Journal of Luminescence最新文献

筛选
英文 中文
Time-resolved luminescent biodetection of biotin in infant formula based on lanthanide-doped LiLuF4 nanoparticles 基于镧系掺杂LiLuF4纳米粒子的婴儿配方奶粉中生物素的时间分辨发光生物检测
IF 3.3 3区 物理与天体物理
Journal of Luminescence Pub Date : 2025-05-22 DOI: 10.1016/j.jlumin.2025.121312
Shuo Zhang , Yudan Xie , Xiaoke Hu , Xiaolong Zheng , Ping Huang , Xiaoyue Wang , Hao Zhang , Wei Zheng , Xueyuan Chen
{"title":"Time-resolved luminescent biodetection of biotin in infant formula based on lanthanide-doped LiLuF4 nanoparticles","authors":"Shuo Zhang ,&nbsp;Yudan Xie ,&nbsp;Xiaoke Hu ,&nbsp;Xiaolong Zheng ,&nbsp;Ping Huang ,&nbsp;Xiaoyue Wang ,&nbsp;Hao Zhang ,&nbsp;Wei Zheng ,&nbsp;Xueyuan Chen","doi":"10.1016/j.jlumin.2025.121312","DOIUrl":"10.1016/j.jlumin.2025.121312","url":null,"abstract":"<div><div>Biotin, as a key nutrition fortifier in infant formula, is of vital significance for guaranteeing the healthy growth of infants and young children. The accurate detection of biotin has therefore become a crucial priority for quality assurance in infant formula. However, the current bioassay techniques encounter a series of limitations such as cumbersome procedures and low sensitivity. Herein, we develop a sensitive time-resolved fluorescence resonance energy transfer (TR-FRET) nanoprobe by employing LiLuF<sub>4</sub>: Ce/Tb nanoparticles (NPs) as energy donors for biotin detection. By taking advantage of the distinctive millisecond-range photoluminescence of the NPs, the short-lived background autofluorescence can be completely eliminated, which enables the sensitive detection of biotin in infant formula within a range of 0–6104 pM and a detection limit down to 0.84 pM (0.21 pg mL<sup>−1</sup>). This value indicates 2−4 orders of magnitude improvement over conventional bioassay methods. The proposed TR-FRET biosensor is independent of expensive instruments and can be fully compatible with commercial microplate readers. Specifically, the homogeneous assay design enables rapid, user-friendly analysis, completing the entire detection process within 20 min. These findings offer new opportunities towards rapid and sensitive detection of biotin in infant nutrition products, thereby demonstrating the great potential of lanthanide nanoprobes in food safety monitoring applications.</div></div>","PeriodicalId":16159,"journal":{"name":"Journal of Luminescence","volume":"285 ","pages":"Article 121312"},"PeriodicalIF":3.3,"publicationDate":"2025-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144170638","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Investigations of photoluminescence properties of Eu3+ doped La-phthalate complexes Eu3+掺杂la -邻苯二甲酸盐配合物的光致发光性质研究
IF 3.3 3区 物理与天体物理
Journal of Luminescence Pub Date : 2025-05-21 DOI: 10.1016/j.jlumin.2025.121282
S. Maji , Satendra Kumar , Raj Kishore Das , K. Sundararajan
{"title":"Investigations of photoluminescence properties of Eu3+ doped La-phthalate complexes","authors":"S. Maji ,&nbsp;Satendra Kumar ,&nbsp;Raj Kishore Das ,&nbsp;K. Sundararajan","doi":"10.1016/j.jlumin.2025.121282","DOIUrl":"10.1016/j.jlumin.2025.121282","url":null,"abstract":"<div><div>Eu<sup>3+</sup> doped La-Phthalic acid complexes with the formula Na<sub>2</sub>La<sub>2</sub>(PA)<sub>4</sub>:Eu<sup>3+</sup> (PA = phthalate anion) are synthesized through a facile wet chemical method. The complexes are analysed by using XRD, FTIR, TGA and photoluminescence techniques. The complex exhibits strong red emission with long lifetime (∼2140 μs) at 2.5 wt% of Eu<sup>3+</sup> content. Compared to its parent complex i.e. un-doped complex (Eu<sub>2</sub>(PA)<sub>3</sub>;3H<sub>2</sub>O), the doped complex displays improved and exceptionally high photoluminescence quantum yield (about 80 %), which is nearly 20 times stronger than un-doped complex as non-radiative deactivation pathway process decreases substantially. Different emission parameters of <sup>5</sup>D<sub>0</sub> emission level of Eu<sup>3+</sup> like radiative, non-radiative transition rates, Judd-Ofelt parameters are also determined. The CIE colour coordinates result (0.652, 0.348) reveals that the prepared phosphor is close to the National Television System Committee (NTSC) (0.67, 0.33). The newly synthesized Eu<sup>3+</sup> doped La-Phthalate complex will pave a pathway for developing highly efficient red emitting organic phosphor.</div></div>","PeriodicalId":16159,"journal":{"name":"Journal of Luminescence","volume":"284 ","pages":"Article 121282"},"PeriodicalIF":3.3,"publicationDate":"2025-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144108215","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Synthesis and luminescence properties of deep-red-emitting LiAlSi2O6:Mn4+ for plant growth lighting 植物生长照明用深红色发光材料LiAlSi2O6:Mn4+的合成及发光性能
IF 3.3 3区 物理与天体物理
Journal of Luminescence Pub Date : 2025-05-20 DOI: 10.1016/j.jlumin.2025.121310
Qingdong Gou , Junwei Jiang , Hui Ao , Siling Guo , Ting Chen , Xiaochun Li , Jingjing Duan , Renping Cao
{"title":"Synthesis and luminescence properties of deep-red-emitting LiAlSi2O6:Mn4+ for plant growth lighting","authors":"Qingdong Gou ,&nbsp;Junwei Jiang ,&nbsp;Hui Ao ,&nbsp;Siling Guo ,&nbsp;Ting Chen ,&nbsp;Xiaochun Li ,&nbsp;Jingjing Duan ,&nbsp;Renping Cao","doi":"10.1016/j.jlumin.2025.121310","DOIUrl":"10.1016/j.jlumin.2025.121310","url":null,"abstract":"<div><div>Light can improve the growth and development of most plants, and the red/deep-red light in the 600–760 nm region is very good for phytochrome red and phytochrome far-red of plants, causing a great interest in the research and development of the deep-red-emitting luminescence materials. In this work, a pure phase LiAlSi<sub>2</sub>O<sub>6</sub>:Mn<sup>4+</sup> with monoclinic crystal structure and only luminous center (Mn<sup>4+</sup>) is synthesized successfully in air. The excitation spectrum of LiAlSi<sub>2</sub>O<sub>6</sub>:Mn<sup>4+</sup> covers the region from 220 to 550 nm owing to the O<sup>2−</sup> - Mn<sup>4+</sup> charge transfer and the <sup>4</sup>A<sub>2g</sub> → <sup>4</sup>T<sub>1g</sub> and <sup>4</sup>T<sub>2g</sub> transitions of Mn<sup>4+</sup>. We observe the deep-red emission of LiAlSi<sub>2</sub>O<sub>6</sub>:Mn<sup>4+</sup> with emission peak at ∼663 nm in the range of 600–850 nm due to the transitions <sup>2</sup>E<sub>g</sub> → <sup>4</sup>A<sub>2g</sub> of Mn<sup>4+</sup> and analyze the luminous mechanism. The optimal doping concentration of Mn<sup>4+</sup> (0.1mol%) is determined by the concentration dependent emission spectra. We analyze the concentration quenching mechanism and investigate the lifetimes of LiAlSi<sub>2</sub>O<sub>6</sub>:Mn<sup>4+</sup> with different Mn<sup>4+</sup> concentration. The good thermal stability of LiAlSi<sub>2</sub>O<sub>6</sub>:Mn<sup>4+</sup> is confirmed via the temperature dependent emission spectra. The potential applications of LiAlSi<sub>2</sub>O<sub>6</sub>:Mn<sup>4+</sup> in plant growth LED lighting are estimated by comparison of spectral properties of LiAlSi<sub>2</sub>O<sub>6</sub>:Mn<sup>4+</sup> and plant.</div></div>","PeriodicalId":16159,"journal":{"name":"Journal of Luminescence","volume":"284 ","pages":"Article 121310"},"PeriodicalIF":3.3,"publicationDate":"2025-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144108218","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Potential of Yb-doped CALYSO single crystal fiber as a laser medium for ultrashort laser operation 掺镱CALYSO单晶光纤作为超短激光介质的潜力
IF 3.3 3区 物理与天体物理
Journal of Luminescence Pub Date : 2025-05-20 DOI: 10.1016/j.jlumin.2025.121311
Zebin Wang , Xinyu Han , Jian Liu , Qingsong Song , Dahua Zhou , Xiaodong Xu , Jun Xu , Kheirreddine Lebbou
{"title":"Potential of Yb-doped CALYSO single crystal fiber as a laser medium for ultrashort laser operation","authors":"Zebin Wang ,&nbsp;Xinyu Han ,&nbsp;Jian Liu ,&nbsp;Qingsong Song ,&nbsp;Dahua Zhou ,&nbsp;Xiaodong Xu ,&nbsp;Jun Xu ,&nbsp;Kheirreddine Lebbou","doi":"10.1016/j.jlumin.2025.121311","DOIUrl":"10.1016/j.jlumin.2025.121311","url":null,"abstract":"<div><div>For the first time, single crystal fibers of 2 at.% Yb:CaYAlO<sub>4</sub> (Yb:CALYO) and Yb:CaY<sub>0.95</sub>Sc<sub>0.05</sub>AlO<sub>4</sub> (Yb:CALYSO) were successfully grown using the LHPG method. The structure, absorption, emission, and lifetime characteristics of Yb:CALYO and Yb:CALYSO single crystal fibers were systematically investigated. Additionally, the influence of Yb<sup>3+</sup> concentration on these properties was examined. The absorption cross-sections of Yb:CALY(S)O single crystal fibers were calculated, revealing that the strongest absorption peaks are located at 979 nm. The emission cross-sections for 2 at.% Yb:CALYO and Yb:CALYSO crystal fibers were determined to be 0.88 × 10<sup>−20</sup> cm<sup>2</sup> at 982 nm and 0.81 × 10<sup>−20</sup> cm<sup>2</sup> at 983 nm, with full widths at half maximum (FWHM) of 85.37 nm and 88.34 nm, respectively, corresponding to the transition of <sup>2</sup>F<sub>5/2</sub> → <sup>2</sup>F<sub>7/2</sub>. The fluorescence lifetimes of the <sup>2</sup>F<sub>5/2</sub> energy level for Yb:CALY(S)O crystal fibers with a concentration of 2 at.% were calculated to be 706 μs and 682 μs, respectively. The experimental results indicate that Yb:CALYSO crystal fiber holds potential as a laser medium for ultrashort laser operation.</div></div>","PeriodicalId":16159,"journal":{"name":"Journal of Luminescence","volume":"285 ","pages":"Article 121311"},"PeriodicalIF":3.3,"publicationDate":"2025-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144170634","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ultraviolet-C emitting device based on Bi3+-activated orthophosphate films in electrolyte-assisted silicon semiconductor 电解质辅助硅半导体中基于Bi3+活化的正磷酸盐薄膜的紫外- c发射装置
IF 3.3 3区 物理与天体物理
Journal of Luminescence Pub Date : 2025-05-20 DOI: 10.1016/j.jlumin.2025.121313
Mohammad M. Afandi, Jongsu Kim
{"title":"Ultraviolet-C emitting device based on Bi3+-activated orthophosphate films in electrolyte-assisted silicon semiconductor","authors":"Mohammad M. Afandi,&nbsp;Jongsu Kim","doi":"10.1016/j.jlumin.2025.121313","DOIUrl":"10.1016/j.jlumin.2025.121313","url":null,"abstract":"<div><div>Electrolyte-assisted semiconductors have garnered significant interest as an innovative category and promising candidates for the development of modern electronics. Herein, we propose an optoelectronic device based on an electrolyte-assisted semiconductor, so-called electrolyte-assisted electroluminescence (EEL) with ultraviolet-C (UVC) emission from Bi<sup>3+</sup>-activated orthophosphate films. The electrolyte in this approach acts as the carrier transfer layer generated from the electrochemical reaction during the sinusoidal source operation. By incorporating Bi<sup>3+</sup> ions into lanthanum orthophosphate films (YPO<sub>4</sub> and LuPO<sub>4</sub>), a UVC emission peaking at 251 nm is observed, attributed to electronic transitions of Bi<sup>3+</sup> within the host lattices. Compared to traditional EL devices, our EEL device operates at a lower voltage and frequency (30 V, 50 Hz), reducing the load on electrical sources. Additionally, it demonstrates decent reliability, maintaining 50 % of its emission intensity after 20 min of continuous operation without any encapsulation. Moreover, compared to other UVC sources, our EEL device offers advantages such as a low-cost manufacturing process and being mercury-free. Thus, this approach could further expand the practical application of the electrolyte-based semiconductor that emits UVC for sterilization technology.</div></div>","PeriodicalId":16159,"journal":{"name":"Journal of Luminescence","volume":"284 ","pages":"Article 121313"},"PeriodicalIF":3.3,"publicationDate":"2025-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144124010","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Broadband NIR luminescence of Te-doped barium borate glass for gc-LED device applications 掺te硼酸钡玻璃在gc-LED器件中的宽带近红外发光研究
IF 3.3 3区 物理与天体物理
Journal of Luminescence Pub Date : 2025-05-20 DOI: 10.1016/j.jlumin.2025.121314
Mingjun Zhao , Chongyun Shao , Weichang Li , Danping Chen , Wei Chen
{"title":"Broadband NIR luminescence of Te-doped barium borate glass for gc-LED device applications","authors":"Mingjun Zhao ,&nbsp;Chongyun Shao ,&nbsp;Weichang Li ,&nbsp;Danping Chen ,&nbsp;Wei Chen","doi":"10.1016/j.jlumin.2025.121314","DOIUrl":"10.1016/j.jlumin.2025.121314","url":null,"abstract":"<div><div>A strong near-infrared (NIR) fluorescent borate glass doped with tellurium (Te) clusters was developed, and spectral properties were studied. Under an oxidizing atmosphere, Te clusters could not be formed; however, under a reducing atmosphere, broadband Te-cluster NIR emission covering 600–1400 nm was successfully achieved, with a peak centered at 900 nm and a full width at half maximum (FWHM) of 270 nm. The findings demonstrated that adjusting the glass composition and TeO<sub>2</sub> doping concentration can significantly enhance the NIR emission of Te-doped borate glass. Furthermore, the study revealed that the photoluminescence performance of this material is highly sensitive to both temperature and excitation wavelength, demonstrating its potential for tunable luminescent properties. A NIR glass-converted LED (gc-LED) device was fabricated by integrating Te-cluster-doped borate glass with a commercial 460 nm LED, demonstrating its potential applications in night vision, non-destructive testing, and biomedical imaging. This research provides a theoretical foundation and technical pathway for developing novel ultra-broadband NIR emission glass materials.</div></div>","PeriodicalId":16159,"journal":{"name":"Journal of Luminescence","volume":"284 ","pages":"Article 121314"},"PeriodicalIF":3.3,"publicationDate":"2025-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144108219","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Synthesis and properties of organic fluorescent molecules for blue to red conversion for LED systems using energy transfer 利用能量转移的LED系统中用于蓝红转换的有机荧光分子的合成和性质
IF 3.3 3区 物理与天体物理
Journal of Luminescence Pub Date : 2025-05-19 DOI: 10.1016/j.jlumin.2025.121309
Johan Lub , Sylvain L.J. Hamon , Zhuo Li , Paul A. van Hal , Ton J. Visser , Rifat A.M. Hikmet
{"title":"Synthesis and properties of organic fluorescent molecules for blue to red conversion for LED systems using energy transfer","authors":"Johan Lub ,&nbsp;Sylvain L.J. Hamon ,&nbsp;Zhuo Li ,&nbsp;Paul A. van Hal ,&nbsp;Ton J. Visser ,&nbsp;Rifat A.M. Hikmet","doi":"10.1016/j.jlumin.2025.121309","DOIUrl":"10.1016/j.jlumin.2025.121309","url":null,"abstract":"<div><div>The efficiency of color conversion in remote phosphor light emitting diode (LED) applications can be improved by direct blue to red conversion instead of blue to yellow to red conversion. In this publication, two molecules that have chemically linked blue light absorbing donor and red emitting acceptor moieties were synthesized in which the blue to red conversion takes place via Förster resonance energy transfer (FRET). The properties of these so called “FRET molecules” were studied in poly(methyl methacrylate) (PMMA) films and compared with those of the parent yellow and red fluorescent molecules. The quantum efficiency (QE) of these films depends strongly on the chemical structure of the blue light absorbing moiety. The molecule with high QE showed an increased photochemical stability of the blue light absorbing moiety compared to that of the parent yellow fluorescent molecule and a decreased photochemical stability of the red emitting moiety compared to that of the parent red fluorescent molecule.</div></div>","PeriodicalId":16159,"journal":{"name":"Journal of Luminescence","volume":"284 ","pages":"Article 121309"},"PeriodicalIF":3.3,"publicationDate":"2025-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144124009","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Molecular luminescent complex of Tagetes patula L. antioxidants with porphyrin and singlet oxygen generation 带卟啉和单线态氧生成抗氧化剂的万叶菊分子发光复合物
IF 3.3 3区 物理与天体物理
Journal of Luminescence Pub Date : 2025-05-19 DOI: 10.1016/j.jlumin.2025.121307
Anna Tsibulnikova , Vasily Slezhkin , Evgeniya Zemlyakova , Alena Kostrina , Dmitry Artamonov , Ilia Samusev , Valery Bryukhanov , Anna Kundalevich , Elizaveta Demishkevich , Alina Bakhtiyarova , Olga Babich , Matheus Mantuanelli Roberto , Stanislav Suckhikh
{"title":"Molecular luminescent complex of Tagetes patula L. antioxidants with porphyrin and singlet oxygen generation","authors":"Anna Tsibulnikova ,&nbsp;Vasily Slezhkin ,&nbsp;Evgeniya Zemlyakova ,&nbsp;Alena Kostrina ,&nbsp;Dmitry Artamonov ,&nbsp;Ilia Samusev ,&nbsp;Valery Bryukhanov ,&nbsp;Anna Kundalevich ,&nbsp;Elizaveta Demishkevich ,&nbsp;Alina Bakhtiyarova ,&nbsp;Olga Babich ,&nbsp;Matheus Mantuanelli Roberto ,&nbsp;Stanislav Suckhikh","doi":"10.1016/j.jlumin.2025.121307","DOIUrl":"10.1016/j.jlumin.2025.121307","url":null,"abstract":"<div><div>The spectral-luminescent properties of marigold (Tagetes patula L.) flower extracts were studied in alcohol mixtures with a porphyrin derivative (mesoporphyrin IX dihydrochloride) under visible-region photoexcitation. The fluorescence and phosphorescence photonics of the resulting complexes were analyzed under normal and elevated oxygen concentrations to determine the energy and kinetics of the generation of singlet oxygen molecules in solution.</div></div>","PeriodicalId":16159,"journal":{"name":"Journal of Luminescence","volume":"285 ","pages":"Article 121307"},"PeriodicalIF":3.3,"publicationDate":"2025-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144170637","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Design strategies for optical thermometers based on diverse luminescence thermal-response in Li2CaTa2O7:Ln3+ phosphors (Ln3+ = Pr3+, Er3+) 基于Li2CaTa2O7:Ln3+荧光粉(Ln3+ = Pr3+, Er3+)不同发光热响应的光学温度计设计策略
IF 3.3 3区 物理与天体物理
Journal of Luminescence Pub Date : 2025-05-17 DOI: 10.1016/j.jlumin.2025.121304
Yanru Yin, Dexin Liu, Lianhua Tian
{"title":"Design strategies for optical thermometers based on diverse luminescence thermal-response in Li2CaTa2O7:Ln3+ phosphors (Ln3+ = Pr3+, Er3+)","authors":"Yanru Yin,&nbsp;Dexin Liu,&nbsp;Lianhua Tian","doi":"10.1016/j.jlumin.2025.121304","DOIUrl":"10.1016/j.jlumin.2025.121304","url":null,"abstract":"<div><div>In this paper, the photoluminescence properties of Li<sub>2</sub>CaTa<sub>2</sub>O<sub>7</sub>:Ln<sup>3+</sup> (Ln<sup>3+</sup> = Pr<sup>3+</sup>, Er<sup>3+</sup>) phosphors were investigated. Under the 450 nm blue light excitation, Li<sub>2</sub>CaTa<sub>2</sub>O<sub>7</sub>:Pr<sup>3+</sup> exhibits emission ranging from green to red, and its strong response to blue-light excitation facilitates easier integration into device encapsulation processes. Under 379 nm excitation, the emission spectra of Li<sub>2</sub>CaTa<sub>2</sub>O<sub>7</sub>:Er<sup>3+</sup> display characteristic peaks in both the green and near-infrared regions. As the temperature increases, the photoluminescence intensities of the emission peaks at 533 nm (Pr<sup>3+</sup>) and 528 nm (Er<sup>3+</sup>) show a slight enhancement. Based on the distinct temperature dependencies of the thermally coupled levels of Pr<sup>3+</sup> and Er<sup>3+</sup>, the relative sensitivity (<em>S</em><sub>r</sub>) and absolute sensitivity (<em>S</em><sub>a</sub>) of the samples were calculated using the fluorescence intensity ratio (<em>FIR</em>) method. The maximum <em>S</em><sub>r</sub> values for Pr<sup>3+</sup> and Er<sup>3+</sup> in the Li<sub>2</sub>CaTa<sub>2</sub>O<sub>7</sub> host were found to be 3.072 % K<sup>−1</sup> at 120 K and 7.739 % K<sup>−1</sup> at 140 K, respectively. These results demonstrate the excellent thermometric performance of Li<sub>2</sub>CaTa<sub>2</sub>O<sub>7</sub>:Ln<sup>3+</sup> (Ln<sup>3+</sup> = Pr<sup>3+</sup>, Er<sup>3+</sup>), highlighting its potential for temperature sensing applications.</div></div>","PeriodicalId":16159,"journal":{"name":"Journal of Luminescence","volume":"284 ","pages":"Article 121304"},"PeriodicalIF":3.3,"publicationDate":"2025-05-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144108212","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
High-sensitivity and high-output voltage lead-free perovskite-based fiber optoelectronic devices 高灵敏度、高输出电压无铅钙钛矿基光纤光电器件
IF 3.3 3区 物理与天体物理
Journal of Luminescence Pub Date : 2025-05-16 DOI: 10.1016/j.jlumin.2025.121305
Xueliang Zhang , Xiaoman Zhang , Xiaodong Zhang , Lefu Mei , Luoxin Wang , Hua Wang , Xiangming Li , Kun Nie
{"title":"High-sensitivity and high-output voltage lead-free perovskite-based fiber optoelectronic devices","authors":"Xueliang Zhang ,&nbsp;Xiaoman Zhang ,&nbsp;Xiaodong Zhang ,&nbsp;Lefu Mei ,&nbsp;Luoxin Wang ,&nbsp;Hua Wang ,&nbsp;Xiangming Li ,&nbsp;Kun Nie","doi":"10.1016/j.jlumin.2025.121305","DOIUrl":"10.1016/j.jlumin.2025.121305","url":null,"abstract":"<div><div>Lead-free halide perovskites have excellent optoelectronic properties and have been widely studied in the optoelectronic field. A kind of all-inorganic double perovskite crystals (PCs) with high output voltage and high sensitivity was successfully synthesized via a more energy-efficient crystallization method in this study. The luminescence intensity of the perovskite crystals was significantly enhanced by Bi<sup>3+</sup> doping. These perovskite crystals were used to prepare red light-emitting diodes (LEDs) with color purity of up to 93.1 %. In addition, the perovskite crystals were used to modify aramid chopped fibers (ACFs)/polyphenylene sulfide (PPS) composite fibers to fabricate flexible luminescent fibers. The modified composite fibers also demonstrated exceptional piezoelectric properties. Therefore, the modified composite fiber was used to prepare a piezoelectric sensor. The maximum output voltage of the sensor could reach 50 V at room temperature with a response time of only 8 ms. The piezoelectric constant <em>d</em><sub>33</sub> of this piezoelectric sensor was 374 pC/N, indicating that the sensor had high sensitivity. When the temperature increased to 373 K, the output voltage gradually rose to 100 V. The red and white LED devices demonstrated the potential of perovskites for lighting and display applications. Meanwhile, the flexible light-emitting fibers and piezoelectric sensors further expanded the application scope of perovskite in multifunctional optoelectronic devices.</div></div>","PeriodicalId":16159,"journal":{"name":"Journal of Luminescence","volume":"284 ","pages":"Article 121305"},"PeriodicalIF":3.3,"publicationDate":"2025-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144084309","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们:info@booksci.cn Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号:481959085
Book学术官方微信