photocathode responsibility

例句：

1. 1.The photocathode is the part of a cathode ray tube that absorbs light and converts it into an electric current.
   光电阴极是阴极射线管的一部分，它吸收光线并将其转换为电流。
2. 2. The photocathode responsible for this process is called the secondary emission region.
   负责这一过程的光电阴极被称为次级发射区域。
3. 3. In the case of a solar cell, the photocathode is the surface layer of the cell that absorbs sunlight and generateselectricity.
   在太阳能电池的情况下，光电阴极是电池的表面层，它吸收阳光并产生电力。