http://scholars.ntou.edu.tw/handle/123456789/20589
標題: | Low-Cost and Rapid Fabrication of Metallic Nanostructures for Sensitive Biosensors Using Hot-Embossing and Dielectric-Heating Nanoimprint Methods | 作者: | Lee, Kuang-Li Wu, Tsung-Yeh Hsuan-Yeh Hsu Yang, Sen-Yeu Wei, Pei-Kuen |
關鍵字: | PLASMON RESONANCE SENSORS;NANOHOLE ARRAYS;FANO RESONANCES;TRANSMISSION;INTEGRATION;SURFACES;LIGHT | 公開日期: | 七月-2017 | 出版社: | MDPI | 卷: | 17 | 期: | 7 | 來源出版物: | SENSORS-BASEL | 摘要: | We propose two approacheshot-embossing and dielectric-heating nanoimprinting methodsfor low-cost and rapid fabrication of periodic nanostructures. Each nanofabrication process for the imprinted plastic nanostructures is completed within several seconds without the use of release agents and epoxy. Low-cost, large-area, and highly sensitive aluminum nanostructures on A4 size plastic films are fabricated by evaporating aluminum film on hot-embossing nanostructures. The narrowest bandwidth of the Fano resonance is only 2.7 nm in the visible light region. The periodic aluminum nanostructure achieves a figure of merit of 150, and an intensity sensitivity of 29,345%/RIU (refractive index unit). The rapid fabrication is also achieved by using radio-frequency (RF) sensitive plastic films and a commercial RF welding machine. The dielectric-heating, using RF power, takes advantage of the rapid heating/cooling process and lower electric power consumption. The fabricated capped aluminum nanoslit array has a 5 nm Fano linewidth and 490.46 nm/RIU wavelength sensitivity. The biosensing capabilities of the metallic nanostructures are further verified by measuring antigen-antibody interactions using bovine serum albumin (BSA) and anti-BSA. These rapid and high-throughput fabrication methods can benefit low-cost, highly sensitive biosensors and other sensing applications. |
URI: | http://scholars.ntou.edu.tw/handle/123456789/20589 | ISSN: | 1424-8220 | DOI: | 10.3390/s17071548 |
顯示於: | 07 AFFORDABLE & CLEAN ENERGY |
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