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Surface Plasmon-Enhanced Photoluminescence of DCJTB by Using Silver Nanoparticle Arrays

Surface Plasmon-Enhanced Photoluminescence of DCJTB by Using Silver Nanoparticle Arrays

Hsiang-Lin Huang, Chen Feng Chou, Shi Hua Shiao, Yi-Cheng Liu, Jian-Jang Huang, Shien Uang Jen, Hai-Pang Chiang

Opt Express. 2013 Sep 9;21 Suppl 5:A901-8.

PMID: 24104584

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 SiO(2) 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 430 nm 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.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP200052706	DCJTB		200052-70-6	Price

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