面向紫光激发白光LED的Eu2+/Ce3+掺杂荧光粉数据库

doi:10.15541/jim20250116

无机材料学报 ›› 2026, Vol. 41 ›› Issue (3): 393-400.DOI: 10.15541/jim20250116 CSTR: 32189.14.10.15541/jim20250116

面向紫光激发白光LED的Eu²⁺/Ce³⁺掺杂荧光粉数据库

周子淳¹^,²(), 张翔¹^,², 明辰¹^,², 孙宜阳¹^,²()

1.中国科学院上海硅酸盐研究所, 上海 201899
2.中国科学院大学材料科学与光电工程中心, 北京 100049

收稿日期:2025-03-19 修回日期:2025-04-10 出版日期:2025-04-27 网络出版日期:2025-04-27
通讯作者: 孙宜阳, 研究员. E-mail: yysun@mail.sic.ac.cn
作者简介:周子淳(2000-), 男, 硕士研究生. E-mail: zhouzichun22@mails.ucas.ac.cn

Database of Eu²⁺ and Ce³⁺ Doped Phosphors for Development of Violet-light Excited White LEDs

ZHOU Zichun¹^,²(), ZHANG Xiang¹^,², MING Chen¹^,², SUN Yiyang¹^,²()

1. Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 201899, China
2. Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China

Received:2025-03-19 Revised:2025-04-10 Published:2025-04-27 Online:2025-04-27
Contact: SUN Yiyang, professor. E-mail: yysun@mail.sic.ac.cn
About author:ZHOU Zichun(2000-), male, Master candidate. E-mail: zhouzichun22@mails.ucas.ac.cn
Supported by:
National Key Research and Development Program of China(2021YFB3500501)

摘要/Abstract

摘要：

商用荧光转换白光LED(pc-WLEDs)激发源为蓝光LED, 这一方案存在蓝光危害和显色指数低两大固有缺陷。针对上述技术瓶颈, 学界提出了以400~420 nm波段紫光LED作为激发源的方案。然而, 能够被紫光高效激发的荧光粉目前仍处于开发阶段。为探索新型紫光激发荧光粉, 本研究基于大语言模型构建了一个Eu²⁺和Ce³⁺掺杂荧光粉的数据库。通过系统分析9551篇研究论文, 提取并验证了822组荧光粉数据, 涵盖了元素组成、晶体结构及激发/发射波长等关键参数。研究结果表明: 相比于Ce³⁺掺杂体系, Eu²⁺掺杂荧光粉在紫光激发和红光发射上更具优势, 特别是氮化物和硫化物基质中的Eu²⁺掺杂体系, 在紫光激发上更有潜力。本工作建立的数据库为后续利用人工智能开发新型pc-WLEDs荧光粉提供了重要的数据支持。本文数据集可通过https://doi.org/10.57760/sciencedb.34314访问获取。

关键词: 荧光粉, 紫光LED, 大语言模型, 数据库

Abstract:

Commercial phosphor-converted white LEDs (pc-WLEDs) face two inherent limitations, namely blue light hazard and low color rendering index, due to the use of blue LEDs as excitation source. To address these challenges, violet LEDs are proposed as an alternative solution. Currently, phosphors that can be efficiently excited by violet light (with wavelengths from 400 to 420 nm) remain under development still. In this study, we utilize large language models to construct a comprehensive database of Eu²⁺ and Ce³⁺ doped phosphors for discovering novel violet-excited phosphors. A total of 822 phosphor data entries, including elemental compositions, crystal structures and excitation/emission wavelengths, have been extracted and validated from 9551 research papers. Compared with Ce³⁺ doped phosphors, the Eu²⁺ are in general more suited for violet-excited phosphors, as well as red-emitting phosphors. In particular, Eu²⁺ doped nitrides and sulfides are worth of exploration for violet-excited phosphors. This database is expected to be useful in the future development of phosphors for pc-WLEDs based on artificial intelligence methods. The datasets in this article are listed in Science Data Bank at http://doi.org/10.57760/sciencedb.34314.

Key words: phosphor, violet LED, large language model, database

中图分类号:

TB34

周子淳, 张翔, 明辰, 孙宜阳. 面向紫光激发白光LED的Eu²⁺/Ce³⁺掺杂荧光粉数据库[J]. 无机材料学报, 2026, 41(3): 393-400.

ZHOU Zichun, ZHANG Xiang, MING Chen, SUN Yiyang. Database of Eu²⁺ and Ce³⁺ Doped Phosphors for Development of Violet-light Excited White LEDs[J]. Journal of Inorganic Materials, 2026, 41(3): 393-400.

图/表 5

Fig. 1 Literature analysis for (a) temporal distribution and (b) geographical distribution Colorful figures are available on website

Fig. 2 Overview of data processing workflow and classification of Eu2+ and Ce3+ doped phosphors (a) Flowchart of data mining and preprocessing; (b, c) Pie charts of compound types of (b) Eu2+ and (c) Ce3+ doped phosphors, with the outer rings also showing proportions of violet-excited phosphors in each type Colorful figures are available on website

Fig. 3 Relationship between excitation and emission wavelengths of Eu2+ doped phosphors (a) All compound types; (b) Oxides only; (c) Other four types; (d) Violet-excited phosphors. Note that in (d), the horizontal axis shows the peak positions of selected violet-excited phosphors based on a rule explained in the text

Fig. 4 Relationship between excitation and emission wavelengths of Ce3+ doped phosphors (a) All compound types; (b) Oxides only; (c) Other four types; (d) Violet-excited phosphors. Note that in (d), the horizontal axis shows the peak positions of selected violet-excited phosphors based on a rule explained in the text

Fig. 5 Distributions of (a) excitation and (b) emission wavelengths for Eu2+ and Ce3+ doped phosphors Colorful figures are available on website

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面向紫光激发白光LED的Eu²⁺/Ce³⁺掺杂荧光粉数据库

Database of Eu²⁺ and Ce³⁺ Doped Phosphors for Development of Violet-light Excited White LEDs

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