Bulk photovoltaic effect in photoconductive metamaterials based on cone-shaped nanoparticles

Sergei V. Zhukovsky; Viktoriia E. Babicheva; Alexander V. Uskov; Igor E. Protsenko; Andrei V. Lavrinenko

doi:10.1117/12.2052442

2 May 2014 Bulk photovoltaic effect in photoconductive metamaterials based on cone-shaped nanoparticles

Sergei V. Zhukovsky, Viktoriia E. Babicheva, Alexander V. Uskov, Igor E. Protsenko, Andrei V. Lavrinenko

Proceedings Volume 9125, Metamaterials IX; 91250W (2014) https://doi.org/10.1117/12.2052442
Event: SPIE Photonics Europe, 2014, Brussels, Belgium

Abstract

Photoelectric properties of metamaterials comprising asymmetrically shaped, similarly oriented metallic nanoparticles embedded in a homogeneous semiconductor matrix are theoretically and numerically studied. The asymmetric shape of the nanoparticles is found to result in the existence of a preferred direction where “hot” photoelectrons are emitted from the nanoparticle surface under the action of the localized plasmonic resonance excited in the nanoparticles. The resulting directional photocurrent flow occurring when nanoparticles are uniformly illuminated by a homogeneous plane wave is the direct analogy of the photogalvanic effect known to exist in naturally occurring non-centrosymmetric media. This plasmonic bulk photovoltaic effect is intermediate between the inner photoelectric effect in bulk media and the outer photoelectric effect at macroscopic interfaces. The results obtained are valuable for characterizing photoemission and photoconductive properties of plasmonic nanostructures. They can find many uses for photodetection-related and photovoltaic applications.

Citation Download Citation

Sergei V. Zhukovsky, Viktoriia E. Babicheva, Alexander V. Uskov, Igor E. Protsenko, and Andrei V. Lavrinenko "Bulk photovoltaic effect in photoconductive metamaterials based on cone-shaped nanoparticles", Proc. SPIE 9125, Metamaterials IX, 91250W (2 May 2014); https://doi.org/10.1117/12.2052442

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KEYWORDS

Nanoparticles

Plasmonics

Metamaterials

Photovoltaics

Particles

Photoelectric effect

Absorption

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