Energy crisis and environmental pollution have becom the principal matter to the modern world economy development, the solar enery can be seen as inexhaustible in supply and always available for use, compared with fossil fuel, solar enery has the special advantages with clean and renewable. The solar cell has become the focous for its ability to convert light into electrocity. CuInSez(CIS) is a kind of direct band gap semiconductor material, its absorption coefficient reached 105, is the highist in s...