The work is important since the solar cells are based on a new operating principle.
2
太阳能电池工作的原理在于高能量的可见光和紫外光能把原子中的电子激发为自由电子。
Solar cells work because visible and ultraviolet light are powerful enough to knock electrons free from atoms.
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摘要：该文主要介绍太阳能电池的PN结构、工作原理、分类和转化效率的提高方法。
Abstract: this paper mainly introduces the PN of solar cell structure, working principle, classification method and improving the efficiency of conversion.
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