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首页> 外文期刊>Japanese journal of applied physics >Degradation prediction using displacement damage dose method for AllnGaP solar cells by changing displacement threshold energy under irradiation with low-energy electrons
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Degradation prediction using displacement damage dose method for AllnGaP solar cells by changing displacement threshold energy under irradiation with low-energy electrons

机译：利用低能电子照射下置换阈值能量，使用偏离损伤剂量方法的劣化预测。

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摘要

Performance degradation prediction for space solar cells under irradiation with low-energy electrons is greatly affected by displacement threshold energy (E-d) when a displacement damage dose (DDD) model is used. According to recent studies, theE(d)of P atoms is much lower than the conventionalE(d)value in InP-type solar cells irradiated with low-energy electrons. This indicates that the value ofE(d)typically used in DDD model leads to significant error in performance degradation prediction. In this study, degradation of AlInGaP solar cells is observed after irradiation with 60-500 keV electrons. The results suggest that theE(d)of P atoms in AlInGaP solar cells is much smaller than the conventionally usedE(d)value. By using the DDD model with theE(d)value obtained in this study (E-d = 3.5 eV for P), we demonstrated that the performance degradation predicted by the DDD model agrees well with the experimental results.
机译：当使用偏移损伤剂量（DDD）模型时，通过位移阈值能量（E-D）在低能量电子的照射下对空间太阳能电池的性能降低预测。根据最近的研究，P原子的THE（D）远低于用低能量电子照射的INP型太阳能电池中的常规（D）值低得多。这表明DDD模型中通常使用的（d）的值导致性能下降预测中的显着误差。在该研究中，用60-500keV电子照射后观察到艾延加太阳能电池的降解。结果表明，Alingap太阳能电池中P原子的THE（D）远小于常规使用的（D）值。通过使用本研究中获得的（D）值的DDD模型（E-D = 3.5 EV为P），我们证明DDD模型预测的性能降解与实验结果很好。

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