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Analysis of very thin high-efficiency solar cells

: Kray, D.; Kampwerth, H.; Leimenstoll, A.; Glunz, S.W.; Willeke, G.P.

Volltext urn:nbn:de:0011-n-341745 (250 KByte PDF)
MD5 Fingerprint: 63772b41bd8b337daefd131cddfbc668
Erstellt am: 26.10.2012

Kurokawa, K. ; Institute of Electrical and Electronics Engineers -IEEE-:
3rd World Conference on Photovoltaic Energy Conversion 2003. Proceedings. Vol.B : Joint conference of 13th PV Science & Engineering Conference, 30th IEEE PV Specialists Conference, 18th European PV Solar Energy Conference ; Osaka International Congress Center "Grand Cube", Osaka, Japan, 11 - 18 May 2003
Osaka, 2003
ISBN: 4-9901816-1-1
World Conference on Photovoltaic Energy Conversion (WCPEC) <3, 2003, Osaka>
PV Science and Engineering Conference <13, 2003, Osaka>
PV Specialists Conference <30, 2003, Osaka>
European PV Solar Energy Conference <18, 2003, Osaka>
Konferenzbeitrag, Elektronische Publikation
Fraunhofer ISE ()

Recent experimental results of inverted pyramids passivated emitter and rear cells (IP-PERC) of varying thickness down to 63 ?m on FZ and Cz material are presented. The rear side contacts are made conventionally as well as by the laser-fired contacts (LFC) method [1]. The Voc dependence on cell thickness of annealed and degraded Cz is measured. The investigated relationships can be modeled well by PC1D. Thus it is possible to predict the cell performance depending on thickness and bulk diffusion length. The wafers were thinned down from 250 ?m with new equipment (fully automatic infeed grinder) at Fraunhofer ISE labs.