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Surface Enhanced Fluorescence of Rh6G with Gold Nanohole Arrays

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Five gold nanohole arrays with distinct aperture size were fabricated by magnetron sputtering technique. Fluorescence enhancements of Rh6G fluorophore in the close vicinity of gold nanohole arrays were observed. Up to 40 times increase of fluorescence intensity was obtained from gold nanohole arrays as compared with a smooth gold surface control sample. A double-peak curve was presented in the excitation spectrum of enhanced fluorescence emission when the excitation wavelength was scanning from 300 nm to 550 nm. It was found that smaller aperture size and proper excitation wavelength matching with the surface plasmon resonances condition were favorable for a better fluorescence enhancement.
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Document Type: Research Article

Publication date: 2011-11-01

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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