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Halide perovskites: when defects do not matter

Ten years ago, the most commonly used silicon semiconductor in photovoltaics gained a strong competitor - organic-inorganic halide perovskites. Since 2012, scientists have been able to increase their photovoltaic efficiency to more than 25 percent, while silicon has been growing to the same level for more than 60 years. How is it possible that these materials have achieved such high efficiencies in such a short time? Thanks to the GA ČR Junior Grant Project, Martin Ledinský succeeded in proving that defects in the structure of these materials do not have a significant impact on their optoelectronic properties, and thus on the efficiency of photovoltaic energy conversion.

The full article can be found on the website of the Institute of Physics here. It is available only in the Czech language.

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