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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/41172

Title: Surface plasmon-enhanced photoluminescence of DCJTB by using silver nanoparticle arrays
Authors: Hsiang-Lin Huang;Chen Feng Chou;Shi Hua Shiao;Yi-Cheng Liu;Jian-Jang Huang;Shien Uang Jen;Hai-Pang Chiang
Contributors: 國立臺灣海洋大學:光電科學研究所
Date: 2013
Issue Date: 2017-02-09T08:23:23Z
Publisher: Optics Express
Abstract: Abstract: It is demonstrated that photoluminescence of DCJTB can be enhanced by surface plasmons occurred in silver nanoparticle arrays on glass substrates fabricated by using nanosphere lithography (NSL) combined with reactive ion etching (RIE). By changing the size of the seed polystyrene nanosphere with fixed thickness of SiO2 film as a buffer layer between silver nanoparticles and fluorescent dye, we systematically studied the interaction between surface plasmons in Ag nanostructures and fluorescent dye by measuring the photoluminescence and time-resolved photoluminescence (TRPL) of the samples. As compared with pure DCJTB, it is observed that PL enhancement as high as 9.4 times and life time shortening from 0.966 ns shortened to 0.63 ns can be achieved with polystyrene nanosphere 430nm in diameter. The physical origin due to plasmonic excitation has been clarified from 3D finite element simulations, as well as the assistance of UV-visible reflectance spectrum.
Relation: 21
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/41172
Appears in Collections:[光電科學研究所] 期刊論文

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