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The rapid adoption of light emitting diodes technology stems from its high efficiency, long lifespan, and energy-saving capabilities. However, achieving high-quality white light emitting diodes, particularly through the integration of efficient red emitters, remains a significant challenge. This study reports the synthesis of Ca₂La(Ta,Mn)O₆ double perovskite red emitters via high-temperature solid-state reactions. The material exhibits a strong red emission peak at 691 nm, attributed to Mn⁴⁺ ions at symmetrical [TaO₆]⁷⁻ octahedral sites, confirmed by g = 2.008 in electron paramagnetic resonance spectroscopy. The UV excitation spectrum (250–600 nm) and thermal stability were analyzed, showing a retained optical intensity of 41% at 423 K. Additionally, a red emitter was developed, and a noncontact LCC-S wireless power transfer driving system was constructed. The system demonstrated adjustable luminescence under varying input voltages (4–7.3 V) and frequencies (90–110 kHz), highlighting its potential for dynamic lighting applications. These findings suggest Ca2La(Ta,Mn)O6 double perovskite as a promising candidate for indoor lighting and noncontact circuit systems. © 2025 Wiley-VCH GmbH.
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ChemistrySelect
ISSN: 2365-6549
Year: 2025
Issue: 17
Volume: 10
1 . 9 0 0
JCR@2023
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 0
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