Solar energy is reaching new heights faster than ever.
in the U.S., perovskites have increased the energy conversion efficiency of solar cells from a meager three percent in 2009 to over 25 percent today.The researchers of the PV Competence Center and the HySPRINT Innovation lab at the HZB worked together to develop a tandem solar cell to break the world record.
The researchers put to work an advanced perovskite composition and combined it with an interface modification that helped reduce the charge carrier recombination losses. The effects of this modification were studied in-depth and then used to design tandem solar cells which also had optical improvements on them.Put together, the improvements made to the design of the solar cell helped it achieve a 32.5 percent energy conversion efficiency, a world record.
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