Such a decreasing trend proved that, compared with TMAI and TFAI, TPAI could minimize the nonradiative recombination, since the formed large polarons provide more effective protection for the charge‐carriers across the device.
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Electron-Phonon Interactions Facilitating Large Polaron-Related Charge-Carrier Dynamics for Efficient Perovskite Nanocrystal Solar Cells.
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The sentences
The average exciton lifetime (τ ave ) showed an increasing trend from TMAI to TFAI and then to TPAI, which can be correlated with a reduction of nonradiative recombination.