Infrared driven hot electron generation and transfer from non-noble metal plasmonic nanocrystals

Dongming Zhou, Xufeng Li, Qiaohui Zhou and Haiming Zhu ()
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Dongming Zhou: Zhejiang University
Xufeng Li: Zhejiang University
Qiaohui Zhou: Zhejiang University
Haiming Zhu: Zhejiang University

Nature Communications, 2020, vol. 11, issue 1, 1-7

Abstract: Abstract Non-noble metal plasmonic materials, e.g. doped semiconductor nanocrystals, compared to their noble metal counterparts, have shown unique advantages, including broadly tunable plasmon frequency (from visible to infrared) and rich surface chemistry. However, the fate and harvesting of hot electrons from these non-noble metal plasmons have been much less explored. Here we report plasmon driven hot electron generation and transfer from plasmonic metal oxide nanocrystals to surface adsorbed molecules by ultrafast transient absorption spectroscopy. We show unambiguously that under infrared light excitation, hot electron transfers in ultrafast timescale (

Date: 2020
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DOI: 10.1038/s41467-020-16833-1

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