Journal
IEEE JOURNAL OF PHOTOVOLTAICS
Volume 5, Issue 4, Pages 1001-1005Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JPHOTOV.2015.2412453
Keywords
FrontERA; heterojunction; high absorber doping; laser beam-induced current (LBIC); multicrystalline; polycrystalline
Funding
- Globe-Si Project of the Federal Ministry for Economic Affairs and Energy [0325446A]
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We investigate the influence of the barrier type and the absorber doping on the open-circuit voltage of liquid phase-crystallized silicon solar cells on glass. It was found that the use of n-type instead of p-type substrates is the major reason for the recently reported boost of the open-circuit voltage (V-OC) up to values of 656 mV, which is by far exceeding the previously reported V-OC values of crystalline silicon solar cells on glass. Despite the high doping, locally, an internal quantum efficiency of 90% can be achieved. Therewith, efficiencies of 16% and up should be possible.
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