Numerical conversion efficiency of thermally isolated Seebeck nanoantennas | Zendy

Edgar Briones | Zendy; Carlos Miguel Barber Kuri | Zendy; I.E. Cortes-Mestizo | Zendy; Joel Briones | Zendy; H. Vilchis | Zendy

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Numerical conversion efficiency of thermally isolated Seebeck nanoantennas

Author(s) -

Edgar Briones,

Carlos Miguel Barber Kuri,

I.E. Cortes-Mestizo,

Joel Briones,

H. Vilchis

Publication year - 2016

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.4967949

Subject(s) - materials science , optoelectronics , thermoelectric effect , energy conversion efficiency , seebeck coefficient , energy harvesting , substrate (aquarium) , silicon , thermal , energy transformation , dissipation , thermal conductivity , power (physics) , composite material , physics , oceanography , quantum mechanics , meteorology , thermodynamics , geology

In this letter, we evaluate the conversion efficiency of thermally isolated Seebeck nanoantennas by numerical simulations and discuss their uses and scope for energy harvesting applications. This analysis includes the simple case of titanium-nickel dipoles suspended in air above the substrate by a 200 nm silicon dioxide membrane to isolate the heat dissipation. Results show that substantially thermal gradients are induced along the devices leading to a harvesting efficiency around 10-4 %, 400 % higher than the previously reported Seebeck nanoantennas. In the light of these results, different optimizing strategies should be considered in order to make the Seebeck nanoantennas useful for harvesting applications

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