Page 45 - 《精细化工》2023年第9期

第 9 期 王 豪，等: 有机掺杂长余辉发光材料的研究进展 ·1893·

图 10 掺杂晶体的静电纺丝原理图，环境光和扫描电子显微镜下研磨晶体（i）和薄膜（ii）的图像（a）；薄膜柔韧性
良好（b）；MDPA:DDF（上）和 MDPA:TPB（下）掺杂晶体薄膜的长余辉发光照片（c） [58]
Fig. 10 Schematic diagram of electrospinning of doped crystals, images of ground crystals (i) and films (ii) under ambient
light and SEM (a); Films with good flexibility (b); Long afterglow luminescence photographs of MDPA:DDF (top)
and MDPA:TPB (bottom) doped crystal films (c) [58]

结果表明，基于有机掺杂的长余辉发光材料， Journal of Inorganic Chemistry (无机化学学报), 2009, 25(8):
1323-1329.
并结合静电纺丝技术，可以开发出具有长余辉发光
[3] CHU Z Q (储志强), LIU D H (刘东华), ZHOU K N (周康宁), et al.
特性的柔性薄膜，拓宽了有机掺杂长余辉发光材料 Research progress and development trend of alkaline earth
的应用范围。 aluminates long-lasting phosphorescent material[J]. Metal Materials
and Metallurgy Engineering (金属材料与冶金工程), 2019, 47(1):
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3 结束语与展望 [4] ZHAO C L, CHEN D H, YUAN Y H, et al. Synthesis of
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Sr 4Al 14O 25:Eu , Dy phosphor nanometer powders by combustion
随着有机长余辉发光材料的迅速发展，具有优 processes and its optical properties[J]. Materials Science and
Engineering: B, 2006, 133(1): 200-204.
异室温磷光性能的材料体系成为当前的研究热点。 [5] CHERNOV V, SALAS-CASTILLO P, DÍAZ-TORRES L A, et al.
相对于共晶体系、杂原子及卤素体系，掺杂体系具 Thermoluminescence and infrared stimulated luminescence in long
3+
2+
2+
3+
persistent monoclinic SrAl 2O 4:Eu , Dy and SrAl 2O 4:Eu , Nd
有制备简单、成本低廉、易于调控等优势，有望成
phosphors[J]. Optical Materials, 2019, 92: 46-52.
为构建高效室温磷光材料的新动力。本文对不同基 [6] XU S, CHEN R F, ZHENG C, et al. Excited state modulation for
质类型的有机掺杂长余辉发光材料的研究进行了综 organic afterglow: Materials and applications[J]. Advanced Materials,
2016, 28(45): 9920-9940.
述，并总结了其在信息加密与防伪、生物成像、柔 [7] WANG C H, LIU Y H, LIU Y. Near-infrared phosphorescent switch
性纤维薄膜领域的应用研究。 of diarylethene phenylpyridinium derivative and cucurbit[8]uril for
cell imaging[J]. Small, 2022, 18(21): 2201821.
近年来，纯有机长余辉材料的种类不断增加，
[8] ZHOU B, YAN D P. Color-tunable persistent luminescence in 1D
材料的发光性能也不断提高，但现有体系仍有待进 zinc-organic halide microcrystals for single-component white light
and temperature-gating optical waveguides[J]. Chemical Science,
一步优化。首先，如何在保证磷光量子产率的前提
2022, 13(25): 7429-7436.
下，最大限度地延长磷光寿命，是目前该领域亟待 [9] GAO R, MEI X, YAN D P, et al. Nano-photosensitizer based on
解决的关键问题；其次，目前多数有机长余辉材料 layered double hydroxide and isophthalic acid for singlet
oxygenation and photodynamic therapy[J]. Nature Communications,
的余辉波长在 600 nm 以下（蓝光、绿光、黄光等）， 2018, 9(1): 2798.
具有长波发射能力的余辉材料研究进展缓慢，因此， [10] XIAO G W, FANG X Y, MA Y J, et al. Multi-mode and dynamic
persistent luminescence from metal cytosine halides through
开发具有优异性能的红光有机长余辉体系具有重要 balancing excited-state proton transfer[J]. Advanced Science, 2022,
意义；最后，由于大多数有机长余辉发光材料主要 9(16): 2200992.
[11] WANG D S, WANG X, XU C, et al. A novel metal-free amorphous
依赖于紫外光激发，这限制了其在生物成像等方面 room-temperature phosphorescent polymer without conjugation[J].
的应用，因此，制备出具有可见光激发特性的有机 Science China Chemistry, 2019, 62(4): 430-433.
[12] XU Q Y, MA L W, LIN X H, et al. Influence of the alkyl side chain
长余辉发光材料至关重要。在此基础上，通过对有机
length on the room-temperature phosphorescence of organic
材料长余辉发光机理的进一步完善，有望开发出性能 copolymers[J]. Chinese Chemical Letters, 2022, 33(6): 2965-2968.
更优，应用范围更广泛的纯有机长余辉发光材料。 [13] MA X (马骧), YE Z Z (叶子湛), YIN K (尹扩). Applications of pure
organic room temperature phosphorescent materials[J]. Fine
Chemicals (精细化工), 2023, 40(3): 497-510.
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