Improving n-type TOPCon solar cells

Scientists in China have studied the formation of contacts in tunnel-oxide passivated contact (TOPCon) solar cells, and the role of high-temperature annealing processes on the quality and performance of cells. Their findings could open up pathways for scientists looking to squeeze even more efficiency out this rapidly growing cell technology.This year, the silicon PV manufacturing industry has begun to shift toward n-type technologies, largely due to their potential for higher performance compared to today's mainstream p-type PERC cells. A few different n-type technologies exist, but manufacturers ...

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