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Commercial size multicrytalline silicon solar cell with ion implant emitter

机译:具有离子注入发射器的商业规模多晶硅太阳能电池

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This paper reports on the preliminary results of the first manufacturable ion implanted multicrystalline silicon solar cells with mean efficiency of 16.60%. The best efficiency of 16.83% is demonstrated, which is the highest reported ion implanted 243.4 cm2 multicrystalline silicon solar cell with Al back surface field. A dose of 2.8E15 atom.cm2 at 15-keV was used and annealed at implant anneal similar to the mono crystalline solar cell counterparts. The open circuit voltage of ∼621 mV and the measured internal quantum efficiency (IQE) were similar to multicrystalline cells using POCl3 emitter. This results is very promising and confirms that the bulk lifetime does not degrade during the implant anneal.
机译:本文报道了第一批可制造的离子注入多晶硅太阳能电池的初步结果,平均效率为16.60%。结果表明,最佳效率为16.83%,这是报道的离子注入最高的243.4 cm2的具有Al后表面场的多晶硅太阳能电池。使用剂量为2.8E15原子·cm2(15-keV),并在注入退火中与单晶太阳能电池类似物进行退火。约621 mV的开路电压和测得的内部量子效率(IQE)与使用POCl3发射极的多晶硅电池相似。该结果是非常有希望的,并证实了在植入物退火期间整体寿命不会降低。

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