Non-concentration quenching and energy transfer enhanced green emission in Ca<sub>8</sub>SrGd(PO<sub>4</sub>)<sub>7</sub>:Eu<sup>2+</sup>,Tb<sup>3+</sup> for near-UV white LEDs with a high color rendering index
Shao-Yu Wang, Zeyu Lyu, Lu Zheng, Lixuan Wang, Jianhui Wang, Dashuai Sun, Taixing Tan, Sida Shen, Hongpeng You
Abstract
Approximately 6 times emission enhancement is achieved by the Eu 2+ to Tb 3+ energy transfer in Ca 8 SrTd(PO 4 ) 7 without concentration quenching and the as-prepared phosphor has been used for near-ultraviolet WLEDs with a high color rendering index.
Topics & Concepts
PhosphorMaterials scienceQuenching (fluorescence)Analytical Chemistry (journal)Energy transferEmission spectrumFluorescenceAtomic physicsOpticsSpectral linePhysicsOptoelectronicsChemistryAstronomyChromatographyLuminescence Properties of Advanced MaterialsPerovskite Materials and ApplicationsRadiation Detection and Scintillator Technologies