Two-Dimensional Electronic Spectroscopy reveals liquid like structural dynamics in semiconductor perovskites

Helene Seiler,Patrick Brosseau,Dallas Strandell,Patanjali Kambhampati

The International Conference on Ultrafast Phenomena (UP) 2022（2022）

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摘要

Two-Dimensional Electronic (2DE) spectroscopy is performed on bulk nanocrystals of semiconductor perovskites of two different classes. The anti-diagonal linewidths reveal liquid like structural dynamics due to ultrafast polaron formation on the 300 fs timescale.

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关键词

semiconductor perovskites,spectroscopy,structural dynamics,two-dimensional

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