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Proceedings Paper

Structural color tuning in a Ag/TiO2 nanoparticle one-dimensional photonic crystal induced by electric field
Author(s): Eduardo Aluicio-Sarduy; Simone Callegari; Diana Gisell Figueroa del Valle; Andrea Desii; Ilka Kriegel; Francesco Scotognella
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Paper Abstract

We present the electric field-induced tuning of the light transmission in a photonic crystal device. The device, with alternating layers of Silver and Titanium dioxide nanoparticles, shows a shift of around 10 nm for an applied voltage of 10 V. An accumulation of charges at the Silver/TiO2 interface due to electric field leads to an increase of the number of charges contributing to the plasma frequency in Silver. This results in a blue shift of the Silver plasmon band, with concomitant blue shift of the photonic band gap as a result of the decrease in the Silver dielectric function.

Paper Details

Date Published: 20 February 2017
PDF: 8 pages
Proc. SPIE 10112, Photonic and Phononic Properties of Engineered Nanostructures VII, 101120Q (20 February 2017); doi: 10.1117/12.2251526
Show Author Affiliations
Eduardo Aluicio-Sarduy, Istituto Italiano di Tecnologia (Italy)
Politecnico di Milano (Italy)
Simone Callegari, Politecnico di Milano (Italy)
Diana Gisell Figueroa del Valle, Istituto Italiano di Tecnologia (Italy)
Politecnico di Milano (Italy)
Andrea Desii, Istituto Italiano di Tecnologia (Italy)
Ilka Kriegel, Istituto Italiano di Tecnologia (Italy)
Francesco Scotognella, Istituto Italiano di Tecnologia (Italy)
Politecnico di Milano (Italy)
Istituto di Fotonica e Nanotecnologie CNR (Italy)


Published in SPIE Proceedings Vol. 10112:
Photonic and Phononic Properties of Engineered Nanostructures VII
Ali Adibi; Shawn-Yu Lin; Axel Scherer, Editor(s)

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