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Single Exciton Optical Gain in CsPbBr3 Nanocrystals Uncovered by 2D Electronic Spectroscopy

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Abstract

We study the gain mechanism of CsPbBr3 colloidal nanocrystals using 2D electronic spectroscopy. Optical gain in single-exciton regime has been observed in fluence-dependent measurements, indicating the promising potential for applying perovskite nanocrystals in laser technology.

© 2018 The Author(s)

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