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Size Dependent Ultra-low Upconverted Lasing Threshold in CsPbBr3 Perovskites Quantum Dots

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Abstract

We report on the size dependent of up-converted lasing threshold for CsPbBr3 perovskite quantum dots, excited via two-photon absorption, showing threshold as low as 1.6 mJ/cm2 under femtosecond excitation.

© 2018 The Author(s)

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