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Chinese Journal of Luminescence

Chinese Journal of Luminescence Chinese Journal of Luminescence
  • Editor-in-Chief:Fengyi Jiang
  • ISSN:1000-7032
  • eISSN:2097-3195
  • CN:22-1116/O4
  • Supervisor:Chinese Academy of Sciences
  • Sponsor:Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Luminescence Branch of Chinese Physical Society, State Key Laboratory of Luminescence and Applications
  • Publication frequency:Monthly
  • Tel.:0431-86176862
  • E-mail:fgxbt@126.com
  • Address:No.3888 Dong Nanhu Road, Changchun, Jilin, China
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Volume 47 期 5，2026 2026年第47卷第5期

  • Cover Story

    ZHANG Guangqing, SU Ke, LIU Zunqi, LIAO Libing, MEI Lefu

    DOI：10.37188/CJL.20260002
    摘要：Visualization-enabled monitoring under extreme pressure requires luminescent systems that can directly convert pressure variations into a readable and quantifiable spectral shift or color change. Organic luminophores are intrinsically sensitive to molecular packing and the local microenvironment， offering strong potential for pressure-induced color tuning， yet their high-pressure applications are often limited by solid-state aggregation-caused quenching and insufficient stability. Here， anthracene （An） was employed as the emissive unit and confined via an interlayer-intercalation strategy within organo-modified montmorillonite to form An-based composites. As the intercalation ratio increases from 2∶1 to 1∶12， the （001） reflection continuously shifts to lower angles with an expanded basal spacing， indicating effective intercalation and homogeneous dispersion of An， accompanied by a pronounced enhancement in solid-state emission； the confined and hydrophobic interlayer environment further prolongs the emission lifetime. In situ diamond anvil cell measurements show that the 1∶12 composite exhibits a continuous red shift of the emission maximum with a visible color evolution from bluish-violet to yellow upon compression. A strong linear relationship between peak position and pressure is obtained over 1.60-10.1 GPa （R2=0.996）， with partial reversibility during decompression. These results demonstrate that interlayer confinement can simultaneously unlock the piezochromic advantages of organic emitters while suppressing solid-state quenching， providing an effective route toward visualization-enabled fluorescent manometry materials.  
    关键词：Anthracene;organic-inorganic composite materials;pressure sensing   
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  • Invited Paper

    LI Wen, CHEN Chuxin, LI Yunyun, LI Huanying, WU Yuntao

    DOI：10.37188/CJL.20260017
    摘要：Plastic scintillators have been extensively used in the field of radiation detection due to their low cost， good environmental stability， and simple large-scale preparation. Common plastic scintillators generally have insufficient detection efficiency due to their low effective atomic number， which limits their further application in high energy radiation and other fields. There are various methods to introduce materials with high effective atomic number into plastic scintillators. Among them， organic heavy metal compounds， due to their partial properties as organic compounds， can dissolve in polymer matrices， providing a more effective way for plastic scintillators to improve radiation stopping power and detection efficiency. In this work， tris（2，4-pentanedionato）indium（Ⅲ） （In（acac）3） was selected as a dopant， plastic scintillators doped with different concentrations of In（acac）3 were successfully prepared for the first time， and the changes in optical and scintillation properties of plastic scintillators with different doping concentrations were systematically studied. As the doping concentration increases， the effective atomic number and absorption coefficient of the plastic scintillator gradually increase， while the light yield progressively decreases. Among them， mass fraction 3% In（acac）3 doped plastic scintillator achieves an optimal balance between light yield and detection efficiency， resulting in an enhanced gamma count rate.  
    关键词：plastic scintillators;indium compounds;optical properties;scintillation properties   
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  • Editor's Choice

    BA Huaiqiang, XU Xuhui

    DOI：10.37188/CJL.20250299
    摘要：This research， in response to the urgent demand for high-performance near-infrared （NIR） light sources in fields such as tunnel lighting， has successfully developed a BaMg1.072Al9.928O17∶Eu （BMAO∶Eu） NIR phosphor with excellent luminous efficiency and thermal stability， aiming to provide a new material solution for the construction of night vision compatible intelligent lighting systems. BaMg1.072Al9.928O17 （BMAO） has been synthesized by high-temperature solid-state sintering. The material exhibits a NIR emission at 780 nm with an internal quantum efficiency of 55.7%. The NIR emission originated from oxygen vacancy （VO¨） defects is confirmed by introducing Eu3+ ions， changing the sintering atmosphere， and introducing charge compensators. The coupling mechanism of defect-induced charge imbalance， coexistence of reduced valence states， multi-band emission， and energy transfer have been demonstrated. Finally， the NIR pc-LEDs fabricated by combining BMAO∶0.03Eu with a 365 nm ultraviolet chip showed application potential in night vision lighting and biological penetration. The synthesis method of this material provides a reference for guiding the synthesis of fluorescent materials for night vision lighting.  
    关键词：near-infrared;oxygen vacancy;charge compensation;Tunnel Lighting   
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    HE Shixuan, WEI Tongcheng, DAI Pengpeng

    DOI：10.37188/CJL.20250287
    摘要：The development of compact light sources is urgently required for portable near-infrared （NIR） spectrometers. In this context， phosphor-converted light-emitting diodes （pc-LEDs） show great promise. Among various candidates， Cr3+-activated NIR phosphors are considered highly competitive due to their high efficiency and tunable emission. However， most reported Cr3+-activated NIR phosphors suffer from a narrow full width at half maximum （FWHM<150 nm） and a short emission wavelength （λem<750 nm）. In this work， a novel garnet-type NIR phosphor， Na2Lu2Ga4GeO12∶Cr3+ （NLGG∶Cr3+）， was designed and synthesized via a ［Na+-Ge4+］ co-substitution strategy. Under 468 nm blue light excitation， the optimized NLGG∶0.08Cr3+ sample exhibits a broadband emission covering 600-1 100 nm with a peak at 780 nm and a FWHM of 196 nm， achieving an internal quantum efficiency （IQE） of 56% and an external quantum efficiency （EQE） of 22%. Spectral analysis and crystal field calculations confirm that the broadband emission originates from Cr3+ ions occupying a single type of Ga3+ site with an intermediate crystal field strength. The emission peak can be continuously tuned from 742 nm to 790 nm， accompanied by a broadening of the FWHM from 182 nm to 196 nm， by varying the Cr3+ doping concentration. Finally， an NIR pc-LED device fabricated with this phosphor and a blue LED chip demonstrates its potential applications in biomedical imaging， night vision， and non-destructive testing.  
    关键词：Near-infrared phosphor;broadband emission;Cr3+ doping;NIR pc-LED   
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