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[International Journal] Spectral Tuning of Europium Complex by Competition between Absorption and Scattering of Gold Nanoparticles
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Seong Min Lee , Yun Seon Do , Kyung Cheol Choi
IEEE Transactions on Nanotechnology, September , 2014
Published
vol 13, no 5, pp 939-944
Abstract
We demonstrate that localized surface plasmon resonance supported by gold nanoparticles provides an additional method to control enhancement and quenching dynamics of the radiative transition from rare-earth ions doped optical materials. We show that localized plasmon resonance by gold nanoparticles can selectively enhance electric-dipole like transitions of trivalent europium ion. Through numerical calculations by finite-difference time-domain method, we find that scattering among the interactions for the localized surface plasmon resonance provides enhancement on radiative transitions of trivalent europium ion. We believe these results can be utilized to help extract strong emission from luminescent materials by confined plasmon resonance on nano-scaled structures.
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