A CIGS Photovoltaic Sub-Module With Conversion Efficiency Of 18.34 Percent

By putting together the formation technology for high quality light absorption layers and the advanced integration technology that had been developed at an earlier stage, the researchers achieved for the first time a high conversion efficiency, over 18 percent, of a CIGS photovoltaic sub-module. The developed technology is a core elemental technology for the improvement of the conversion efficiency of photovoltaic modules and is applicable to a wide variety of photovoltaic modules including large-area modules and flexible modules. This technology is expected to contribute to the improvement of the conversion efficiency of mass-produced photovoltaic modules, a reduction in power generation costs, and improvements in the functionality of photovoltaic modules.

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