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9 March 2020 Evaluation of CsPbBr3 nanocrystals for laser cooling (Conference Presentation)
Masaru K. Kuno
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Proceedings Volume 11298, Photonic Heat Engines: Science and Applications II; 112980N (2020) https://doi.org/10.1117/12.2543541
Event: SPIE OPTO, 2020, San Francisco, California, United States
Abstract
CsPbBr3 nanocrystals possess optical properties amenable to achieving verifiable condensed phase laser cooling. This includes near unity emission quantum yields, a high tolerance to defects, and efficient up-conversion. We have previously demonstrated emission QYs that approach unity as well as up-conversion efficiencies that range from ~30% to 75%, depending on sub gap excitation energy. Emission up-conversion is also seen at the individual nanocrystal level. In this presentation, I will discuss our latest results on evaluating CsPbBr3 nanocrystals for the purpose of demonstrating condensed phase laser cooling.
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Masaru K. Kuno "Evaluation of CsPbBr3 nanocrystals for laser cooling (Conference Presentation)", Proc. SPIE 11298, Photonic Heat Engines: Science and Applications II, 112980N (9 March 2020); https://doi.org/10.1117/12.2543541
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KEYWORDS
Nanocrystals
Energy efficiency
Optical properties
Quantum efficiency
Tolerancing
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