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Room-temperature doping of ytterbium into efficient near-infrared emission CsPbBr1.5Cl1.5 perovskite quantum dots

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Abstract

Herein, we present a two-step method to dope various amounts of Yb into CsPbBr1.5Cl1.5 QDs at room temperature. It is found that the CsPbBr1.5Cl1.5 QDs can exhibit strong ∼990 nm near-infrared (NIR light) emission, and the NIR photoluminescence quantum yield (PLQY) is able to reach ∼90% when 10% Yb is doped in the CsPbBr1.5Cl1.5 QDs.

Graphical abstract: Room-temperature doping of ytterbium into efficient near-infrared emission CsPbBr1.5Cl1.5 perovskite quantum dots

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Supplementary files

Article information


Submitted
14 Feb 2020
Accepted
14 Apr 2020
First published
14 Apr 2020

Chem. Commun., 2020, Advance Article
Article type
Communication

Room-temperature doping of ytterbium into efficient near-infrared emission CsPbBr1.5Cl1.5 perovskite quantum dots

S. Zhao, Y. Zhang and Z. Zang, Chem. Commun., 2020, Advance Article , DOI: 10.1039/D0CC01193B

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