Electrochemically fabricated self-aligned 2-D silver/alumina arrays as reliable SERS sensors

Chen Han Huang, Hsing Ying Lin, Shihtse Chen, Chih Yi Liu, Hsiang-Chen Chui, Yon-Hua Tzeng

研究成果: Article

26 引文 (Scopus)

摘要

A novel SERS sensor for adenine molecules is fabricated electrochemically using an ordered two-dimensional array of self-aligned silver nanoparticles encapsulated by alumina. Silver is electro-deposited on the interior surfaces at the bottom of nano-channels in a porous anodic aluminum oxide (AAO) film. After etching aluminum, the back-end alumina serves as a SERS substrate. SERS enhancement factor greater than 106 is measured by 532 nm illumination. It exhibits robust chemical stability and emits reproducible Raman signals from repetitive uses for eight weeks. The inexpensive mass production process makes this reliable, durable and sensitive plasmon based optical device promising for many applications.

原文English
頁(從 - 到)11441-11450
頁數10
期刊Optics Express
19
發行號12
DOIs
出版狀態Published - 2011 六月 6

指紋

aluminum oxides
silver
sensors
adenines
oxide films
illumination
etching
aluminum
nanoparticles
augmentation
molecules

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

引用此文

Huang, Chen Han ; Lin, Hsing Ying ; Chen, Shihtse ; Liu, Chih Yi ; Chui, Hsiang-Chen ; Tzeng, Yon-Hua. / Electrochemically fabricated self-aligned 2-D silver/alumina arrays as reliable SERS sensors. 於: Optics Express. 2011 ; 卷 19, 編號 12. 頁 11441-11450.
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Electrochemically fabricated self-aligned 2-D silver/alumina arrays as reliable SERS sensors. / Huang, Chen Han; Lin, Hsing Ying; Chen, Shihtse; Liu, Chih Yi; Chui, Hsiang-Chen; Tzeng, Yon-Hua.

於: Optics Express, 卷 19, 編號 12, 06.06.2011, p. 11441-11450.

研究成果: Article

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