A novel far-red emitting phosphor activated Ba2LuTaO6:Mn4+: Crystal structure, optical properties and application in plant growth lighting
Source abstract
Abstract
Abstract A new, far-red emitting phosphor Ba2LuTaO6:Mn4+ had been developed for plant growth lighting. The optical and structural property of the phosphor was investigated. Upon 365 nm near-UV excitation, the luminescence of Mn4+ exhibited a broad far-red emission band peaking at about 700 nm. The concentration quenching of Mn4+ luminescence in Ba2LuTaO6 was studied and the optimal Mn4+ doping concentration was experimentally approximately 0.6 %. The mechanism of the thermal stability based on the temperature-dependent PL spectra of Ba2LuTaO6:Mn4+ were demonstrated and this phosphor shows superior thermal behavior. Finally, the Ba2LuTaO6:Mn4+ phosphor and a 400-nm LED chip were employed to produce the LED devices. The results indicate that the Ba2LuTaO6:Mn4+ phosphors showed good potential in plant cultivation LEDs.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Luminescence Properties of Advanced Materials · Perovskite Materials and Applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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