The solid-state reaction method was used to prepare Ce 3+ /Eu 3+ codoped KZnPO 4 phosphors for white light-emitting diodes (W-LEDs).The phase formation of Ce 3+ /Eu 3+ codoped KZnPO 4 was verified by X-ray powder diffraction (XRD) analysis.Under excitation at around 395 nm, red emission corresponding to the 5 D 0 → 7 F 2 transition was observed from Ce 3+ /Eu 3+ codoped KZnPO 4 phosphors.The codoped Ce 3+ in KZnPO 4 :Eu 3+ ,Ce 3+ affects the microstructural symmetry because of different ionic sizes, leading to the different emission properties of KZnPO 4 :Eu 3+ .The codoping method may be efficient for adjusting the luminous characteristics of phosphors.
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Qi et al. (2024) studied this question.
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