A new organic molecule coating on solar cells could lead to more efficient and cost-effective solar panels, achieving efficiencies near 31% by enhancing light management and stability. Credit: SciTechDaily.com
Modifying the surface for more effective textured perovskite/silicon tandem solar cells.
A new generation of solar panels could emerge with the use of a special organic molecule coating on solar cells. According to a research team in the journal Angewandte Chemie, this coating enhances the efficiency of monolithic tandem cells made of silicon and perovskite, while also reducing their cost, as they are manufactured from industrial, microstructured, standard silicon wafers.
In solar cells, light “knocks” electrons out of a semiconductor, leaving behind positively charged “holes.” These two charge carriers are separated from each other and can be collected as current. Tandem cells were developed to better exploit the entire spectrum of sunlight and increase solar cell efficiency.
Tandem cells are made of two different DOI: 10.1002/anie.202407151
The study was funded by the National Natural Science Foundation of China and the Natural Science Foundation of Jiangxi Province.
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