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Theoretical Investigation of Carrier-Selective Contacts Featuring Tunnel Oxides by Means of Numerical Device Simulation

: Steinkemper, H.; Feldmann, F.; Bivour, M.; Hermle, M.

Fulltext ()

Energy Procedia 77 (2015), pp.195-201
ISSN: 1876-6102
International Conference on Crystalline Silicon Photovoltaics (SiliconPV) <5, 2015, Constance>
Conference Paper, Journal Article, Electronic Publication
Fraunhofer ISE ()
Solarzelle; Entwicklung; Charakterisierung; Silicium-Photovoltaik; Herstellung; Analyse; simulation; contact; solar cell; tunneling

Recently, a variety of different n-type Si solar cells with carrier-selective contacts featuring tunnel oxides achieving remarkable cell results has been presented. Theoretical investigations on this topic are rare, especially simulations actually accounting for tunneling through the oxide interlayer. In this work we investigate the influence of different parameters affecting the passivation quality and thus the device performance by means of numerical device simulation. Thereby, a fundamental understanding of solar cells with carrier-selective contacts featuring tunnel oxides is generated which is essential to further develop this promising technology.