Journal
PROGRESS IN PHOTOVOLTAICS
Volume 28, Issue 10, Pages 1034-1044Publisher
WILEY
DOI: 10.1002/pip.3310
Keywords
corona charge; gettering; high efficiency; IBC; ONO; surface passivation
Funding
- Australian Renewable Energy Agency
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This work presents results of a laboratory-scale interdigitated back contact (IBC) solar cell with an independently measured efficiency of 25.0%, featuring open-circuit voltage of 716 mV, short-circuit current of 43.0 mA.cm(-2)and fill factor of 81.0%. Notably, the high efficiency was achieved based on significant improvements resulting from the optimised cell structure, excellent SiO2-SiNx-SiOx(ONO) surface passivation, detailed bulk lifetime management strategy and improved random pyramid texturing. Experimental details and analysis of the individual improvements over prior work are presented in-depth.
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