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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/27090

Title: Surface plasmon effects on two photon luminescence of gold nanorods
Authors: Da-Shin Wang;Fu-Yin Hsu;Chii-Wann Lin
Contributors: NTOU:Institute of Bioscience and Biotechnology
Date: 2009
Issue Date: 2011-10-21T02:22:37Z
Publisher: Optics Express
Abstract: Abstract:Gold nanorods emit strong photoluminescence under two photon excitation; the efficient two photon lumininescence (TPL) arises from the local field enhancement assisted by surface plasmons. The surface plasmon effects on the TPL efficiency and spectrum are investigated by measuring the TPL of gold nanorods with various aspect ratios. A large TPL efficiency is found when incident light wavelength coincides with the longitudinal surface plasmon mode of the gold nanorods. However, the emission spectra of nanorods with various aspect ratios look similar and exhibit modest surface plasmon features, which implies a major non-radiative decay of excited surface plasmons.
Relation: 17(14), pp.11350-11359
URI: http://ntour.ntou.edu.tw/handle/987654321/27090
Appears in Collections:[生命科學暨生物科技學系] 期刊論文

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