和生物分子检测应用中广泛应用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

International Journal of Optomechatronics 工程技术-工程：电子与电气

CiteScore

9.30

自引率

0.00%

发文量

审稿时长

3 months

期刊介绍： International Journal of Optomechatronics publishes the latest results of multidisciplinary research at the crossroads between optics, mechanics, fluidics and electronics. Topics you can submit include, but are not limited to: -Adaptive optics- Optomechanics- Machine vision, tracking and control- Image-based micro-/nano- manipulation- Control engineering for optomechatronics- Optical metrology- Optical sensors and light-based actuators- Optomechatronics for astronomy and space applications- Optical-based inspection and fault diagnosis- Micro-/nano- optomechanical systems (MOEMS)- Optofluidics- Optical assembly and packaging- Optical and vision-based manufacturing, processes, monitoring, and control- Optomechatronics systems in bio- and medical technologies (such as optical coherence tomography (OCT) systems or endoscopes and optical based medical instruments)