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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 9，2026 2026年第47卷第9期

  • Cover Story

    WANG Naqing, LIN Shisheng, HUANG Feng, CHEN Daqin

    DOI：10.3724/CJL.20260122
    摘要：To address the limitations of conventional rare-earth-doped perovskites， including unidirectional energy transfer， restricted emission modes， and weak interfacial coupling in physically mixed systems， this study reports the fabrication of embedded NaYF4∶Yb，Tm@CsPbBr3 heterostructure nanocrystals， achieving efficient green emission under dual excitation at 365 nm and 980 nm. This system achieves two key advances： first， the establishment of an energy transfer pathway from rare-earth ions to the perovskite， wherein Yb3+ sensitizes Tm3+ under 980 nm near-infrared excitation and efficiently transfers energy to the perovskite emission center via energy level matching； second， the adoption of an embedded hybrid structure that ensures tighter interfacial coupling compared to physical mixtures. Luminescence decay curves and transient absorption （TA） spectroscopy confirm that this architecture suppresses defect-mediated nonradiative recombination and significantly prolongs carrier lifetime. Temperature-dependent PL studies reveal that at 320 K， the heterostructure retains 48% of its emission intensity， markedly higher than 34% for pure CsPbBr3， demonstrating enhanced thermal stability. This design provides a novel strategy for interface engineering and dual-mode emission in rare-earth-doped perovskite composites.  
    关键词：perovskite nanocrystals;rare earth doping;heterostructure;energy transfer   
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    更新时间：2026-09-30

  • Research Highlight

    LIANG Yanjie

    DOI：10.3724/CJL.20260199
    摘要：Phosphor-converted light-emitting diodes （pc-LEDs） based on a “blue GaN chip + short-wave infrared （SWIR） phosphor” architecture offer several advantages， including compact size， low power consumption， broad emission spectra， low cost， and ease of integration. They are therefore regarded as an important technological route toward portable and intelligent SWIR light sources. However， as the emission wavelength is further red-shifted from the near-infrared region to the SWIR region， phosphor materials typically suffer from significantly enhanced multiphonon nonradiative relaxation， leading to reduced external quantum efficiency， deteriorated thermal stability， and insufficient device output power. Recently， Li et al. reported a class of highly efficient Cr3+-doped ternary rare-earth sulfide phosphors， NaLnS2∶Cr3+ （Ln=Lu， Y， Gd）. This study proposes and validates a new paradigm for SWIR luminescence that differs from the conventional crystal-field engineering strategy used in oxide phosphors. Specifically， the strong covalency of the sulfide host induces a pronounced nephelauxetic effect， reducing the effective electron-electron repulsion of Cr3+ 3d electrons and decreasing the energy separation between the 4T2 excited state and the 4A2 ground state， while the low phonon energy and weak electron-phonon coupling of the sulfide lattice suppress nonradiative losses. This synergistic mechanism overcomes the long-standing challenge in Cr3+-doped SWIR phosphors， where long-wavelength emission， high efficiency， and excellent thermal stability have traditionally been difficult to achieve simultaneously.  
    关键词：short-wave infrared luminescence;ternary rare-earth sulfides;Cr3+;phosphor-converted LEDs   
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    更新时间：2026-09-30

  • Invited Paper

    ZHAO Di, LI Huanrong

    DOI：10.3724/CJL.20260064
    摘要：Information security and anti-counterfeiting technologies are essential for financial systems， commodity circulation， and public safety. However， traditional anti-counterfeiting strategies based on single and static optical features are increasingly insufficient against rapidly evolving counterfeiting techniques. Lanthanide metal-organic frameworks （Ln-MOFs）， featuring high brightness， long decay lifetimes， narrow-band emissions， and tunable responses to light， temperature， pH， and other stimuli， have emerged as ideal candidates for constructing multimodal optical security systems. This review summarizes the luminescence mechanisms， structural design principles， and stimulus-responsive regulation strategies of Ln-MOF， and highlights their representative applications in multi-level encrypted labels， dynamic QR codes， and composite anti-counterfeiting platforms. Key challenges related to stability， intelligence， and tapping the potential of pore channels are discussed， and future development directions of Ln-MOFs in advanced anti-counterfeiting and information storage technologies are outlined.  
    关键词：lanthanide metal-organic frameworks;stimulus response;luminescence mechanism;multimodal anti-counterfeiting   
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    更新时间：2026-09-30

    CAO Wei, JIANG Yuan, GUO Junhao, KUMAR Jitender, LIU Yuanyuan, SUN Lining

    DOI：10.3724/CJL.20260113
    摘要：Herein， we designed and synthesized a multifunctional nanocomposite （UCNPs@FMn/ICG， denoted as UMI） that integrates upconversion luminescence imaging with trimodal synergistic therapy. This nanocomposite enables switching between upconversion luminescence imaging and a combined photodynamic （PDT）， photothermal （PTT）， and chemodynamic therapy （CDT） response simply by altering the excitation wavelength. Under 980 nm irradiation， UMI exhibited intense upconversion emission， demonstrating its potential for applications in near-infrared （NIR）-mediated optical imaging. When excited at 808 nm， UMI generated reactive oxygen species for PDT and produced substantial heat for PTT， highlighting highly efficient dual photodynamic and photothermal functions. The PDT performance of UMI was evaluated by the photocatalytic degradation experiment of 1，3-diphenylisobenzofuran （DPBF）. At a concentration of 400 μg·mL-1， UMI rapidly degraded 83.9 % of DPBF within 30 s under 808 nm irradiation （91.0 mW·cm-2）. Simultaneously， it reached a temperature of 43.1 ℃ within 10 min under 560 mW·cm-2 irradiation， achieving a photothermal conversion efficiency of around 43.3 %. Thus， by synergizing pH-activated enzymatic catalysis and NIR-triggered phototherapeutic effects， UMI emerges as a versatile theranostic nanocomposite， paving the way for precise and efficient multimodal treatment guided by upconversion luminescence imaging.  
    关键词：lanthanide;upconversion luminescent nanoparticles;near-infrared excitation;phototherapy   
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    更新时间：2026-09-30
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