Improvement of Luminescent Properties of NaMgBO3∶Ce3+ Phosphors by Compositing YBO3∶Ce3+

DONG Qizheng; ZHANG Wenbo; TIAN Binglong

doi:10.6054/j.jscnun.2022083

Journal of South China Normal University (Natural Science Edition) > 2022 > 54(6): 37-43. > DOI: 10.6054/j.jscnun.2022083

DONG Qizheng, ZHANG Wenbo, TIAN Binglong. Improvement of Luminescent Properties of NaMgBO₃∶Ce³⁺ Phosphors by Compositing YBO₃∶Ce³⁺[J]. Journal of South China Normal University (Natural Science Edition), 2022, 54(6): 37-43. DOI: 10.6054/j.jscnun.2022083

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Improvement of Luminescent Properties of NaMgBO₃∶Ce³⁺ Phosphors by Compositing YBO₃∶Ce³⁺

School of Materials Science and Engineering, Lanzhou University of Technology/State Key Laboratory of Advanced Processing and Recycling of Nonferrous Metals, Lanzhou 730050, China

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Received Date: April 20, 2022
Available Online: February 13, 2023

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Abstract

Abstract

A series of NaMgBO₃∶Ce³⁺/yYBO₃∶Ce³⁺ (composite ratioy=0~0.035, mole ration) phosphors were prepared by a second-phase composite method, and their phase, morphology and optical properties were investigated. When YBO₃∶5%Ce³⁺ was chosen as the complex substrate and composited into the NaMgBO₃∶Ce³⁺ phosphor, the band gap of the sample increased, and the emission intensity of the sample at 464 nm was gradually enhanced with the increase of the YBO₃∶Ce³⁺ composite ratio, and the optimal ratio y was 0.025. Since the emission peak of YBO₃∶Ce³⁺in the range of 380-400 nm overlaps with the NaMgBO₃∶Ce³⁺ excitation peak, and the emission intensity of the composite sample in this range will decrease with the increase of the mass concentration of YBO₃∶Ce³⁺, which proves the existence of energy transfer between YBO₃∶Ce³⁺ and NaMgBO₃∶Ce³⁺. The results show that this phosphor can be a good candidate for cyan filling in full-spectrum illumination.
- Yttrium borate,
- energy transfer,
- composite,
- cyan phosphor

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References (25)

References

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