Working Paper Article Version 1 This version is not peer-reviewed

Comparative Simulations of Conductive Nitrides as alternative Plasmonic Nanostructures for Solar Cells

Version 1 : Received: 17 May 2021 / Approved: 21 May 2021 / Online: 21 May 2021 (09:51:18 CEST)

How to cite: David, C.; Koduvelikulathu, L.J.; Kopecek, R. Comparative Simulations of Conductive Nitrides as alternative Plasmonic Nanostructures for Solar Cells. Preprints 2021, 2021050515 David, C.; Koduvelikulathu, L.J.; Kopecek, R. Comparative Simulations of Conductive Nitrides as alternative Plasmonic Nanostructures for Solar Cells. Preprints 2021, 2021050515

Abstract

Particle layers employing conductive transition metal nitrides have been proposed as possible alternative plasmonic materials for photovoltaic applications due to their reduced losses compared to metal nanostructures. We critically compare the photocurrent gain due to an additional layer made of nanopillars of nitrides with other material classes obtained in an already highly optimized doped c-Si baseline solar cell with accurate doping profile from measurements. A relative photocurrent gain with respect to the baseline cell of on average 5% to 10% is observed, with a few cases achieving around 30% gain. While the local field enhancement is moderate resonances for nitrides spread over the whole UV-VIS range. For some nitrides, the shading effect remains a problem similar as for metals, but others behave more like dielectric scatterers with high photocurrent gain.

Subject Areas

theory and simulation; conductive transition metal nitrides; nanostructures; solar cells

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