Due to the performances of solar cell is strongly sensitive to temperature, mechanism analysis mainly includes the following three parts: the effects of temperature on forbidden energy gap; the effects of temperature on carriers 'velocity and the effects of temperature on scattering. 太阳电池性能对温度十分敏感,从机理分析出发,主要是温度对禁带宽度的影响,对载流子运动速度的影响和对散射三个方面的影响。