Laser-Printed Self-Organized Bimetallic Nanotextures for Multiwavelength Surface Enhanced Photoluminescence

Dmitrii V. Pavlov; Aleksandr A. Kuchmizhak

doi:10.4028/www.scientific.net/DDF.386.191

Paper Titles

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Kinetic Dependencies of the Photorefractive Effect in Lithium Niobate Crystals
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Laser-Printed Self-Organized Bimetallic Nanotextures for Multiwavelength Surface Enhanced Photoluminescence
p.191

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HomeDefect and Diffusion ForumDefect and Diffusion Forum Vol. 386Laser-Printed Self-Organized Bimetallic...

Laser-Printed Self-Organized Bimetallic Nanotextures for Multiwavelength Surface Enhanced Photoluminescence

Abstract:

For biosensorics, photonics, chemistry, etc. there is a need for nanoelements supporting strong plasmonic response over a wide spectral range. In this study, we demonstrate bimetallic self-organized spallative craters fabricated with an inexpensive and high-performance direct femtosecond laser printing on the silver film surface followed by magnetron deposition of the Au nanopatches. Such Au nanopatches allows to extend the plasmonic response of the resulting bimetallic nanotexture over the visible spectral range as well as produce cascaded hierarchical surface nanotopography considerably multiplying the density of electromagnetic hot spots per individual element. The strong plasmonic response is confirmed by supporting finite difference time domain (FDTD) calculations, Red-Green-Blue (RGB) color analysis of the plasmon-mediated scattering as well as by detecting surface-enhanced photoluminescence (SEPL) of the different quantum emitters capping the surface of the bimetallic self-organized textures.

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Periodical:

Defect and Diffusion Forum (Volume 386)

Pages:

191-195

DOI:

https://doi.org/10.4028/www.scientific.net/DDF.386.191

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Online since:

September 2018

Authors:

Dmitrii V. Pavlov*, Aleksandr A. Kuchmizhak

Keywords:

Femtosecond Pulses, Laser Nanostructuring, Multiwavelength Surface-Enhancement Photoluminescence, Red-Green-Blue Color Analysis, Spallative Crater

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* - Corresponding Author

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