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镧系离子掺杂Li0.9K0.1NbO3荧光粉的多色多模荧光调控及防伪应用

贾朝阳 高当丽 于佳 胡媛媛 柴瑞鹏 庞庆 张翔宇

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镧系离子掺杂Li0.9K0.1NbO3荧光粉的多色多模荧光调控及防伪应用

贾朝阳, 高当丽, 于佳, 胡媛媛, 柴瑞鹏, 庞庆, 张翔宇

Multicolor and multimode luminescence regulation and anti-counterfeiting application of lanthanide ions doped Li0.9K0.1NbO3 phosphors

Jia Chao-Yang, Gao Dang-Li, Yu Jia, Hu Yuan-Yuan, Chai Rui-Peng, Pang Qing, Zhang Xiang-Yu
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  • 多色多模荧光材料在信息安全加密领域具有重要的应用价值, 然而目前多色多模荧光材料的设计合成仍然是一个挑战. 本文采用高温固相法制备了一系列Li1–xKxNbO3:Pr3+/Er3+/Tm3+单掺及双掺荧光粉. 通过X射线衍射仪、扫描电子显微镜、荧光光谱仪以及自搭建的加热装置, 对其结构、形貌、光谱学特性以及热释光性能进行表征. 研究了Li0.9K0.1NbO3基质中Pr3+, Er3+, Tm3+单掺及共掺调控的多色多模荧光特性与上/下转换、余辉和光激励荧光机理. 基于优异的光谱特性, 将三基色荧光粉设计成蝴蝶图案, 采用不同波长光选择激发, 展现了图案和色彩的动态变化, 具有高阶多色多模防伪能力.
    Multicolor and multimode luminescence materials have important applications in the field of information security encryption. However, the design and synthesis of multicolor multimode luminescent materials is still a challenge, and only several materials have been reported. In this paper, a series of single doped and double doped Li1–xKxNbO3:Pr3+/Er3+/Tm3+ phosphors are prepared by high temperature solid state method. The structure, morphology, optical properties and thermoluminescence (TL) spectra are characterized by X-ray diffractometer (XRD), scanning electron microscope (SEM), luminescence spectrometer and self-made heating device. Firstly, the effects of different values of K+ content on the luminescence and trap distribution of LiNbO3 materials are studied. The results show that the ionic lattice is distorted when a small quantity of K+ ions replace Li+. With the addition of K+, the photoluminescence excitation (PLE) spectra monitored emission of 620 nm shows that the ratios of the absorption peaks from matrix (200–310 nm) to absorption peaks from the intrinsic transition of Pr3+ ions 4f→5d (310–430 nm) change significantly, showing a double-peak characteristic. When the concentration of K+ ions is 0.5, the absorption peak from the matrix disappears, which may be due to the phase transition of the matrix lattice caused by excessive K+ ions or the introduction of a large number of defect energy levels into the matrix lattice. Moreover, K+ ion doping can regulate the density and distribution of traps. TL curves show that a small quantity of K+ doping increases the trap density of shallow traps. When a large quantity of K+ is doped, the phase changes of matrix lattice and the defect density decrease. Secondly, the doping of Li0.9K0.1NbO3 matrix by different luminescent centers (Pr3+/Er3+/Tm3+) is studied. The results show that the multicolor luminescence emission in red, blue and green bands and the tunable multimode luminescence (up/down conversion luminescence, afterglow luminescence and photo-stimulated luminescence) are realized by the selective excitation. According to the multicolor and multimode characteristics of the phosphors, a butterfly-shaped anti-counterfeiting pattern is designed. Owing to the different energy level positions of the luminescence centers, dynamic multicolor photoluminescence is realized by selective excitation at different wavelengths. Based on the upconversion luminescence characteristics of Er3+ and the excellent afterglow characteristics of Pr3+ in Li0.9K0.1NbO3 material, the designed anti-counterfeiting pattern shows the dynamic color change and multicolor, multimode high-order anti-counterfeiting application.
      通信作者: 高当丽, gaodangli@163.com
    • 基金项目: 国家自然科学基金(批准号: 11604253, 51672208)和陕西省重点科技创新团队项目(批准号: 2022TD-34)资助的课题.
      Corresponding author: Gao Dang-Li, gaodangli@163.com
    • Funds: Project supported by the National Natural Science Foundation of China (Grant Nos. 11604253, 51672208) and the Key Science and Technology Innovation Team of Shaanxi Province, China (Grant No. 2022TD-34).
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    Gao D L, Ma K W, Wang P, Zhang X Y, Pang Q, Xin H, Zhang Z H, Jiao H 2022 Dalton Trans. 51 553Google Scholar

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    Maurya A, Bahadur A, Dwivedi A, Choudhary A K, Yadav T P, Vishwakarma P K, Rai S B 2018 J. Phys. Chem. Solids 119 228Google Scholar

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    Zhang X Y, Wang M Q, Ding J J, Gao D L, Shi Y H, Song X H 2012 CrystEngComm 14 8357Google Scholar

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    Luo F, Xing J H, Qin Y Y, Gao Z X, Shang F, Chen G H 2022 Ceram. Int. 48 34483Google Scholar

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  • 图 1  (a) 一系列Ln3+掺杂的Li1–xKxNbO3样品的XRD图谱; (b) LiNbO3晶体的结构图; (c), (d) LiNbO3:1% Pr3+和Li0.9K0.1NbO3:1% Pr3+的XRD精修图谱

    Fig. 1.  (a) XRD patterns of a series of Li1–xKxNbO3 samples; (b) crystal structure of LiNbO3; (c), (d) refined XRD spectra of LiNbO3:1% Pr3+ and Li0.9K0.1NbO3:1% Pr3+.

    图 2  Ln3+掺杂系列Li1–xKxNbO3样品的SEM图片和Li0.9K0.1NbO3:Pr3+的EDX能谱图以及元素谱图 (a) LiNbO3:Pr3+; (b) Li0.95K0.05NbO3:Pr3+; (c) Li0.9K0.1NbO3:Pr3+; (d) Li0.9K0.1NbO3:Pr3+, Er3+; (e) Li0.9K0.1NbO3:1% Pr3+荧光粉的EDX能谱图(纵轴表示能谱计数频率); (f) Li0.9K0.1NbO3:1% Pr3+荧光粉的EDX元素谱

    Fig. 2.  SEM images of a series of lanthanide ions doped Li1–xKxNbO3 phosphors and EDX spectra and element mappings of Li0.9K0.1NbO3:Pr3+: (a) LiNbO3:Pr3+; (b) Li0.95K0.05NbO3:Pr3+; (c) Li0.9K0.1NbO3:Pr3+; (d) Li0.9K0.1NbO3:Pr3+, Er3+; (e) EDX spectrum of Li0.9K0.1NbO3:1% Pr3+ phosphors (The vertical axis shows the counting frequency of energy spectrum); (f) EDX elemental mappings of Li0.9K0.1NbO3:1%Pr3+ phosphors.

    图 3  Li1–xKxNbO3:1% Pr3+ (x = 0—0.5)的荧光性能 (a) 激发和发射谱; (b) 紫外预辐照样品的余辉衰减曲线, 内插图为余辉发射谱; (c) Li0.9K0.1NbO3:0.5% Pr3+样品在280 nm辐照6 min后, 重复间断地在980/808 nm激发下的光激励荧光和光激励余辉荧光衰减曲线; (d) TL谱

    Fig. 3.  Luminescence properties of Li1–xKxNbO3:1% Pr3+ (x = 0–0.5) samples: (a) Excitation and emission spectra; (b) afterglow decay curves of UV preirradiated samples, the inset is their afterglow emission spectra; (c) repeated PSL and PSPL decay curve of Li0.9K0.1NbO3:0.5% Pr3+ sample under 980/808 nm excitation, after irradiation at 280 nm for 6 min; (d) TL spectra.

    图 4  Li0.9K0.1NbO3:y% Pr3+ (y = 0.1—1.5)样品的激发、发射谱和余辉衰减曲线 (a) 激发和发射谱; (b) 280 nm紫外灯辐照后的余辉衰减曲线, 内插图为余辉发射谱

    Fig. 4.  Excitation, emission spectra and the afterglow decay curve of Li0.9K0.1NbO3:y% Pr3+ (y = 0.1–1.5) samples: (a) Excitation and emission spectra; (b) afterglow decay curve after 280 nm UV light irradiation and the inset is the afterglow emission spectra.

    图 5  Ln3+掺杂的Li0.9K0.1NbO3激发和发射谱 (a) Pr3+; (b) Er3+; (c) Tm3+; (d) Pr3+, Er3+; (e) Pr3+, Tm3+; (f) Er3+, Tm3+

    Fig. 5.  Excitation and emission spectra of Li0.9K0.1NbO3:Ln3+, therein, Ln3+: (a) Pr3+; (b) Er3+; (c) Tm3+; (d) Pr3+, Er3+; (e) Pr3+, Tm3+; (f) Er3+, Tm3+.

    图 6  Li0.9K0.1NbO3:Pr3+, Er3+和Li0.9K0.1NbO3:Er3+, Tm3+样品在980/808 nm激发下的发射谱

    Fig. 6.  Emission spectra of Li0.9K0.1NbO3:Pr3+, Er3+ and Li0.9K0.1NbO3:Er3+, Tm3+ samples under 980/808 nm excitation.

    图 7  Li0.9K0.1NbO3:Pr3+, Er3+ (或Tm3+)样品的余辉衰减曲线、余辉发射谱、TL谱及余辉机理图 (a) 在280 nm辐照6 min后监控620 nm的余辉衰减曲线, 内插图为余辉发射谱; (b) TL图谱; (c) 多色荧光调控以及红色长余辉的机理图

    Fig. 7.  Afterglow decay curves, afterglow emission spectra, TL spectra and luminescence mechanism diagram of Li0.9K0.1NbO3:Pr3+, Er3+ (or Tm3+) sample: (a) Afterglow decay curve of 620 nm measured after the sample is irradiated at 280 nm for 6 min, the inset is afterglow emission spectra; (b) TL spectra; (c) mechanism diagram of multicolor luminescence regulation and red long afterglow luminescence.

    图 8  利用Li0.9K0.1NbO3:Pr3+, Er3+, Li0.9K0.1NbO3:Pr3+, Tm3+和Li0.9K0.1NbO3:Er3+, Tm3+三色荧光粉丝网印刷的蝴蝶多色多模防伪图案

    Fig. 8.  Multicolor and multimode anti-counterfeiting pattern printed with Li0.9K0.1NbO3:Pr3+, Er3+, Li0.9K0.1NbO3:Pr3+, Tm3+ and Li0.9K0.1NbO3: Er3+, Tm3+ three-primary-color phosphors.

  • [1]

    Liu X M, Chen C, Li S L, Dai Y H, Guo H Q, Tang X H, Xie Y, Yan L S 2016 Inorg. Chem. 55 10383Google Scholar

    [2]

    Tu D, Xu C N, Yoshida A, Fujihala M, Hirotsu J, Zheng X G 2017 Adv. Mater. 29 1606914Google Scholar

    [3]

    Park J, Kim Y J 2017 J. Korean. Ceram. Soc. 54 70Google Scholar

    [4]

    Xue J, Guo Y, Moon B K, Park S H, Jeong J H, Kim J H, Wang L L 2017 Opt. Mater. 66 220Google Scholar

    [5]

    Baran M, Belikov K N, Kissabekova A, Krasnikov A, Lushchik A, Mihokova E, Tsiumra V, Vasylechko L, Zazubovich S, Zhydachevskyy Y 2021 J. Alloy Compd. 859 157800Google Scholar

    [6]

    Weis R S, Gaylord T K 1985 Appl. Phys. A 37 191Google Scholar

    [7]

    Gao D L, Zhang X Y, Zheng H R, Shi P, Li L, Ling Y W 2013 Dalton Trans. 42 1834Google Scholar

    [8]

    Wang Y J, Feng P, Ding S S, Tian S L, Wang Y H 2021 Inorg. Chem. Front. 8 3748Google Scholar

    [9]

    Li M T, Wang X J, Zhu Q, Li J G, Kim B N 2021 J. Mater. Res. Technol. 12 117Google Scholar

    [10]

    Chen Y, Zou J, Shi M M, Yang B B 2020 RSC Adv. 10 13076Google Scholar

    [11]

    Yantake R, Kaiheriman M, Yusufu T, Sidike A 2021 Sci. Rep. 11 5123Google Scholar

    [12]

    Sun H C, Zhu Q, Li J G 2022 Ceram. Int. 48 9640Google Scholar

    [13]

    Gao D L, Ma K W, Wang P, Zhang X Y, Pang Q, Xin H, Zhang Z H, Jiao H 2022 Dalton Trans. 51 553Google Scholar

    [14]

    Maurya A, Bahadur A, Dwivedi A, Choudhary A K, Yadav T P, Vishwakarma P K, Rai S B 2018 J. Phys. Chem. Solids 119 228Google Scholar

    [15]

    Zhang X Y, Wang M Q, Ding J J, Gao D L, Shi Y H, Song X H 2012 CrystEngComm 14 8357Google Scholar

    [16]

    Du P, Sun X, Zhu Q, Li J G 2020 Scripta Mater. 185 140Google Scholar

    [17]

    Sang J K, Zhou J Y, Zhang J C, Zhou H, Li H H, Ci Z P, Peng S L, Wang Z F 2019 ACS Appl. Mater. Interfaces 11 20150Google Scholar

    [18]

    Luo F, Xing J H, Qin Y Y, Gao Z X, Shang F, Chen G H 2022 Ceram. Int. 48 34483Google Scholar

    [19]

    do Carmo F F, do Nascimento J P, Facanha M X, Sales T O, Santos, W Q, Gouveia-Neto A S, Jacinto C, Sombra A S 2018 J. Lumin. 204 676Google Scholar

    [20]

    Zhang J C, Pan C, Zhu Y F, Zhao L Z, He H W, Liu X F, Qiu J R 2018 Adv. Mater. 30 1804644Google Scholar

    [21]

    Sun L L, Wang B, Xing G C, Liang C, Ma W, Yang S C 2023 Chem. Eng. J. 455 140752Google Scholar

    [22]

    Li Y, Gecevicius M, Qiu J R 2016 Chem. Soc. Rev. 45 2090Google Scholar

    [23]

    Liang L L, Chen J Y, Shao K, Qin X, Pan Z F, Liu X G 2023 Nat. Mater. 22 289Google Scholar

    [24]

    李辰琳, 赵习宇, 郭彤, 刘峰, 王笑军, 廖川, 张家骅 2022 物理学报 71 077801Google Scholar

    Li C L, Zhao X Y, Guo T, Liu F, Wang X J, Liao C, Zhang J H 2022 Acta Phys. Sin. 71 077801Google Scholar

    [25]

    Xiong P X, Peng M Y, Qin K X, Xu F F, Xu X Y 2019 Adv. Opt. Mater. 7 1901107Google Scholar

    [26]

    Feng L, Wang Z B, Cao C, Zhang T, Zhang J C, Ci Z P, Zhao Z Y, Wang Y H 2017 J. Rare Earth 35 47Google Scholar

    [27]

    Chen Y F, Spinelli S, Gu Z J, Pan Z W 2022 Chem. Eng. J. 446 137473Google Scholar

    [28]

    Zhang P F, Li N, Wei Z T, Wang Z Q, Gou M W, Zhao L, Chen W B, Qiang Q P 2021 New J. Chem. 45 66Google Scholar

    [29]

    Li L Y, Castaing V, Rytz D, Sontakke A D, Katayama Y, Tanabe S, Peng M Y, Viana B 2019 J. Am. Ceram. Soc. 102 2629Google Scholar

    [30]

    Jia Q N, Zhang Q W, Sun H Q, Li Y, Hao X H 2021 J. Alloys Compd. 873 159852Google Scholar

    [31]

    梁爱华, 王旭升, 李国荣, 郑嘹赢, 江向平, 胡锐 2022 物理学报 71 167801Google Scholar

    Liang A H, Wang X S, Li G R, Zheng L Y, Jiang X P, Hu R 2022 Acta Phys. Sin. 71 167801Google Scholar

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    Gao D L, Gao J, Gao F, Kuang Q Q, Pan Y, Chen Y F, Pan Z W 2021 J. Mater. Chem. C 9 16634Google Scholar

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    Guo H J, Wang Y H, Chen W B, Zeng W, Han S C, Li G, Li Y Y 2015 J. Mater. Chem. C 3 11212Google Scholar

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    Wang C L, Jin Y H, Lü Y, Ju G F, Liu D, Chen L, Li Z Z, Hu Y H 2018 J. Mater. Chem. C 6 6058Google Scholar

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    Fan X T, Xu X H, Yu X, Chen W B, Zhou D C, Qiu J B 2018 Mater. Res. Bull. 99 398Google Scholar

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    Wang Z B, Pei P X, Bai D J, Zhao S S, Ma X Y, Liu W S 2020 Inorg. Chem. Front. 7 2506Google Scholar

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出版历程
  • 收稿日期:  2023-04-03
  • 修回日期:  2023-07-11
  • 上网日期:  2023-09-15
  • 刊出日期:  2023-11-20

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