Switching on 1.5 μm NIR Light in Erbium Doped CsPbCl3 Perovskite Nanocrystals
Min Zeng a b, Federico Locardi b, Zeger Hens b, Rik Van Deun a, Flavia Artizzu a
a L3–Luminescent Lanthanide Lab, Department of Chemistry, Ghent University, Belgium, Belgium
b Physics and Chemistry of Nanostructures, Ghent University, Belgium, Belgium
Online Conference
Proceedings of Internet Conference for Quantum Dots (iCQD)
Online, Spain, 2020 July 14th - 17th
Organizers: Quinten Akkerman, Raffaella Buonsanti, Zeger Hens and Maksym Kovalenko
Poster, Min Zeng, 098
Publication date: 3rd July 2020

The particularly relevant Er3+ emission at 1.5 μm in the third telecommunication window, of high interest in silicon integrated photonics, has been so far largely neglected in view of the weak emission performance displayed by Er3+-doped CsPbCl3 nanocrystals (NCs). Here, we report an effective strategy to boost the Er3+ 1.5 μm luminescence in CsPbCl3 NCs by introducing an energy bridge: Yb3+ or Mn2+ ions, providing guidance for emission tuning in perovskite NCs.

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