Review of light induced degradation in silicon published today
Although several advances have been made in the characterization and the mitigation of light-induced degradation (LID), industrial silicon solar cells still suffer from different types of light-induced efficiency losses. This review compiles four decades of LID results in both electronic- and solar-grade crystalline silicon. The review focuses on the properties and the defect models of boron-oxygen LID and copper-related LID. Current techniques for LID mitigation are presented in order to reduce cell degradation and separate copper-related LID from boron-oxygen LID. Finally, the review summarizes recent observations of severe LID in modern multicrystalline silicon solar cells.
Open access from the link below until February 11th, 2016.
J. Lindroos and H. Savin, Review of light-induced degradation in crystalline silicon solar cells, Solar Energy Materials and Solar Cells 147, 115 (2016).