Sensitized nonlinear emission of gold nanoparticles | Zendy

M. A. Noginov | Zendy; Guohua Zhu | Zendy; V. I. Gavrilenko | Zendy

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Sensitized nonlinear emission of gold nanoparticles

Author(s) -

M. A. Noginov,

Guohua Zhu,

V. I. Gavrilenko

Publication year - 2007

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.15.015648

Subject(s) - rhodamine 6g , colloidal gold , materials science , nanoparticle , absorption (acoustics) , rhodamine , photochemistry , stokes shift , optics , analytical chemistry (journal) , optoelectronics , nanotechnology , fluorescence , chemistry , physics , chromatography , luminescence , composite material

We have studied Stokes and anti-Stokes emission of Au nanoparticles suspended in pure methanol and methanol solution of rhodamine 6G dye. In the presence of dye, excitation of anti-Stokes emission of gold involves two-photon absorption in rhodamine 6G molecules followed by the energy transfer to Au nanoparticles with simultaneous absorption of one pumping photon by Au. The sensitization by dye molecules caused six-fold enhancement of the anti-Stokes emission of gold nanoparticles.

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