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Rapid optical thermal processing of silicon solar cells



IEEE Electron Devices Society; Institute of Electrical and Electronics Engineers -IEEE-:
Twenty Third IEEE Photovoltaic Specialists Conference 1993. Conference record : Galt House Hotel, Louisville, KY, May 10 - 14, 1993
New York, NY: IEEE, 1993
ISBN: 0-7803-1220-1
ISBN: 0-7803-1221-X
ISBN: 0-7803-1222-8
Photovoltaic Specialists Conference <23, 1993, Louisville/Ky.>
Fraunhofer ISE ()

Rapid thermal processing has been applied to silicon solar cell technology by using large area optical heaters which are suitable for continuous processing. All important processing steps to make solar cells have been realized by RTP methods: spin-on emitters, Al-BSF with low recombination rates and passivating oxides. The influence of the RTP has been investigated for the single steps as well as for a combination of several RTP steps. Although the individual process steps are not optimized yet, solar cells of 16.6% efficiency were fabricated.