imec PERC module records 23.9% conversion efficiency

By Kelly Pickerel Imec announced an improvement of its 4 cm2 perovskite/silicon tandem photovoltaic module achieving a power conversion efficiency of 23.9%. Reaching this level, imec is the first to achieve a module-on-cell stack that outperforms the standalone silicon solar cell.
Perovskite solar cells have many desirable properties, as they can achieve a high power conversion efficiency, are inexpensive to produce, and have a high absorption efficiency in sunlight. The material can be engineered to result in various optical and electronic properties. Additionally, perovskite solar cells or modules may also be used to boost standard silicon (Si) solar technology when engineered to absorb a

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