[IEEE 1994 IEEE 1st World Conference on Photovoltaic Energy Conversion - WCPEC (A Joint Conference of PVSC, PVSEC and PSEC) - Waikoloa, HI, USA (5-9 Dec. 1994)] Proceedings of 1994 IEEE 1st World Conference on Photovoltaic Energy Conversion - WCPEC (A Joint Conference of PVSC, PVSEC and PSEC) - Identifying the recombination losses that limit V/sub oc/ in thin silicon solar cells by bifacial spectral response measurements