Fabrication of single-crystalline plasmonic nanostructures on transparent and flexible amorphous substrates

被引:0
作者
Tomohiro Mori
Takeshi Mori
Yasuhiro Tanaka
Yoshifumi Suzaki
Kenzo Yamaguchi
机构
[1] Faculty of Engineering,Department of Advanced Materials Science
[2] Kagawa University,undefined
[3] Industrial Technology Center of Wakayama Prefecture,undefined
来源
Scientific Reports | / 7卷
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摘要
A new experimental technique is developed for producing a high-performance single-crystalline Ag nanostructure on transparent and flexible amorphous substrates for use in plasmonic sensors and circuit components. This technique is based on the epitaxial growth of Ag on a (001)-oriented single-crystalline NaCl substrate, which is subsequently dissolved in ultrapure water to allow the Ag film to be transferred onto a wide range of different substrates. Focused ion beam milling is then used to create an Ag nanoarray structure consisting of 200 cuboid nanoparticles with a side length of 160 nm and sharp, precise edges. This array exhibits a strong signal and a sharp peak in plasmonic properties and Raman intensity when compared with a polycrystalline Ag nanoarray.
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