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ECN publicatie: facebook
Titel:
Emitter diffusion using an IR belt furnace
 
Auteur(s):
 
Gepubliceerd door: Publicatie datum:
ECN Zonne-energie 1998
 
ECN publicatienummer: Publicatie type:
ECN-RX--98-031 Artikel wetenschap tijdschrift
 
Aantal pagina's:
6  

Gepubliceerd in: Paper, presented at the 2nd World conference and exhibition on photovoltaic solar energy conversion, Vienna, Austria, 06-10 July (), , , Vol., p.-.

Samenvatting:
A new approach for emitter diffusion in the processing scheme ofmulticrystalline silicon solar cells is presented. An IR heated belt furnace is used to enhance the diffusion process. The diffusion time is decreased by 50% at 935C and 25% at 920C compared with a resistance heated belt furnace which is traditionally used. Similar emitter profiles, cell performances and internal quantum efficiencies can be obtained using an IR heated or a conventional resistance heated belt furnace. This indicates that the material quality of the cells as well as the electrical contact with the cell is not affected by the diffusion process. In addition, the gas atmosphere was varied. Changing from nitrogen, which is conventionally used, to air resulted in comparable emitter profiles and cell characteristics. 5 refs.


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