Optical characterizations of silver nanoprisms embedded in polymer thin film layers

Miriam Carlberg; Florent Pourcin; Olivier Margeat; Judikael Le Rouzo; Gerard Berginc; Rose-Marie Sauvage; Jorg Ackermann; Ludovic Escoubas

doi:10.1117/1.JNP.11.043504

1 March 2017 Optical characterizations of silver nanoprisms embedded in polymer thin film layers

Miriam Carlberg, Florent Pourcin, Olivier Margeat, Judikael Le Rouzo, Gerard Berginc, Rose-Marie Sauvage, Jorg Ackermann, Ludovic Escoubas

Author Affiliations +

Journal of Nanophotonics, Vol. 11, Issue 4, 043504 (March 2017). https://doi.org/10.1117/1.JNP.11.043504

Abstract

The precise control of light–matter interaction has a wide range of applications and is currently driven by the use of nanoparticles (NPs) by the recent advances in nanotechnology. Taking advantage of the material, size, shape, and surrounding media dependence of the optical properties of plasmonic NPs, thin film layers with tunable optical properties are achieved. The NPs are synthesized by wet chemistry and embedded in a polyvinylpyrrolidone (PVP) polymer thin film layer. Spectrophotometer and spectroscopic ellipsometry measurements are coupled to finite-difference time domain numerical modeling to optically characterize the heterogeneous thin film layers. Silver nanoprisms of 10 to 50 nm edge size exhibit high absorption through the visible wavelength range. A simple optical model composed of a Cauchy law and a Lorentz law, accounting for the optical properties of the nonabsorbing polymer and the absorbing property of the nanoprisms, fits the spectroscopic ellipsometry measurements. Knowing the complex optical indices of heterogeneous thin film layers let us design layers of any optical properties.

Citation Download Citation

Miriam Carlberg, Florent Pourcin, Olivier Margeat, Judikael Le Rouzo, Gerard Berginc, Rose-Marie Sauvage, Jorg Ackermann, and Ludovic Escoubas "Optical characterizations of silver nanoprisms embedded in polymer thin film layers," Journal of Nanophotonics 11(4), 043504 (1 March 2017). https://doi.org/10.1117/1.JNP.11.043504

Received: 28 November 2016; Accepted: 8 February 2017; Published: 1 March 2017

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