Abstract
This paper summarizes a six-year research program aimed at preparation and characterization of thin films of the chalcopyrite semiconductor CuInSe 2 suitable for photovoltaic solar cells and other semiconductors devices. The thin film deposition methods used were evaporation, flash evaporation, RF-sputtering and chemical spray pyrolysis. Problems with producing films of reproducible properties by these methods are discussed. Gaps in our knowledge of the dependence of the opto-electronic properties of CuInSe 2 crystals and films on structural defects and other imperfections are pointed out.
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