21.1% UMG Silicon Solar Cells

We present n-type Czochralski-grown silicon solar cells made from 100% upgraded metallurgical grade silicon feedstock, with an independently certified peak efficiency of 21.1%. We look at the impact of net doping and minority carrier lifetime and mobility on the short-circuit current and the open-ci...

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Veröffentlicht in:	IEEE journal of photovoltaics 2017-01, Vol.7 (1), p.58-61
Hauptverfasser:	Zheng, Peiting, Rougieux, Fiacre Emile, Zhang, Xinyu, Degoulange, Julien, Einhaus, Roland, Rivat, Pascal, Macdonald, Daniel H.
Format:	Artikel
Sprache:	eng
Schlagworte:	Carrier lifetime Charge carrier lifetime Circuits Compensation Czochralski (Cz) Doping Electrical resistance measurement floating zone Metallurgy minority carrier lifetime Minority carriers Open circuit voltage Photovoltaic cells Photovoltaic systems Short circuit currents Silicon Solar cells upgraded metallurgical grade (UMG)
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Beschreibung
Zusammenfassung:	We present n-type Czochralski-grown silicon solar cells made from 100% upgraded metallurgical grade silicon feedstock, with an independently certified peak efficiency of 21.1%. We look at the impact of net doping and minority carrier lifetime and mobility on the short-circuit current and the open-circuit voltage.
ISSN:	2156-3381 2156-3403
DOI:	10.1109/JPHOTOV.2016.2616192