Jun-He Zhou, Ning Wang, Yong-Jia Hu, Ze-Yu Wang, Yang Wei, Hui Wang, Chao Sun, Hong-Shun Sun, Yu-Long Li, Yuan Cai, Yu-Jia Ji, Ling-Ling Ma, Yan-Qing Lu
{"title":"白光二极管用单相高显色NaAlSiO4:Pb2+/Tb3+/Eu3+荧光粉","authors":"Jun-He Zhou, Ning Wang, Yong-Jia Hu, Ze-Yu Wang, Yang Wei, Hui Wang, Chao Sun, Hong-Shun Sun, Yu-Long Li, Yuan Cai, Yu-Jia Ji, Ling-Ling Ma, Yan-Qing Lu","doi":"10.1002/adom.202502170","DOIUrl":null,"url":null,"abstract":"<p>The development of single-phase broadband white-emitting phosphors has emerged as a critical research frontier for advanced solid-state lighting technologies. Herein, the successful synthesis of NaAlSiO<sub>4</sub>:Pb<sup>2+</sup>/Tb<sup>3+</sup>/Eu<sup>3+</sup> phosphors is reported through high-temperature solid-state reactions, achieving tunable multicolor emission and full-spectrum white light via rational energy transfer (ET) engineering. The strategic co-doping scheme enables dual ET pathways—Pb<sup>2+</sup>→Tb<sup>3+</sup> (dipole–dipole) and Pb<sup>2+</sup>→Eu<sup>3+</sup> (dipole–dipole)—mediated by optimal energy level alignment. The optimized NaAlSiO<sub>4</sub>:0.01%Pb<sup>2+</sup>/0.01%Tb<sup>3+</sup>/0.005%Eu<sup>3+</sup> phosphor demonstrates white emission under 271 nm excitation, integrating blue (400 nm, Pb<sup>2+</sup>), green (487/551 nm, Tb<sup>3+</sup>), and red (592-704 nm, Eu<sup>3+</sup>) spectral components. Fabricated white LED devices exhibit superior photometric performance with a color rendering index (CRI) of 93.8 and correlated color temperature (CCT) of 4450 K, representing 30% CRI enhancement and 32% CCT reduction compared to commercial YAG:Ce<sup>3</sup>⁺. This work demonstrates the great potential of NaAlSiO<sub>4</sub>:Pb<sup>2+</sup>/Tb<sup>3+</sup>/Eu<sup>3+</sup> phosphors for use in WLED applications and paves the way for designing high-performance single-matrix phosphors through controlled multi-dopant energy transfer systems.</p>","PeriodicalId":116,"journal":{"name":"Advanced Optical Materials","volume":"13 28","pages":""},"PeriodicalIF":7.2000,"publicationDate":"2025-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"A Single-Phase High-Color-Rendering NaAlSiO4:Pb2+/Tb3+/Eu3+ Phosphor for White Light-Emitting Diodes\",\"authors\":\"Jun-He Zhou, Ning Wang, Yong-Jia Hu, Ze-Yu Wang, Yang Wei, Hui Wang, Chao Sun, Hong-Shun Sun, Yu-Long Li, Yuan Cai, Yu-Jia Ji, Ling-Ling Ma, Yan-Qing Lu\",\"doi\":\"10.1002/adom.202502170\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p>The development of single-phase broadband white-emitting phosphors has emerged as a critical research frontier for advanced solid-state lighting technologies. Herein, the successful synthesis of NaAlSiO<sub>4</sub>:Pb<sup>2+</sup>/Tb<sup>3+</sup>/Eu<sup>3+</sup> phosphors is reported through high-temperature solid-state reactions, achieving tunable multicolor emission and full-spectrum white light via rational energy transfer (ET) engineering. The strategic co-doping scheme enables dual ET pathways—Pb<sup>2+</sup>→Tb<sup>3+</sup> (dipole–dipole) and Pb<sup>2+</sup>→Eu<sup>3+</sup> (dipole–dipole)—mediated by optimal energy level alignment. The optimized NaAlSiO<sub>4</sub>:0.01%Pb<sup>2+</sup>/0.01%Tb<sup>3+</sup>/0.005%Eu<sup>3+</sup> phosphor demonstrates white emission under 271 nm excitation, integrating blue (400 nm, Pb<sup>2+</sup>), green (487/551 nm, Tb<sup>3+</sup>), and red (592-704 nm, Eu<sup>3+</sup>) spectral components. Fabricated white LED devices exhibit superior photometric performance with a color rendering index (CRI) of 93.8 and correlated color temperature (CCT) of 4450 K, representing 30% CRI enhancement and 32% CCT reduction compared to commercial YAG:Ce<sup>3</sup>⁺. This work demonstrates the great potential of NaAlSiO<sub>4</sub>:Pb<sup>2+</sup>/Tb<sup>3+</sup>/Eu<sup>3+</sup> phosphors for use in WLED applications and paves the way for designing high-performance single-matrix phosphors through controlled multi-dopant energy transfer systems.</p>\",\"PeriodicalId\":116,\"journal\":{\"name\":\"Advanced Optical Materials\",\"volume\":\"13 28\",\"pages\":\"\"},\"PeriodicalIF\":7.2000,\"publicationDate\":\"2025-08-11\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Advanced Optical Materials\",\"FirstCategoryId\":\"88\",\"ListUrlMain\":\"https://advanced.onlinelibrary.wiley.com/doi/10.1002/adom.202502170\",\"RegionNum\":2,\"RegionCategory\":\"材料科学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"MATERIALS SCIENCE, MULTIDISCIPLINARY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Advanced Optical Materials","FirstCategoryId":"88","ListUrlMain":"https://advanced.onlinelibrary.wiley.com/doi/10.1002/adom.202502170","RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"MATERIALS SCIENCE, MULTIDISCIPLINARY","Score":null,"Total":0}
A Single-Phase High-Color-Rendering NaAlSiO4:Pb2+/Tb3+/Eu3+ Phosphor for White Light-Emitting Diodes
The development of single-phase broadband white-emitting phosphors has emerged as a critical research frontier for advanced solid-state lighting technologies. Herein, the successful synthesis of NaAlSiO4:Pb2+/Tb3+/Eu3+ phosphors is reported through high-temperature solid-state reactions, achieving tunable multicolor emission and full-spectrum white light via rational energy transfer (ET) engineering. The strategic co-doping scheme enables dual ET pathways—Pb2+→Tb3+ (dipole–dipole) and Pb2+→Eu3+ (dipole–dipole)—mediated by optimal energy level alignment. The optimized NaAlSiO4:0.01%Pb2+/0.01%Tb3+/0.005%Eu3+ phosphor demonstrates white emission under 271 nm excitation, integrating blue (400 nm, Pb2+), green (487/551 nm, Tb3+), and red (592-704 nm, Eu3+) spectral components. Fabricated white LED devices exhibit superior photometric performance with a color rendering index (CRI) of 93.8 and correlated color temperature (CCT) of 4450 K, representing 30% CRI enhancement and 32% CCT reduction compared to commercial YAG:Ce3⁺. This work demonstrates the great potential of NaAlSiO4:Pb2+/Tb3+/Eu3+ phosphors for use in WLED applications and paves the way for designing high-performance single-matrix phosphors through controlled multi-dopant energy transfer systems.
期刊介绍:
Advanced Optical Materials, part of the esteemed Advanced portfolio, is a unique materials science journal concentrating on all facets of light-matter interactions. For over a decade, it has been the preferred optical materials journal for significant discoveries in photonics, plasmonics, metamaterials, and more. The Advanced portfolio from Wiley is a collection of globally respected, high-impact journals that disseminate the best science from established and emerging researchers, aiding them in fulfilling their mission and amplifying the reach of their scientific discoveries.