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Ning publishes in Energy and Environmental Science an industrial Figure of Merit allowing to comprehensively rationalize the application potential of novel donor polymers in conjunction with non-fullerene acceptors.

In the manuscript “Analyzing the efficiency, stability and cost potential for fullerene-free organic photovoltaics in one Figure of Merit” Ning effectively combined the prediction of efficiencies with experimentally determined stability data to analyze and forecast the commercial potential of a NFA-based OPV product. Assuming that NFAs dominate the blend near IR absorption, the efficiency limit of OPV devices is predicted to be close to 20% and is found to be insensitive to the donor bandgap. With the excellent photo-stability observed for state-of-the-art NFA-based OPV devices, it is suggested that the corresponding customized donors with promising processing properties, excellent environmental stability and low synthesis complexity be designed as realistic material pairs for large-scale production and commercialization.
Most surprising, the combination of “good old” P3HT with IDTBR was identified as one of the outstanding combinations of industrial products.!divAbstract