Ding Jianyan, Wu Quansheng
College of Chemistry & Materials Science, Longyan University, Longyan, Fujian, 364000, China.
Dalton Trans. 2024 Sep 24;53(37):15403-15411. doi: 10.1039/d4dt01818d.
The development of novel narrow-band emitting phosphors with high efficiency and stability is of great significance for WLED backlights. In recent years, the research on Bi-activated narrow-band emitting phosphors has gained significant attention for developing novel phosphors for WLED backlight applications. This Frontiers article presents recent advances in Bi-activated narrow-band emitting phosphors, encompassing their coordination environment and photoluminescence properties. The latest advancements in Bi-activated narrow-band emitting phosphors are categorized into four types based on host materials: germanate, silicate, borate, and other hosts. Additionally, detailed discussions are provided on the challenges associated with developing novel Bi-activated narrow-band emitting phosphors and potential research directions for future work. Overall, the Bi-activated narrow-band emitting phosphors have demonstrated great potential for WLED backlights; however, significant efforts are still required to enhance their comprehensive performance in order to meet practical application requirements.
开发具有高效率和稳定性的新型窄带发射荧光粉对于白光发光二极管(WLED)背光源具有重要意义。近年来,关于铋激活窄带发射荧光粉的研究在开发用于WLED背光源应用的新型荧光粉方面受到了广泛关注。这篇前沿文章介绍了铋激活窄带发射荧光粉的最新进展,包括它们的配位环境和光致发光特性。基于基质材料,铋激活窄带发射荧光粉的最新进展分为四类:锗酸盐、硅酸盐、硼酸盐和其他基质。此外,还详细讨论了开发新型铋激活窄带发射荧光粉所面临的挑战以及未来工作的潜在研究方向。总体而言,铋激活窄带发射荧光粉在WLED背光源方面已展现出巨大潜力;然而,仍需要付出巨大努力来提高其综合性能,以满足实际应用需求。