Scientists achieve high efficiency all-polymer solar cells through pincer-shaped, non-covalent bond interactions

https://techxplore.com/news/2024-06-scientists-high-efficiency-polymer-solar.html

"all-perovskite-structured compound solar cells exhibit mechanical flexibility, lightweight, low temperature printing... controlling active layer microstructures, enhancing performance... small molecule solid additives with phenyl alkyl side chains... clamp-shaped multiple non-covalent interactions with polymer acceptors, with additional interactions between polymer endcap and additive's phenyl terminal, enhancing photovoltaic performance and mechanical stability... 19.01% efficiency, 80% fill factor"

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