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Facile and effective synthesis strategy for terbium-doped hydroxyapatite toward photoelectric devices and flexible functional fibers

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Abstract

As a material with good biocompatibility, hydroxyapatite (HAP) can have optical properties after do** with various rare earth ions. As a biocompatible fluorescent material, doped HAP could have broad applications in biological probes, drug delivery, optoelectronic materials, fluorescence anti-counterfeiting, and other aspects. In this paper, we put forward the preparation of HAP doped with terbium (III) ions (Tb3+) by hydrothermal co-precipitation. By controlling the Tb3+ do** content in reaction and the reaction time, the changes in HAP’s structure, morphology, and luminescence properties under different conditions were studied. When the do** amount of Tb3+ reached an optimal value, the dipole-quadrupole would occur and the concentration would be quenched. The control experiment showed that the optimal Tb3+ content was 7.5 × 10–5 mol, which showed the best fluorescence performance. HAP, a non-luminous material, was rarely used in the field of fluorescent anti-counterfeiting and photoelectric devices. We proposed to prepare a luminescent aramid/polyphenylene sulfide (ACFs/PPS) fiber paper and a new light-emitting diode (LED) using the Tb-doped HAP phosphor. The composite sample exhibited an excellent stability and fluorescence performance, which also demonstrated a possibility of HAP applications in anti-counterfeiting and photoelectric. The introduction of Tb3+ dopant HAP was done to give HAP optical properties and broaden the application range of HAP.

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摘要

羟基磷灰石(HAP)是一种具有良好生物相容性的材料，并且在掺杂各种稀土离子后会具有新的光学性质。稀土元素掺杂后的HAP成为一种具有生物相容性的荧光材料，在生物探针、药物传递、光电材料、荧光防伪等方面都具有广阔的应用前景。本文利用水热合成共沉淀法制备稀土铽离子(Tb3+)掺杂的HAP。通过控制反应中Tb3+的掺杂含量和反应时间，研究了不同条件下HAP的结构、形貌和发光性能的变化，当Tb3+的掺杂量达到最大值后会发生偶极-四极作用导致浓度淬灭。对照实验表明，Tb3+的掺杂量为7.5 × 10−5 mol时荧光性能最好。由于HAP本身是一种非发光材料，很少用于荧光防伪和光电器件领域，因此，我们提出了利用Tb掺杂HAP的荧光粉制备发光芳纶/聚苯硫醚(ACFs/PPS)纤维纸和新型发光二极管(LED)。复合后的样品表现出优异的稳定性和荧光性能，这也证明了HAP在防伪领域和光电领域具有良好的应用前景。Tb3+掺杂不仅赋予了HAP新的光学性质，还拓展了HAP的应用范围。

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Acknowledgements

This research was financially supported by the National Natural Science Foundation of China (Nos. 52274273 and 51872269), the Key Laboratory of Testing and Tracing of Rare Earth Products for State Market Regulation (Jiangxi University of Science and Technology) (No. TTREP2022YB04), the Science and Technology Research Project of Hubei Provincial Department of Education (No. B2021091), Key Laboratory for New Textile Materials and Applications of Hubei Province (Wuhan Textile University) (No. FZXCL202107), and the Open Project Program of High-Tech Organic Fibers Key Laboratory of Sichuan Province, and China and National Project Cultivation Plan of Wuhan Textile University. This work was aided by the graduate innovation fund project of Wuhan Textile University. The authors would like to thank Liu Nian and Liu Tianying from Shiyanjia Laboratory (www.shiyanjia.com) for the XPS and SEM characterizations.

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Authors and Affiliations

  1. Hubei Key Laboratory for New Textile Materials and Applications and State Key Laboratory of New Textile Materials and Advanced Processing Technology, School of Materials Science and Engineering, Wuhan Textile University, Wuhan, 430200, China

    **ao-Dong Zhang, Kun Nie, Zi-Yao Hu, Ran-Ran Zhou, **u-Qiang Duan, Song-Jun Yao, Luo-**n Wang, Hua Wang & **ao-Xue Ma

  2. Key Laboratory of Testing and Tracing of Rare Earth Products for State Market Regulation, Jiangxi University of Science and Technology, Ganzhou, 341000, China

    Kun Nie

  3. Hubei Key Laboratory of Plasma Chemistry and Advanced Materials and Key Laboratory of Green Chemical Engineering Process of Ministry of Education, Wuhan Institute of Technology, Wuhan, 430205, China

    Wu-Bin Dai

  4. **angyang Power Supply Company, **angyang, 441000, China

    Song-Song Nie

  5. Engineering Research Center of Ministry of Education for Geological Carbon Storage and Low Carbon Utilization of Resources, Bei**g Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences (Bei**g), Bei**g, 100083, China

    Le-Fu Mei

  6. Department of Chemistry and Biochemistry, University of California Los Angeles, Los Angeles, 90095, USA

    Yi-Yi Yao

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Zhang, XD., Nie, K., Hu, ZY. et al. Facile and effective synthesis strategy for terbium-doped hydroxyapatite toward photoelectric devices and flexible functional fibers. Rare Met. 43, 1713–1723 (2024). https://doi.org/10.1007/s12598-023-02535-2

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