Optimizing charge transport and band-offset in silicon heterojunction solar cells: impact of TiO2 contact deposition temperature
Anand Pandey,
Tarun Kumar,
Arnab Mondal
et al.
Abstract:Carrier selective contacts are a primary requirement for fabricating silicon heterojunction solar cells (SHSCs). TiO2 is a prominent carrier selective contact in SHSCs owing to its excellent optoelectronic features such as suitable band offset, work function, and cost-effectiveness. Herein, we fabricated simple SHSCs in an Al/TiO2/p-Si/Ti/Au device configuration. Ultrathin 3 nm TiO2 layers were deposited onto a p-type silicon substrate using the atomic layer deposition method. The deposition temperature of TiO… Show more
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