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Two arylamine-based hole transporting materials with dihydrodinaphthopentacene (DHDNP) π-linker have been synthesized and tested for perovskite solar cells. The optimized device based on C1 exhibits a PCE of 15.96%, which was reached ~97% with respect to that of spiro-OMeTAD-based device fabricated under similar condition, and surpassing the C2-based cell (12.86%). Chem. Asian J. 2021, 16, 3719-3728.
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