PRESENT STATUS OF CADMIUM SULFIDE THIN FILM SOLAR CELLS
MASSACHUSETTS INST OF TECH LEXINGTON LINCOLN LAB
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Cadmium sulfide thin film solar cells, especially selected for stability under ambient conditions, experienced severe degradation in their I-V characteristics when subjected to thermal cycling in vacuum. A number of diagnostic techniques were applied to determine the failure mechanism. These included cross-sectioning, infrared measurements, mechanical stress tests and the measurement of series and shunt resistance. Different types of failure modes are discussed. The results of radiation experiments are summarized.
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