最新刊期
卷 46 ， 期 11 ， 2025
- “Technology media journalists report: Researchers have designed and synthesized two tetrasubstituted carbazole derivatives TBICz and TOXDCz, which possess twist skeletons and exhibit excellent thermal and morphological stabilities. Utilizing these novel compounds as host materials, high efficiency solution-processed green phosphorescent organic light-emitting diodes (PhOLEDs) have been achieved. The best EL performance is achieved for the TBICz-based device, with a maximum current efficiency of 27.3 cd/A, a maximum power efficiency of 15.9 lm/W, and a maximum external quantum efficiency of 7.8%, which provides more host material options for solution-processed OLEDs.”摘要：Two tetrasubstituted carbazole derivatives TBICz and TOXDCz have been designed and synthesized， which possess the twist skeletons and exhibit excellent thermal and morphological stabilities. Utilizing these novel compounds as host material， high efficiency solution-processed green phosphorescent organic light-emitting diodes （PhOLEDs） have been achieved. The high triplet energies of TBICz and TOXDCz ensure efficient energy transfer from the host to the phosphor and triplet exciton confinement on the phosphor. Solution-processable green phosphorescent devices employing Ir（ppy）3 as guest and the two tetrasubstituted carbazole derivatives as hosts exhibit high efficiencies. The best EL performance is achieved for the TBICz-based device， with a maximum current efficiency of 27.3 cd/A， a maximum power efficiency of 15.9 lm/W， and a maximum external quantum efficiency of 7.8%， which provides more host material options for solution-processed OLEDs.关键词：tetrasubstituted carbazole derivatives;green phosphorescent organic light-emitting diodes;solution-processed;bipolar host390|333|0更新时间：2025-12-15
Cover Story
- “铜（Ⅰ）基卤化物材料在光电器件领域备受关注，通过结构调控提升稳定性和环境适应性，有效解决铅基钙钛矿材料的毒性及不稳定性问题。”摘要：As an emerging class of lead-free optoelectronic materials， copper（Ⅰ）-based halides materials have garnered significant attention in the field of optoelectronic devices due to their unique physicochemical properties， abundant structural diversity， and excellent optoelectronic performance. This review systematically summarizes the latest research progress on copper（Ⅰ）-based halides materials， starting from crystal structure design to in-depth discussions on their electronic characteristics， optical properties， and controllable synthesis strategies. Studies reveal that through structural modulation （e.g.， A-site cation selection， halogen composition optimization）， copper（Ⅰ）-based halides materials not only inherit the high photoluminescence quantum yield and spectral tunability of lead-based perovskites， but also significantly enhance material stability and environmental adaptability， effectively addressing the toxicity and instability issues of lead-based counterparts. The broadband emission characteristics are widely attributed to the self-trapped exciton luminescence mechanism， manifested by large Stokes shifts， long photoluminescence lifetime， and strong exciton-phonon coupling. This review introduces synthesis techniques for single crystals， nanocrystals， and thin films， and highlights breakthroughs in optoelectronic applications such as light-emitting diodes （LEDs）， photodetectors， and X-ray scintillators. For instance， the external quantum efficiency of green LEDs based on copper（Ⅰ）-based halide materials has exceeded 13%， deep-ultraviolet-sensitive photodetectors based on Cs3Cu2I5 thin films demonstrate a high photo-responsivity of 17.8 A·W-1， and Cs3Cu2I5 scintillators exhibit a light yield of 79 279 photons per MeV. Looking ahead， by precisely modulating material dimensionality， optimizing device interface engineering， and exploring novel application scenarios， copper（Ⅰ）-based halides are poised to advance optoelectronic devices toward high efficiency， environmental sustainability， and multifunctional integration.关键词：Copper（Ⅰ）-based halides materials;Structural modulation;Self-trapped exciton emission;optoelectronic devices;Lead-free materials1100|413|0更新时间：2025-12-15
- “微型发光二极管全彩显示技术研究取得新进展，量子点图案化技术为全彩化提供低成本方案，为新型显示技术发展奠定基础。”摘要：Micro light emitting diode （Micro-LED） display technology is considered a promising candidate for the next generation display technologies due to its excellent comprehensive performance. Quantum dot （QD） color conversion scheme provides a low-cost design solution for full-color Micro-LED display technology and has received widespread attention and research in recent years. In addition to the synthesis of high-quality QD materials， microscale integration of QDs through reliable patterning technology is also the key to building color conversion Micro-LED full-color display devices. This paper provides a systematic overview of QD patterning techniques for Micro-LED full-color displays， including inkjet printing， photolithography， electrophoretic deposition， transfer printing， microfluidic technology， microporous filling， and laser processing. Meanwhile， this paper also discusses the performance of QD color conversion layers prepared by the above technologies and the corresponding Micro-LED devices. Finally， this paper explores the challenges and future research directions faced by QD patterning technologies in Micro-LED full-color display applications.关键词：quantum dot;patterning;micro-LED;full-color displays351|197|0更新时间：2025-12-15
- “螺旋莫尔材料研究取得新进展，为强关联物理现象探索和新型量子电子器件开发提供新平台。”摘要：The periodic superlattice structure present in Moiré materials is a natural artificial quantum system. Different from the conventional superlattice structure formed by vertical stacking of layers， the spiral Moiré superlattice breaks the interlayer barriers and breaks through the structural limitations of the vertically stacked system， which brings unique electronic energy band structure and novel properties， and enables it to show great potential in the fields of condensed matter physics， optoelectronics， and materials science. Currently， the study of spiral Moiré superlattice is developing towards richer material systems， more variable interlayer angles and wider application of properties. This opens up new paths for probing light-matter interactions and developing new semiconductor devices. In this review， we summarize the current preparation methods（e.g.， chemical vapor deposition， liquid phase method）of spiral Moiré superlattice materials from the growth mechanism driven by spiral dislocations， discuss in detail the effects of the number of spiral dislocations， dislocation angle， and the substrate on the spiral structure， summarize a variety of novel properties found in the experiments， including the mechanical strain， optical response， electron transport， and catalytic properties. And finally， we provide a summary of the material’s development， current status， and outlook the challenges.关键词：2D Spiral Materials;moiré superlattice;transition metal dichalcogenides228|167|0更新时间：2025-12-15
Invited Review
- “在电致发光材料领域，研究人员采用金属配位协同末端受体位阻策略，成功构筑了一种新型螺手性电致发光材料外消旋体，并制备出光学纯异构体。实验结果表明，该配合物具有优异的热稳定性和深红光/近红外发光特性，制备的手性异构体展现出强烈的圆偏振电致发光性能。相关工作为高效深红光/近红外发光材料及手性电致发光器件的开发提供了新思路。”摘要：In this work， spiro-chiral electroluminescent emitter （Pt-TPA-δ-Cbl） was constructed via a steric hindrance strategy at the terminal acceptor of a tetradentate Pt（Ⅱ） coordination system. Optically pure enantiomers （P-Pt-TPA-δ-Cbl and M-Pt-TPA-δ-Cbl） were successfully isolated through chiral chromatographic separation. The molecular structures， photophysical properties， and device performance were systematically investigated using combined theoretical and experimental approaches， elucidating structure-property relationships. The complexes exhibit excellent thermal stability （decomposition temperature > 450 ℃） and intense deep red/near-infrared （DR/NIR） emission （λem=698 nm）. Remarkably， the chiral enantiomers demonstrate strong circularly polarized photoluminescence （CPL） in both solution and thin-film states， with photoluminescence dissymmetry factors （|gPL|） reaching 10-3. Vacuum-deposited devices achieve NIR electroluminescence at 685 nm， delivering a maximum external quantum efficiency （EQEmax） of over 17.6%， ranking among the highest reported values for Pt（Ⅱ）-based deep-red/NIR electroluminescent systems. The solution-processed circularly polarized phosphorescent organic light emitting diodes （CP-OLEDs） exhibit an electroluminescence dissymmetry factor （|gEL|） of ~10-4. This work provides a strategic design paradigm and theoretical foundation for developing high-performance deep-red/NIR luminescent materials and chiral electroluminescent devices.关键词：Pt complexes;circularly polarized luminescence;Spiro-chirality;Deep-red to near-infrared （NIR）280|182|0更新时间：2025-12-15
- “在发光材料领域，研究人员开发了具有热激子性质的ESIPT橙光材料HBT-TPA，制备的OLED器件展现出高效激子利用率。”摘要：An orange-emitting excited-state intramolecular proton transfer （ESIPT） fluorophore， HBT-TPA has been developed， exhibiting hot exciton character. This material utilizes 2-（2'-hydroxyphenyl）benzothiazole （HBT） as the ESIPT unit， modified with the strong electron-donating group of triphenylamine， enabling the emitter some charge transfer characteristics. This results in the excited states of its enol and keto isomers both exhibiting hybridized local and charge transfer （HLCT） characters. The OLED based on the HBT-TPA emitter presented prominent orange emission， with its electroluminescent （EL） spectrum peaking at 576 nm， corresponding to Commission Internationale de l'Éclairage （CIE） coordinates of （0.500 7±0.001 6，0.488 3±0.000 8）. The device achieved a maximum external quantum efficiency （EQE） and current efficiency （CE） of 2.0% and 5.0 cd/A， respectively. Notably， the exciton utilization efficiency of the device reaches 29.3%-43.9%， owing to hot exciton mechanism via high-lying reverse intersystem crossing （hRISC） in the keto tautomer of HBT-TPA.关键词：organic light-emitting diodes;excited-state intramolecular proton transfer;hot exciton;reverse intersystem crossing227|196|0更新时间：2025-12-15
- “钙钛矿太阳能电池性能受限于表面缺陷，研究者采用真空热蒸发法引入LiF中间层，有效钝化缺陷，提升光电转换效率至22.33%，为高效稳定钙钛矿太阳能电池开发提供新思路。”摘要：Perovskite solar cells （PSCs） demonstrate outstanding photoelectric conversion efficiency （PCE）， yet their performance remains constrained by surface defects at the perovskite/electron transport layer （ETL） interface， which significantly impede electron transport. This study innovatively introduces a LiF interlayer between perovskite and ETL through vacuum thermal evaporation. The research reveals that F- in LiF chemically interacts with uncoordinated Pb2+ defects on the perovskite surface， forming stable Pb—F bonds that effectively passivate surface defects. This strategy enhances the film’s surface morphology and substantially improves interfacial electron transport efficiency. Experimental results show that LiF-passivated PSCs achieve a PCE increase from 21.21% to 22.33%， accompanied by significantly reduced hysteresis index（HI）. During accelerated aging tests at 60 ℃， LiF-modified devices exhibit exceptional stability， retaining 85% of their initial efficiency after 820 h of aging. This simple， reliable， and scalable interfacial engineering strategy provides new insights for developing high-efficiency and stable PSCs.关键词：perovskite solar cells;vacuum thermal evaporation;interfacial defect passivation295|187|0更新时间：2025-12-15
Editor's Choice
- “在发光材料领域，研究人员通过高温固相法合成了高热稳定性的紫光激发深红光荧光粉，成功提高白光LED显色指数和降低色温。”摘要：A series of violet excited deep red phosphors La2MgRO6.5∶xSm3+ （R=Nb， Ta， x=0-0.07） were synthesized via the high-temperature solid-state method. The regulatory effects of synthesis temperature and flux type on phase composition were systematically investigated. Furthermore， the luminescence properties were comprehensively characterized through excitation/emission spectra， lifetime decay analysis， and temperature-dependent luminescence spectroscopy. Under 407 nm violet excitation， the phosphor exhibits intense deep-red emission with a dominant emission peak at 650 nm within the deep-red spectral region. Thermal stability investigations reveal exceptional thermal quenching resistance， retaining 95% of its room-temperature emission intensity at 393 K. The aging test results under 85 ℃ and 85% relative humidity conditions show that the prepared samples have good chemical stability. Ultimately， through strategic incorporation of the prepared La2MgRO6.5∶Sm3+ （R=Nb， Ta） deep-red phosphor into WLED devices fabricated with a 410 nm violet chip and commercial blue/green/red phosphors， significant performance enhancements were achieved. The color rendering index improved from 89.2 to 94.4/93.6， while the correlated color temperature decreased from 4 762 K to 3 680 K/3 425 K， yielding high-quality white LED.关键词：Violet-excited;High thermal stability;Sm3+-doped;Deep red phosphors264|78|0更新时间：2025-12-15
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Luminescent Properties of High-efficiency Blue Phosphor Sr3B2O6∶Bi3+ for Full-spectrum Lighting 增强出版 AI导读
“全光谱照明技术取得新突破，成功合成高效稳定蓝色荧光粉，为全光谱照明技术发展提供材料基础。”摘要：The full-spectrum lighting technology aims to address the deficiencies of existing white light-emitting diodes （LEDs）， such as high correlated color temperature and insufficient color rendering index. The development of low-cost， efficient and stable non-rare-earth blue phosphors that can be excited by the near-ultraviolet has been an important research topic. In this study， a series of Sr3B2O6∶Bi3+ blue phosphors were successfully synthesized through the high-temperature solid-phase method. The experimental results show that when the optimal doping concentration of Bi³⁺ is 0.02%， this material exhibits blue light emission characteristics under the excitation of near-ultraviolet light at 365 nm. Its emission peak is located at 450 nm， and the full width at half maximum is 69.4 nm. The quantum yield of the blue phosphors is 42.6%， and the emission intensity at 423 K can be maintained at 80.29% at room temperature， showing excellent thermal stability. Based on the encapsulation of commercial green phosphor （Ba，Sr）2SiO4∶Eu2+ and nitride red phosphor CaAlSiN3∶Eu2+， a full-spectrum white LED device was prepared. Under a driving current of 20 mA， it exhibits low correlated color temperature（CCT=5 684 K） and high color rendering index（Ra=92.9）. The research shows that this blue phosphor has significant application potential in full-spectrum lighting technology and provides a solid material foundation for the development of related technologies.关键词：full-spectrum illumination;Bi³⁺ doped;borate;blue phosphor316|109|0更新时间：2025-12-15 - “最新研究发现，Y₂GeO₅∶Cr4+荧光粉在无损检测领域具有潜在应用前景。”摘要：Due to the widespread applications of near-infrared （NIR） light in medical diagnosis， food inspection， and biological detection， the demand for broadband long-wavelength fluorescent powders in the NIR-Ⅱ region has become increasingly urgent. In this work， a series of Y₂GeO₅∶Cr4+ （YG∶Cr4+） broadband NIR-Ⅱ phosphors were successfully synthesized via a high-temperature solid-state method. At the optimal Cr doping concentration， the synthesized YG∶0.7%Cr4+ NIR-Ⅱ phosphor exhibited broadband NIR-Ⅱ emission peaking at 1 330 nm under 469 nm blue light excitation， demonstrating an emission bandwidth of 267 nm in full-width-at-half-maximum （FWHM）. Crystal structure analysis and spectroscopic characterization， combined with low-temperature emission/excitation spectra， confirmed that the broadband NIR-Ⅱ emission originates from the spin-allowed 3T2→3A2 transition of Cr4+ ions occupying Ge4+ lattice sites. Additionally， the prepared YG∶0.7%Cr4+ NIR-Ⅱ phosphor was successfully employed for qualitative detection of water， ethanol， and sunflower seed oil， as well as freshness assessment of pear slices. These demonstrations highlight the material’s promising potential in non-destructive testing applications.关键词：near-infrared Ⅱ phosphor;broadband emission;Cr4+ Doping;non-destructive testing228|79|0更新时间：2025-12-15
- “在植物照明领域，研究人员通过Al3+共掺杂策略，显著提升了深红荧光粉的发光效率，为室内植物照明提供了高发光强度和色纯度的新型荧光粉。”摘要：Addressing the challenge of insufficient luminous efficiency in deep-red phosphors for plant lighting applications， this study proposes a novel strategy utilising Al3+ co-doping to enhance luminescence performance. Phosphors with varying concentrations of Mn4+ and Al3+ dopants， namely Ca2YTa1-xO6∶xMn4+ （x=0.1%-0.6%） and Ca2YTa1-0.3%-yO6∶0.3%Mn4+，yAl3+ （y=0.4%-2.4%）， were synthesized via the high-temperature solid-state reaction method. The enhancement mechanism induced by Al3+ co-doping was systematically investigated through X-ray diffraction （XRD） ， photoluminescence （PL） spectroscopy， and fluorescence decay analysis. Results demonstrate that under 304 nm excitation， the single-doped CYTO∶0.3%Mn4+ phosphor exhibited the maximum deep-red emission intensity. Co-doping with Al3+ significantly augmented this intensity， achieving an intensity enhanced to 5.92 times that of CYTO∶0.3%Mn4+ at the optimal Al3+ concentration of 1.2%. Analysis reveals that Al3+ effectively suppresses concentration quenching between Mn4+ ions， reduces the population of quenching centers and lattice defects， and consequently diminishes the rate of nonradiative transitions. Concurrently， it markedly intensifies the crystal field strength experienced by Mn4+ ions， thereby elevating the radiative transition probability from the 2Eg level and enhancing luminescence. Furthermore， co-doping did not significantly compromise the thermal stability of the phosphor. The electroluminescence （EL） spectrum of the phosphor-converted LED （pc-LED） packaged with a 365 nm chip exhibits a relatively high matching degree with the absorption band of plant phytochrome Pfr. It possesses high luminous intensity and color purity， endowing such phosphors with favorable potential application value in the field of indoor plant lighting.关键词：high-temperature solid-state method;Al3+ co-doping;Luminescent enhancement;Ca2YTaO6;Crystal field strength243|94|0更新时间：2025-12-15
Synthesis and Properties of Materials
- “PICS 3D仿真软件设计了不同Al组分AlxGa1-xAs间隔层的谐振周期增益有源区，研究了940 nm垂直腔面发射激光器的光电特性，为应变补偿量子阱RPG有源区中间隔层材料的选择提供了理论指导和数据支撑。”摘要：The resonant periodic gain （RPG） active region with different Al composition in AlxGa1-xAs spacer layers was designed using PICS 3D simulation software to investigate the photoelectric characteristics of a 940 nm vertical cavity surface emitting laser （VCSEL）， aiming to achieve high output power and high power conversion efficiency. Simulation results indicate that the peak output power of the RPG VCSEL reaches 24.32 mW， and the peak power conversion efficiency reaches 51.7% when the Al composition of the spacer layer is 0.1. The transport properties of carriers in the active region of the RPG VCSELs were investigated through analysis of the band structure of the spacer layer. The results show that adjusting the Al composition can regulate its band structure and control the radiation recombination probability. This effectively reduces the accumulation of electron and hole in the spacer layer， thereby reducing non-radiative recombination. This study provides theoretical guidance and data support for selecting spacer layer materials in strain compensated quantum well RPG active regions.关键词：vertical cavity surface emitting laser;high output power;resonant periodic gain active regions;AlxGa1-xAs spacer layer167|78|0更新时间：2025-12-15
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DC Magnetron-sputtered VO2 Thin Films: Towards High-performance Near-infrared Photodetectors 增强出版 AI导读
“在近红外光电探测领域，采用直流磁控溅射金属钒靶材结合退火工艺成功制备了单斜相VO2薄膜，构筑的MSM结构近红外光电探测器展现出优异的光电响应性能，为解决光电探测问题提供解决方案。”摘要：Vanadium dioxide （VO2）， a semiconductor material with a narrow bandgap and reversible metal-insulator transition （MIT） characteristics， exhibits promising potential for near-infrared （NIR） photodetection. In this work， monoclinic VO2 （M1） thin films were successfully synthesized on p-type silicon substrates using DC magnetron sputtering of a metallic vanadium target followed by a post-annealing process. The results reveal that the as-prepared films possess uniform and dense granular morphology and exhibit preferentially （011）-oriented VO2 （M1） phase at room temperature， transitioning to rutile-phase VO2 （R） when heated to 70 ℃. Subsequently， a metal-semiconductor-metal （MSM） structured NIR photodetector （Ag/VO2/Ag） was constructed. Under a bias voltage of 1.5 V and 980 nm NIR illumination， the device demonstrates outstanding photoresponse performance at room temperature. When the optical power density is 0.07 mW/cm2， the responsivity and specific detectivity reach peak values of 109.06 mA/W and of 2.33×1010 Jones， respectively， accompanied by rise/decay time of 0.256/0.427 s. Temperature-dependent analysis shows a gradual enhancement in responsivity with increasing temperature between 20-80 ℃， primarily attributed to the enhanced carrier concentration induced by the M1→R phase transition of VO2. Furthermore， the device maintains broadband photoresponse across the visible-NIR spectral range （455-1 100 nm）.关键词：DC magnetron sputtering;VO2;metal-insulator phase transition;near-infrared light;photodetectors204|77|0更新时间：2025-12-15 - “最新研究报道，基于液晶芯随机光栅阵列反馈的随机光纤激光器在传感、通信及成像领域具有巨大应用潜力。”摘要：Random fiber lasers have significant application potential in areas such as imaging， sensing， and medical diagnostics. This paper proposes a random fiber laser based on feedback from a liquid crystal core random grating array， by utilizing a random grating array mask and light-induced phase separation technology， a liquid crystal core grating array with randomly distributed gratings was realized within a hollow-core optical fiber， which is integrated into the optical path to provide random feedback for the laser. The threshold of the random fiber laser at room temperature is 49.3 mW. As the pump intensity gradually increases， the number of lasing modes increases， with the lasing modes dynamically distributed over the range of 1 529-1 532 nm and exhibiting a relatively small range of lasing intensity variations. The temperature variation of the random grating array will affect the lasing characteristics of the random fiber laser. As the temperature rises， the feedback strength of the grating array decreases， resulting in an increased lasing threshold and a decreased lasing intensity. Additionally， the probability of lasing modes around 1 530.9 nm and 1 531.3 nm significantly increases. This kind of multi-mode random fiber laser based on liquid crystal core random grating array feedback has great application potential in the fields of sensing， communication and imaging.关键词：random fiber laser;liquid crystal core fiber grating array;light-induced phase separation104|79|0更新时间：2025-12-15
Device Fabrication and Physics
- “在新型太阳能电池技术领域，专家提出了基于机器学习的钙钛矿太阳能电池制备工艺智能优化方法，有效提升光电转换效率，为高效率太阳能电池开发提供新视角。”摘要：Perovskite solar cells （PSCs） have garnered significant attention in the realm of innovative photovoltaic technologies due to their impressive performance. Traditional trial-and-error experimental methods often result in lengthy research cycles to enhance the power conversion efficiency （PCE） of PSCs. We propose a machine learning （ML）-based intelligent optimization strategy to accelerate research cycles in PSC fabrication. By applying various ML algorithms to develop PCE prediction models， the gradient boosting （Gradient boosting， GB） model was chosen for Shapley additive explanations （SHAP） visualization analysis and experimental validation. The experimental results revealed that the design guided by model predictions and SHAP analysis achieved a PCE of 21.81% for wide bandgap （1.65 eV） PSCs. This study effectively addresses the limitations of conventional trial-and-error approaches and overcomes the challenge of low predictive accuracy in ML applications within the PSC domain. It provides a new perspective and scientific basis for the rapid development of high-PCE PSCs， and also offers a reference for the development of other new solar cell technologies.关键词：perovskite solar cells;machine learning;Shapley additive explanations（SHAP） analysis;power conversion efficiency（PCE） prediction282|203|0更新时间：2025-12-15
- “纳米薄膜太阳能电池研究取得新进展，总结了OPV和PSCs微观缺陷成像方法与应用，为能源转型提供新思路。”摘要：In the context of accelerated global energy transition， nano-thin-film solar cells， including organic photovoltaic cells （OPVs） and perovskite solar cells （PSCs）， have garnered widespread attention due to their high efficiency， low cost， and ease of fabrication. Currently， the laboratory-recorded power conversion efficiency （PCE） of single-junction OPVs has surpassed 20%， while that of PSCs has exceeded 26%. This paper begins with an overview of the structures of OPVs and PSCs， summarizing the primary failure mechanisms of these cells， focusing on electrodes， charge transport layers， and photoactive layers. Subsequently， it outlines common micro defect imaging principles and methods， including photoluminescence （PL）， electroluminescence （EL）， laser beam-induced current imaging （LBIC）， and lock-in thermography （LIT）. The paper reviews the latest advancements in micro-defect imaging and the homogeneity research for OPVs and PSCs， highlights current limitations in micro-defect imaging， and suggests future development directions. This paper provides a comprehensive overview of the micro-defect imaging methods and applications for nano-thin-film solar cells.关键词：Organic Photovoltaic Cells;Perovskite Solar Cells;Micro-area Defect Imaging;Failure Mechanisms;Homogeneity Analysis176|98|0更新时间：2025-12-15
- “荧光碳点纳米材料在毒品检测领域的应用研究取得进展，为现场快速检测提供新方案。”摘要：The global proliferation of illicit drug abuse has reached alarming levels， with emerging synthetic drugs and increasingly sophisticated trafficking methods posing unprecedented challenges to drug interdiction efforts. Conventional drug detection methods can suffer from laborious sample pretreatment protocols and dependence on expensive， non-portable instrumentation， rendering them unsuitable for on-site rapid screening. Fluorescent carbon dots （CDs） have emerged as promising nanomaterials for narcotics detection due to their unique physicochemical properties， including excellent biocompatibility， strong anti-interference capability， diverse precursor availability， and tunable fluorescence characteristics. This review briefly examines the classification of CDs and their fundamental mechanisms in drug sensing. Through comprehensive analysis of CDs synthesis methodologies， molecular recognition mechanisms， and analytical performance metrics， it mainly focused on the progresses of fluorescent carbon dots in drug detection. Furthermore， it addresses current challenges in drug detection technologies based on fluorescent carbon dots and outlines future developmental prospects.关键词：fluorescent carbon dots;Drug;Drug testing;Detection mechanism176|161|0更新时间：2025-12-15
- “科技媒体新闻记者报道：采用高温固相法和化学粘合法制备了Dy3+掺杂YAG/YAP磷光涂层，建立了磷光强度比-温度标定曲线，搭建了磷光测温系统，实验结果表明该系统在650~1300 K范围内具有良好的二维温度分布测量性能，最大测温误差为1.24%，系统不确定度为1.60 K，在超声速风洞、航空发动机热端部件等高温目标表面测温中体现出巨大的应用潜力。”摘要：To enhance the upper temperature measurement limit and accuracy of phosphor thermometry for two-dimensional surface temperature measurement， this study employed high-temperature solid-state reaction and chemical bonding methods to fabricate Dy3+-doped YAG/YAP phosphor coatings with higher temperature sensitivity. Based on the principle that the intensity ratio of characteristic phosphor emission peaks is temperature-sensitive， phosphor intensity ratio versus temperature calibration curves were established. Building upon this， a phosphor thermometry system was developed for mapping surface temperature distributions in high-temperature environments. Comparative temperature measurement experiments were conducted with an infrared thermographic camera. The results demonstrate that this system exhibits excellent performance for 2D temperature distribution measurement within the range of 650-1 300 K， with a maximum measurement error of 1.24% and a system uncertainty of 1.60 K. It shows considerable application potential for surface temperature measurement of high-temperature targets such as in supersonic wind tunnels and hot-end components of aero-engines.关键词：phosphorescent intensity ratio;temperature sensitive phosphorescent coating;non-contact thermometry;surface temperature distribution160|148|0更新时间：2025-12-15
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Phenothiazine-based Bisulfite Fluorescent Probe and Its Applications in Food and
in vivo Imaging 增强出版 AI导读“最新研究发现，红光增强型荧光探针FSQ2能高效检测食品和环境中的亚硫酸氢根，保障公共卫生与环境安全。”摘要：Excessive emissions of SO2 and its derivatives will cause serious harm to human health and the environment. Therefore， detecting HSO
Luminescence Applications and Interdisciplinary Fields
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