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Joule-Heating Annealing to Increase Organic Solar Cells Performance: A Comparative Study

Abstract : In this work, we present our results on the influence of post-deposition treatments on the morphology and optical properties of photoactive films made of small molecules and their subsequent effect on the performance of photovoltaic (PV) devices. We have chosen DPP(TBFu)2:PC61BM as a benchmark model system and compared a novel joule-heating annealing (JHA) treatment with the widely used temperature annealing (TA) and solvent annealing (SVA) treatments. Detailed characterization of the morphology of the active layer and the performance of the devices suggests that JHA is a valuable post-treatment technique that provides fast information about the development of domains in the photoactive layer. Finally, in this context, solar cells on flexible indium tin oxide (ITO) substrates, made of polyethylene terephthalate (PET), were fabricated and analyzed.
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Submitted on : Monday, March 14, 2022 - 9:41:37 AM
Last modification on : Tuesday, March 15, 2022 - 3:37:44 AM
Long-term archiving on: : Wednesday, June 15, 2022 - 6:22:35 PM

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Maria Méndez, Daniel Fernández, Aurelien Viterisi, Eugenia Martínez-Ferrero, Emilio Palomares. Joule-Heating Annealing to Increase Organic Solar Cells Performance: A Comparative Study. Applied Sciences, MDPI, 2022, 12 (5), pp.2552. ⟨10.3390/app12052552⟩. ⟨hal-03607579⟩

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