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Abstract Intermediate band semiconductors represent an alternative to increasing the efficiency of solar energy converters. However, the experimental results obtained so far do not reflect the expectations. Many factors are… Click to show full abstract
Abstract Intermediate band semiconductors represent an alternative to increasing the efficiency of solar energy converters. However, the experimental results obtained so far do not reflect the expectations. Many factors are unable to explain it. In this work we have removed some of the approximations used for the efficiency evaluation taking into account the occupation of the bands, the inter-band absorption coefficients, and the optical thickness simultaneously. In many cases the results lower the expectations of the maximum efficiencies.
Journal Title: Solar Energy
Year Published: 2019
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