Crystalline silicon must be made 200 microns thick to absorb a sufficient amount of sunlight for efficient energy conversion, whereas only 1 micron of the proper amorphous materials is necessary.

• 必须要使晶体硅达到200微米厚，才能吸收足够的阳光进行有效的能量转换，而合适的非结晶体材料只要1微米厚就够了。