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Browse Prior Art Database

Technique for Making Low Cost Si Solar Cell

IP.com Disclosure Number: IPCOM000088537D
Original Publication Date: 1977-Jun-01
Included in the Prior Art Database: 2005-Mar-04
Document File: 2 page(s) / 25K

Publishing Venue

IBM

Related People

Chang, CA: AUTHOR

Abstract

Solar cells can be manufactured by depositing silicon on a graphite substrate having a thin aluminum coating.

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Technique for Making Low Cost Si Solar Cell

Solar cells can be manufactured by depositing silicon on a graphite substrate having a thin aluminum coating.

The aluminum in the deposition rises to the top of the silicon to serve as a Schottky-barrier electrode to the resulting devices.

The aluminum coating is about 200-500 Angstroms, the silicon deposition temperature is around 600 Degrees C and the silicon grain size is above 5-200 Mum.

The process steps are shown in Figs. 1A through 1E.

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