Fe3+-activated near-infrared (NIR) luminescent materials have attracted widespread attention due to their tunable emission wavelength and extensive applications in various fields such as plant growth, food analysis, biomedical imaging, and night vision. Many excellent NIR materials have been developed by introducing non-toxic and environmentally friendly Fe3+ ions into different inorganic hosts. This article elucidates the luminescent properties of Fe3+ ions by combining the Tanabe–Sugano energy level diagram and the configuration coordinate model. The latest research progress on Fe3+-doped NIR luminescent materials is outlined, summarizing the luminescent characteristics of various Fe3+-doped materials, including emission wavelength, emission bandwidth, quantum efficiency, and thermal stability. Particularly, a detailed summary and analysis of the application areas of Fe3+-doped NIR luminescent materials are provided. Finally, the future prospects and challenges faced by Fe3+-doped NIR luminescent materials are presented. This review contributes to a deeper understanding of the luminescence mechanism of Fe3+ and the research progress of iron ion-doped luminescent materials, aiming to develop advanced Fe3+-activated NIR luminescent materials with enhanced performance and explore new application fields.

中文翻译：

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Fe3+激活近红外荧光粉的研究进展

铁3+激活近红外（NIR）发光材料因其发射波长可调谐以及在植物生长、食品分析、生物医学成像、夜视等各个领域的广泛应用而受到广泛关注。通过引入无毒环保的Fe，开发出许多优异的近红外材料3+离子进入不同的无机主体。本文阐明了 Fe 的发光特性3+通过结合 Tanabe-Sugano 能级图和构型坐标模型来计算离子。 Fe的最新研究进展3+概述了掺杂近红外发光材料，总结了各种Fe的发光特性3+-掺杂材料，包括发射波长、发射带宽、量子效率和热稳定性。特别是对铁的应用领域进行了详细的总结和分析3+提供了掺杂的NIR发光材料。最后，铁电未来的前景和面临的挑战3+提出了掺杂近红外发光材料。该综述有助于更深入地了解 Fe 的发光机制3+以及铁离子掺杂发光材料的研究进展，旨在开发先进的铁离子3+-增强性能的活化近红外发光材料并探索新的应用领域。