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Single-Shot Transient Absorption of Nascent Perovskite Nanocrystals

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Abstract

Perovskite nanocrystals are measured with single-shot transient absorption during synthesis. The lineshape indicates that carriers in nascent nanocrystals become trapped at the surface, inducing internal electric fields. The evolving lineshape reports surface passivation during synthesis.

© 2020 The Author(s)

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