Aluminum outdoor garden waterproof lamp solar knowledge: amorphous silicon has better light absorption capacity than crystalline silicon

This means that amorphous silicon can transmit light equivalent to a wavelength of 1.7 eV (about 730 nm), so the amorphous silicon film appears red. Compared to crystalline silicon, the non-silicon spectrum begins to be steeper, even if the film thickness is a few microns. Therefore, the thickness of the general non-silicon film is 100-1/0 of the bulk silicon, which saves resources.