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于太阳光谱的百分之五十，平均吸收系数为500cm，在背面接触处的反射系数为0.8，电池的厚度为10?m。
7-10．考虑一个硅PN结太阳电池，其面积为2cm。若太阳电池掺杂为
1619?3Na?1.7?10cm?3N,d??510cm，且已知?n?10?s，?p?0.5?s，
2?1Dn?9.3cm2/s，Dp?2.5cm2/s及IL?95mA。在室温下：
(1)计算并画出太阳电池的I-V特性曲线； (2)计算开路电压；
(3)确定太阳电池的最大输出功率； （4）计算机解（1）—（3）。
7-11．试列光电二极管和太阳电池的三个主要差别。 参考文献
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