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Narrower efficiency distribution for multicrystalline silicon solar cells by double-side emitter diffusion
Gepubliceerd door: Publicatie datum:
ECN Zonne-energie 1-5-2002
ECN publicatienummer: Publicatie type:
ECN-RX--02-025 Conferentiebijdrage
Aantal pagina's: Volledige tekst:
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Gepresenteerd op: 29th IEEE Photovoltaic Specialists Conference, New Orleans, USA, 20-24 mei 2002.

Multicrystalline silicon solar cells produced with double side emitterdiffusion are compared with single side emitter diffused cells. Double side emitter diffusion yields in improved current and voltage for all materials of four multicrystalline silicon wafer suppliers. Poor quality material improves approximately 3% more than good quality material. This results in a narrower efficiency distribution over all material. NO relation between substitutional carbon concentration, interstitial oxygen concentration and FeB concentration and improved current due to double side diffusion was found.

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