Dancing atoms in perovskite materials provide insi
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Posted On: 11/15/2018 12:50:48 AM
Dancing atoms in perovskite materials provide insight into how solar cells work
A closer look at materials that make up conventional solar cells reveals a nearly rigid arrangement of atoms with little movement. But in hybrid perovskites, a promising class of solar cell materials, the arrangements are more flexible and atoms dance wildly around, an effect that impacts the performance of the solar cells but has been difficult to measure.
In a paper published in the Proceedings of the National Academy of Sciences, an international team of researchers led by the U.S. Department of Energy's SLAC National Accelerator Laboratory has developed a new understanding of those wild dances and how they affect the functioning of perovskite materials. The results could explain why perovskite solar cells are so efficient and aid the quest to design hot-carrier solar cells, a theorized technology that would almost double the efficiency limits of conventional solar cells by converting more sunlight into usable electrical energy.
https://phys.org/news/2018-11-atoms-perovskit...solar.html
A closer look at materials that make up conventional solar cells reveals a nearly rigid arrangement of atoms with little movement. But in hybrid perovskites, a promising class of solar cell materials, the arrangements are more flexible and atoms dance wildly around, an effect that impacts the performance of the solar cells but has been difficult to measure.
In a paper published in the Proceedings of the National Academy of Sciences, an international team of researchers led by the U.S. Department of Energy's SLAC National Accelerator Laboratory has developed a new understanding of those wild dances and how they affect the functioning of perovskite materials. The results could explain why perovskite solar cells are so efficient and aid the quest to design hot-carrier solar cells, a theorized technology that would almost double the efficiency limits of conventional solar cells by converting more sunlight into usable electrical energy.
https://phys.org/news/2018-11-atoms-perovskit...solar.html
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