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Conferences > UP > 2016 > UW4A > UW4A.6

Ultrafast Multiexciton Dynamics and Optical Gain Development in Perovskite Semiconductor Nanocrystals

Yanqing Xu, Qi Chen, Bin Li, Chunfeng Zhang, and Min Xiao

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Abstract

We perform ultrafast transient absorption spectroscopy to study the exciton dynamics relevant to optical gain in perovskite CsPbBr3 nanocrystals. We observe amplified spontaneous emission with pump density in the multi-exciton regime with a clear signature of Auger recombination.

© 2016 Optical Society of America

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