Swiss researchers sought for the first time to replace phenylethylammonium (PEA) with benzodithiophene (BDT) in cations for perovskite cells. The latter showed improved stability and ensured a power conversion efficiency that was 1% higher than that of its counterpart.Researchers at the École Polytechnique Fédérale de Lausanne (EPFL) have built a lead halide perovskite solar cell incorporating an organic cation based on benzodithiophene (BDT), a polymer that shows notable electron donor properties due to its electron-rich p-conjugation system. "Given that the bandgap energy of the quasi-layered ...Den vollständigen Artikel lesen ...
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