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A guide to comprehensive phosphor discovery for solid-state lighting
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DOI：10.1038/s41578-023-00605-6.png)
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Abstract
En 中文
Inorganic phosphors have been crucial in enabling energy-efficient, phosphor-converted light-emitting diode (LED) lighting and display technologies. The push to increase the luminous efficacy and improve the colour quality of these lights has led to a surge in reports of different combinations of phosphor host structures and activators, with many claiming that the new materials have transformative properties. This Perspective article outlines the optical property requirements phosphors must meet to impact the field. Additionally, the tools that have been developed to accelerate the discovery of exceptional phosphors that meet these requirements are summarized, including crystal-chemical design rules, proxies, data-driven approaches, first-principles calculations and combinatorial methods. We also highlight open challenges in the field of phosphor discovery. Finally, we discuss the reality that these methods are unlikely to identify a perfect phosphor that satisfies all the requirements. Instead, we propose a workflow for phosphor discovery that prioritizes the properties necessary to produce next-generation phosphor materials. Phosphors are important for optimizing the energy efficiency and colour quality of modern light-emitting diode light bulbs and displays. This Perspective article discusses the optical properties required for a phosphor to be viable for commercialization and the synthetic and data-driven methods that have been developed to accelerate the discovery of phosphor materials with these properties.
Keywords:
GREEN-EMITTING PHOSPHOR
QUANTUM EFFICIENCY
STRUCTURAL DETERMINATION
LUMINESCENCE PROPERTIES
SR2SI5N8EU2+ PHOSPHOR
CRYSTAL-STRUCTURE
COLOR DIFFERENCES
EMISSION
CONVERSION
ENERGY
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