![]() „On the Defect Physics Behind Light and Elevated Temperature– Induced Degradation (LeTID) of Multicrystalline Silicon Solar Cells”, IEEE Journal of Photovoltaics 9, S. ![]() „Influence of dielectric passivation layer thickness on LeTID in multicrystalline silicon”, Conference Proceedings of the 2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC), (2018). „Influence of hydrogen on the regeneration of boron-oxygen related defects in crystalline silicon”, Journal of Applied Physics. ![]() “ Electronically activated boron-oxygen-related recombination centers in crystalline silicon”, Journal of Applied Physics 99, 013701 (2006). „Investigation Of Monocrystalline P-type PERC Cells Featuring The LECO Process And New LECO Paste”, Workshop for Metallization and Interconnection (2020). „Laser Enhanced Contact Optimization – a novel technology for metal-semiconductor- contact optimization for crystalline silicon solar cells”, EU PVSEC, 2CO.13.3 (2020). We claim that a combination of reduced peak firing temperatures with the LECO process leads to a decrease in LeTID sensitivity without any drawbacks in the cells’ efficiencies. Based on these results it is proposed to implement LECO as an approach to decrease the LeTID-sensitivity by combining LECO with modified firing processes. Finally, the variation of the process order of the LECO treatment and the B-O Stabilization Process was analysed and showed no restrictions or differences in the outcome of the solar cell quality or stability. Also, we did not find any indication of LECO influencing the Potential Induced Degradation susceptibility. Furthermore, it is shown that stabilized cells remain stable after the LECO treatment. It was found that the treatment has no significant impact on the Boron-Oxygen related Light Induced Degradation and Light and elevated Temperature Induced Degradation behavior. In this work the influence of the LECO treatment on the typical PERC degradation mechanisms was investigated. ![]()
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