Stable nano-YAG:Ce3+ phosphors for photonic applications (Conference Presentation)

Atul Sontakke; Marie Anne van de Haar; Anne Berends; Federico Montanarella; Vasilii Khanin; Mohamed Tachikirt; Valerio Favale; Mike Krames

doi:10.1117/12.2650658

14 March 2023 Stable nano-YAG:Ce³⁺ phosphors for photonic applications (Conference Presentation)

Atul Sontakke, Marie Anne van de Haar, Anne Berends, Federico Montanarella, Vasilii Khanin, Mohamed Tachikirt, Valerio Favale, Mike Krames

Author Affiliations +

Proceedings Volume PC12441, Light-Emitting Devices, Materials, and Applications XXVII; PC124410R (2023) https://doi.org/10.1117/12.2650658
Event: SPIE OPTO, 2023, San Francisco, California, United States

Abstract

The recent miniaturization of semiconductor light emitting devices (LEDs), such as mini- and micro-LEDs demands stable and efficient down-converting materials with nano-to-submicron dimensions. YAG:Ce, because of its many beneficial properties, is an interesting candidate for these applications when available at the nanoscale. This talk gives an overview of our technologies on achieving stable, well-defined nano-YAG:Ce phosphors with high energy conversion efficiencies. We discuss different synthesis approaches, after treatments and encapsulation technologies, and how these influence the structural and optical properties, and offers nano-YAG:Ce from sub-micron particles down to sizes in the order of ten to 20 nm.

Conference Presentation

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Atul Sontakke, Marie Anne van de Haar, Anne Berends, Federico Montanarella, Vasilii Khanin, Mohamed Tachikirt, Valerio Favale, and Mike Krames "Stable nano-YAG:Ce³⁺ phosphors for photonic applications (Conference Presentation)", Proc. SPIE PC12441, Light-Emitting Devices, Materials, and Applications XXVII, PC124410R (14 March 2023); https://doi.org/10.1117/12.2650658

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KEYWORDS

Photonic nanostructures

Absorption

Energy conversion efficiency

Light emitting diodes

Particles

Laser irradiation

Light sources and illumination

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