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arXiv 1108.2877cond-mat.mtrl-sci
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α-Si/多晶硅太阳电池高转换效率和开路电压的模拟

Simulation of High Conversion Efficiency and Open-circuit Voltages Of α-si/poly-silicon Solar Cell

AQing Chen, QingYi Shao

摘要:

为了探索新型高效薄膜多晶硅太阳电池,利用AMPS-1D器件模拟器对P+ α-Si /N+多晶太阳电池进行了成型。为了分析该器件的特性和N+多晶硅层的厚度,在计算中考虑了N+多晶硅层中的杂质浓度和前接触中透明导电氧化物(TCO)的功函数。当N+多晶硅厚度在20 μm ~ 300 μm范围内变化时,其厚度对器件的影响很小。分析了多晶中杂质浓度的影响。结果表明,P+ α-Si /N+多晶太阳电池的开路电压(Voc)很高,达到752 mV,转换效率达到9.44%。因此,在上述最佳参数的基础上,研究P+ α-Si/N+多晶硅形成的器件,对探索高效多晶硅太阳电池具有重要意义。

英文摘要:

The P+ α-Si /N+ polycrystalline solar cell is molded using the AMPS-1D device simulator to explore the new high efficiency thin film poly-silicon solar cell. In order to analyze the characteristics of this device and the thickness of N+ poly-silicon, we consider the impurity concentration in the N+ poly-silicon layer and the work function of transparent conductive oxide (TCO) in front contact in the calculation. The thickness of N+ poly-silicon has little impact on the device when the thickness varies from 20 μm to 300 μm. The effects of impurity concentration in polycrystalline are analyzed. The conclusion is drawn that the open-circuit voltage (Voc) of P+ α-Si /N+ polycrystalline solar cell is very high, reaching 752 mV, and the conversion efficiency reaches 9.44%. Therefore, based on the above optimum parameters the study on the device formed by P+ α-Si/N+ poly-silicon is significant in exploring the high efficiency poly-silicon solar cell.

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