Journal of Luminescence最新文献_第2页

Structural and photophysical investigations of thermally stable Dy (III) ion complexes incorporated with β-ketocarboxylate and ancillary moieties 掺入β-酮羧酸盐和辅助分子的热稳定镝（III）离子配合物的结构和光物理研究

IF 3.3 3区物理与天体物理

Journal of Luminescence Pub Date : 2024-11-20 DOI: 10.1016/j.jlumin.2024.120995

Riya Gaur, Priti Boora Doon

{"title":"Structural and photophysical investigations of thermally stable Dy (III) ion complexes incorporated with β-ketocarboxylate and ancillary moieties","authors":"Riya Gaur, Priti Boora Doon","doi":"10.1016/j.jlumin.2024.120995","DOIUrl":"10.1016/j.jlumin.2024.120995","url":null,"abstract":"<div><div>A series of five dysprosium complexes are synthesized, comprising four ternary and one binary complex with the primary ligand 9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7<em>H</em>-pyrido [1,2,3-de]-1,4-benzoxazine-6-carboxylic acid (L) and four ancillary ligands: 1,10-phenanthroline, 4,4′-dimethyl-2,2′-bipyridyl, neocuproine, and 2,2′-bipyridyl. Evaluation of elemental composition of complexes is done via elemental analysis. In contrast, the NMR, FT-IR, UV–visible absorption spectra are used to detect the bonding of the metal center with the primary and the secondary sensitizer. The photoluminescent properties of the formed complex are computed by exciting the complex at 355 nm which reveals the white emanating color of the complex which is attributable to the perfect balance of blue and yellow emission of the complex obtained at 485 nm and 576 nm respectively. The applicability of complexes in wide-gap semiconducting materials are demonstrated by analyzing the photophysical characteristics including optical band gap, diffuse reflectance spectra and refractive index which point towards their promising application in the field of solar devices and military radars. The color coordinates indicate consistency with the coordinates of white light specified by \"The National Television System Committee\". Their utilization in WOLEDs is validated by considering Correlated Color Temperature, color purity and the Commission International de I’Eclairage 1931 (CIE) color coordinates.</div></div>","PeriodicalId":16159,"journal":{"name":"Journal of Luminescence","volume":"278 ","pages":"Article 120995"},"PeriodicalIF":3.3,"publicationDate":"2024-11-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142706775","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

Exploring the potential of BaLa₂ZnO₅ doped with individual rare-earth ions (Ce³⁺, Er³⁺, Eu³⁺) for w-LEDs, latent fingerprints, and anti-counterfeiting applications 探索掺杂单个稀土离子（Ce³⁺、Er³⁺、Eu³⁺）的 BaLa₂ZnO₅在 w-LED、潜指纹和防伪应用中的潜力

IF 3.3 3区物理与天体物理

Journal of Luminescence Pub Date : 2024-11-19 DOI: 10.1016/j.jlumin.2024.120994

S.C. Sharma

{"title":"Exploring the potential of BaLa₂ZnO₅ doped with individual rare-earth ions (Ce³⁺, Er³⁺, Eu³⁺) for w-LEDs, latent fingerprints, and anti-counterfeiting applications","authors":"S.C. Sharma","doi":"10.1016/j.jlumin.2024.120994","DOIUrl":"10.1016/j.jlumin.2024.120994","url":null,"abstract":"<div><div>The novel Ce<sup>3+</sup>/Er<sup>3+</sup>/Eu<sup>3+</sup> (1 mol %) activated BaLa<sub>2</sub>ZnO<sub>5</sub> (BLZO) nanophosphors (NPs) were synthesized via a combustion method. Micro-morphology, phase purity, luminescence characteristics, and crystallographic structure of the material are examined. The NPs with the subsequent characteristics exhibit notable emission under 349, 378, and 395 nm excitation: BLZO:Ce<sup>3+</sup>, BLZO:Er<sup>3+</sup>, and BLZO:Eu<sup>3+</sup> at 400, 550, and 615 nm, respectively. The decay curves of each sample are recorded for specific excitation and emission wavelengths respectively. All the decay curves are well-fitted with single exponential function. The observed average decay time is 1.563, 1.165 and 0.949 ms. In addition, photometric studies including Chromaticity International d’Eclairage (CIE), correlated colour temperature (CCT) and colour purity (CP) are performed. The phosphor demonstrated good contrast, minimal background interference, and great resolution when applied to several substrates in latent fingerprints (LFPs). Therefore, the phosphor provides a material that shows promise for latent fingerprint visualization. The feasibility of the Anti-counterfeiting (AC) function of BLZO: Ce<sup>3+</sup>/Er<sup>3+</sup>/Eu<sup>3+</sup> phosphor is investigated on a diverse of surfaces using both screen-printing and handwriting techniques. By means of aging, heat treatment, and water immersion treatment, the durability of all three security inks has been investigated. These diverse characterization results indicate that the hypothesized Ce<sup>3+</sup>/Er<sup>3+</sup>/Eu<sup>3+</sup> activated BLZO phosphor has potential applications in solid-state lighting for white light emitting diodes (w-LEDs), LFPs and AC techniques.</div></div>","PeriodicalId":16159,"journal":{"name":"Journal of Luminescence","volume":"278 ","pages":"Article 120994"},"PeriodicalIF":3.3,"publicationDate":"2024-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142719079","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

Multisite occupation mechanism and near-infrared luminescence characteristics of Cr3+ ions in Na-β"-Al2O3 Na-β"-Al2O3 中 Cr3+ 离子的多位占位机制和近红外发光特性

IF 3.3 3区物理与天体物理

Journal of Luminescence Pub Date : 2024-11-12 DOI: 10.1016/j.jlumin.2024.120986

Kenan Xu, Jing Wang, Zhongxiang Shi, Yanhua Sun, Xu Sun, Kexu Qian

{"title":"Multisite occupation mechanism and near-infrared luminescence characteristics of Cr3+ ions in Na-β\"-Al2O3","authors":"Kenan Xu, Jing Wang, Zhongxiang Shi, Yanhua Sun, Xu Sun, Kexu Qian","doi":"10.1016/j.jlumin.2024.120986","DOIUrl":"10.1016/j.jlumin.2024.120986","url":null,"abstract":"<div><div>Taking inspiration from multiple luminescence sources, Cr<sup>3+</sup>-doped Na-β\"-Al<sub>2</sub>O<sub>3</sub> fluorescent powder was synthesized through high-temperature solid-state method. The results show that Cr enters the Na-β\"-Al<sub>2</sub>O<sub>3</sub> lattice in the form of trivalent ions and occupies the Al<sup>3+</sup> lattice within a limited concentration range. Phosphors are composed of submicrometer flake particles with good dispersion, and the concentration difference has little effect on the morphology and size of the particles. It is worth mentioning that by controlling the multisite occupation of Cr<sup>3+</sup> in the matrix, spectral regulation can be realized in the near-infrared region, that is, the increase of Cr<sup>3+</sup> concentration helps to broaden the emission peak at 709 nm (<em>x</em> = 0.13). Furthermore, the results of the energy transfer analysis show that there is energy transfer between Cr<sup>3+</sup>. More importantly, the band gap energy level provided by oxygen vacancies in the matrix leads to excellent thermal quenching resistance of the fluorescent powder between 378 and 428 K, and the luminescence intensity of the material can still maintain 60 % of that at room temperature when the temperature rises to 428 K. The phosphors with good microscopic morphology and thermal stability have application value in biological imaging, food safety detection, and other fields.</div></div>","PeriodicalId":16159,"journal":{"name":"Journal of Luminescence","volume":"277 ","pages":"Article 120986"},"PeriodicalIF":3.3,"publicationDate":"2024-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142660188","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

Investigation of radiation-induced luminescence properties of high-density barium phosphate glasses doped with Ce3+ 掺杂 Ce3+ 的高密度磷酸钡玻璃的辐射诱导发光特性研究

IF 3.3 3区物理与天体物理

Journal of Luminescence Pub Date : 2024-11-09 DOI: 10.1016/j.jlumin.2024.120981

Amos Vincent Ntarisa , Sudipta Saha , Nguyen Duy Quang , W. Cheewasukhanont , Faizan Anjum , N. Intachai , Y. Ruangtaweep , H.J. Kim , S. Kothan , J. Kaewkhao

{"title":"Investigation of radiation-induced luminescence properties of high-density barium phosphate glasses doped with Ce3+","authors":"Amos Vincent Ntarisa , Sudipta Saha , Nguyen Duy Quang , W. Cheewasukhanont , Faizan Anjum , N. Intachai , Y. Ruangtaweep , H.J. Kim , S. Kothan , J. Kaewkhao","doi":"10.1016/j.jlumin.2024.120981","DOIUrl":"10.1016/j.jlumin.2024.120981","url":null,"abstract":"<div><div>The Ce<sup>3+</sup> doped barium-zinc-gadolinium-phosphate glass samples with composition 20BaCO<sub>3</sub>-10ZnO-8Gd<sub>2</sub>O<sub>3</sub>-(62- <span><math><mrow><mi>x</mi></mrow></math></span>)P<sub>2</sub>O<sub>5</sub>-<span><math><mrow><mi>x</mi></mrow></math></span> CeBr<sub>3</sub> (where <span><math><mrow><mi>x</mi><mo>=</mo><mn>0.15</mn><mo>,</mo><mn>0.25</mn><mo>,</mo><mn>0.5</mn></mrow></math></span>, and 0.75 mol.%) were fabricated by employing melt-quenching traditional method. The PXRD studies were performed to verify the amorphous form of the fabricated glasses. FE-SEM was utilised to check the particle size and shape of prepared samples. The measurements of EDS were employed to find out the elements available in the glasses. Wideband emission was observed in the 300–400 nm range in the obtained spectra under X-ray and UV–VIS excitations, revealing a 5d-4f transition of Ce<sup>3+</sup>-ions. The detected excitation bands found broad for prepared glasses include 4f electronic energy level transitions belonging to Gd<sup>3+</sup> and the 5d electronic energy levels belonging to the Ce<sup>3+</sup> excitation energy band situated at 308 nm. The scintillation property was investigated with α-particles and <span><math><mrow><mi>γ</mi></mrow></math></span>-rays excitations using <sup>241</sup>Am and <sup>137</sup>Cs, <sup>22</sup>Na radiation sources, respectively. The lifetime of the prepared glass samples was studied under 286 nm UV excitation and found 28.94 ± 0.12 ns as a short component and 166.47 ± 23.44 ns long component with 85 % and 15 % contributions, respectively for PBZG-0.25Ce glass sample.</div></div>","PeriodicalId":16159,"journal":{"name":"Journal of Luminescence","volume":"277 ","pages":"Article 120981"},"PeriodicalIF":3.3,"publicationDate":"2024-11-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142660174","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

Photoluminescence enhancement of 1,2,4-triaminobenzene molecules by modification with hydrolytically polycondensed 3-aminopropyltriethoxysilane 用水解缩聚的 3-aminopropyltriethoxysilane 对 1,2,4-三氨基苯分子进行改性，从而增强其光致发光性能

IF 3.3 3区物理与天体物理

Journal of Luminescence Pub Date : 2024-11-09 DOI: 10.1016/j.jlumin.2024.120980

Haowei Tan, Yoshiki Iso, Tetsuhiko Isobe

{"title":"Photoluminescence enhancement of 1,2,4-triaminobenzene molecules by modification with hydrolytically polycondensed 3-aminopropyltriethoxysilane","authors":"Haowei Tan, Yoshiki Iso, Tetsuhiko Isobe","doi":"10.1016/j.jlumin.2024.120980","DOIUrl":"10.1016/j.jlumin.2024.120980","url":null,"abstract":"<div><div>Small-molecule dyes with longer wavelength and higher photoluminescence quantum yield (PLQY) in water have attracted increasing attention due to their bright potential in fluorescence analysis technologies. Here, a red-emitting fluorescent dye of 1,2,4-triaminobenzene (TriAB) was modified with 3-aminopropyltriethoxysilane (APTES) to avoid contact with water molecules and to suppress fluorescence quenching due to O-H vibrations in water. The formation of a silica-like structure from hydrolytically polycondensed APTES was confirmed by X-ray diffractometry and Fourier-transform infrared absorption spectroscopy. Modification of TriAB with hydrolytically polycondensed APTES induced orange emission in the powder state, although TriAB powder did not exhibit any fluorescence before modification. The PLQY of APTES-modified TriAB in water was 11.1 %, which was higher than that of TriAB in water, 4.5 %. These results confirmed that the APTES derived silica-like matrix shielded TriAB from both water and intermolecular interactions with other TriAB molecules, overcoming fluorescence quenching.</div></div>","PeriodicalId":16159,"journal":{"name":"Journal of Luminescence","volume":"277 ","pages":"Article 120980"},"PeriodicalIF":3.3,"publicationDate":"2024-11-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142660187","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A dual channel NIR-fluorescence probe for simultaneous and independent sensing of SO2 and HSA 用于同时独立检测二氧化硫和氢氧化钠的双通道近红外荧光探头

IF 3.3 3区物理与天体物理

Journal of Luminescence Pub Date : 2024-11-09 DOI: 10.1016/j.jlumin.2024.120982

Akshay Kodiyawala, Arindam Mondal, Suban K. Sahoo, Subrata Dutta

{"title":"A dual channel NIR-fluorescence probe for simultaneous and independent sensing of SO2 and HSA","authors":"Akshay Kodiyawala, Arindam Mondal, Suban K. Sahoo, Subrata Dutta","doi":"10.1016/j.jlumin.2024.120982","DOIUrl":"10.1016/j.jlumin.2024.120982","url":null,"abstract":"<div><div>To address the limitations of existing NIR-fluorescent probes that only detect either SO₂ or HSA individually, we have developed a NIR-fluorescent probe (AHN) capable of detecting both SO₂ and HSA independently and concurrently in PBS buffer (pH 7.4, 10 mM). AHN detects HSO₃⁻/SO₃<sup>2</sup>⁻ via nucleophilic addition to a carbon-carbon double bond and HSA via binding to a hydrophobic pocket of HSA. The probe emits distinct fluorescence signals to differentiate between SO₂ (λ<sub>em</sub> = 488 nm) and HSA (λ<sub>em</sub> = 720 nm). It also distinguishes between nucleophilic attacks by HSO₃⁻/SO₃<sup>2</sup>⁻ on free AHN probe (λ<sub>em</sub> = 488 nm) and HSA-bound AHN (λ<sub>em</sub> = 465 nm). The detection limits for SO₂ and HSA are 124 nM and 20.5 nM, respectively, and a detection limit of 22.4 nM for SO₂ in the presence of HSA. Drug competition studies reveal that AHN specifically targets the site-I of the HSA protein. The probe also successfully detects HSA in artificial urine and HSO₃⁻ in real samples, such as water, sugar, non-alcoholic wine, and biscuits. Furthermore, HSO<sub>3</sub><sup>−</sup> can be detected by using simple cotton wool or filter paper.</div></div>","PeriodicalId":16159,"journal":{"name":"Journal of Luminescence","volume":"277 ","pages":"Article 120982"},"PeriodicalIF":3.3,"publicationDate":"2024-11-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142660190","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

Unusual manganese luminescence channels in low doped MgAl2O4 低掺杂 MgAl2O4 中的异常锰发光通道

IF 3.3 3区物理与天体物理

Journal of Luminescence Pub Date : 2024-11-08 DOI: 10.1016/j.jlumin.2024.120970

Yurii Kazarinov , Jens W. Tomm , Andrey Prokhorov , Roman Minikayev , Jaroslaw Z. Domagala , Jevgenijs Gabrusenoks , Anatoli I. Popov , Ilias Shcherbakov , S. Orel , Karina Lamonova

{"title":"Unusual manganese luminescence channels in low doped MgAl2O4","authors":"Yurii Kazarinov , Jens W. Tomm , Andrey Prokhorov , Roman Minikayev , Jaroslaw Z. Domagala , Jevgenijs Gabrusenoks , Anatoli I. Popov , Ilias Shcherbakov , S. Orel , Karina Lamonova","doi":"10.1016/j.jlumin.2024.120970","DOIUrl":"10.1016/j.jlumin.2024.120970","url":null,"abstract":"<div><div>We have done the rigorous characterizing of the Mn-doped MgAl<sub>2</sub>O<sub>4</sub> (Mn = 0, 0.02, 0.04, 0.1 wt%) single crystals and the comprehensive analysis of their optical properties theoretically supported by the Modified Crystal Field Theory to obtain the most complete picture, to date, of the diverse absorption and luminescence behavior of MgAl<sub>2</sub>O<sub>4</sub>:Mn spinels. The study has focused on exploring the formation and coexistence of multivalent states of Mn and identifying the conditions needed for activating luminescence channels. We found that Mn takes the charge state +2, +3 and + 4 and occupies both tetrahedral and octahedral positions. Six luminescence channels related to Mn ions were identified for the first time. Two channels activate the luminescence at 520 nm: intra-atomic transitions in tetrahedral coordinated Mn<sup>2+</sup> ions under VIS-excitation and a recombination Mn<sup>3+</sup>→Mn<sup>2+</sup>→Mn<sup>3+</sup> process involving Mn<sup>3+</sup> in tetrahedral positions under X-ray. Mn<sup>3+</sup> in tetrahedrons and octahedrons activate luminescence channels at 733 and 926 nm under UV-C and VIS excitations. Two distinct processes involving Mn<sup>3+</sup> and Mn<sup>4+</sup> ions in octahedrons result in the luminescence at 651 nm. The first is an intra-atomic transition in the Mn<sup>4+</sup> occurring under VIS-excitation. The second appears through a charge transfer Mn<sup>3+</sup>→Mn<sup>4+</sup>→Mn<sup>3+</sup> in the octahedrons under UV-B-excitation.</div></div>","PeriodicalId":16159,"journal":{"name":"Journal of Luminescence","volume":"277 ","pages":"Article 120970"},"PeriodicalIF":3.3,"publicationDate":"2024-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142660230","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

Impact of PEDOT:PSS/Ti3C2Tx composite hole transport layer on the performance of perovskite light emitting diodes PEDOT:PSS/Ti3C2Tx 复合空穴传输层对包晶石发光二极管性能的影响

IF 3.3 3区物理与天体物理

Journal of Luminescence Pub Date : 2024-11-07 DOI: 10.1016/j.jlumin.2024.120976

Hui Zhang , Zhenyang Wang , Zhixing Chen , Xingyue Zhang , Yuanming Zhou , Fei Mei

{"title":"Impact of PEDOT:PSS/Ti3C2Tx composite hole transport layer on the performance of perovskite light emitting diodes","authors":"Hui Zhang , Zhenyang Wang , Zhixing Chen , Xingyue Zhang , Yuanming Zhou , Fei Mei","doi":"10.1016/j.jlumin.2024.120976","DOIUrl":"10.1016/j.jlumin.2024.120976","url":null,"abstract":"<div><div>The two-dimensional transition metal carbide MXenes, often designated by Ti<sub>3</sub>C<sub>2</sub>T<sub>x</sub>, have garnered significant interest on account of their distinctive optoelectronic characteristics. In this paper, PEDOT:PSS/Ti<sub>3</sub>C<sub>2</sub>T<sub>x</sub> composite hole transport layer (HTLs) was prepared by adding the MXenes material Ti<sub>3</sub>C<sub>2</sub>T<sub>x</sub> into PEDOT:PSS, and quasi-two-dimensional perovskite light-emitting diodes (PeLEDs) were fabricated and investigated. While the addition concentration of Ti<sub>3</sub>C<sub>2</sub>T<sub>x</sub> was 0.25 mg/mL, the optimal device shows the maximum luminance of 6250 cd/m<sup>2</sup>, and the current efficiency of 6.17 cd/A, which is 133 % and 112 % higher than the reference device without Ti<sub>3</sub>C<sub>2</sub>T<sub>x</sub>, respectively. It is indicated that the additive incorporation of Ti<sub>3</sub>C<sub>2</sub>T<sub>x</sub> in PEDOT:PSS can improve the efficiency of hole injection and conductivity of hole transport layer, and passivate the defects of perovskite film, thus enhancing the optoelectronic performance of PeLEDs. The findings of this study indicate that the PEDOT:PSS/Ti<sub>3</sub>C<sub>2</sub>T<sub>x</sub> composite HTLs has considerable potential for application in PeLEDs.</div></div>","PeriodicalId":16159,"journal":{"name":"Journal of Luminescence","volume":"277 ","pages":"Article 120976"},"PeriodicalIF":3.3,"publicationDate":"2024-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142660189","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

AIE-active fluorescence emitters containing tetraphenylethylene and α-cyanostilbene with mechanochromism and photo-responsive behaviors 含有四苯基乙烯和α-氰基二苯乙烯的 AIE 活性荧光发射器，具有机械变色和光响应行为

IF 3.3 3区物理与天体物理

Journal of Luminescence Pub Date : 2024-11-06 DOI: 10.1016/j.jlumin.2024.120973

Haoyu Ma , Xiaoling Niu , Wenlong Qu , Yongliang Liu , Zhen Feng , Shengbo Zhu

{"title":"AIE-active fluorescence emitters containing tetraphenylethylene and α-cyanostilbene with mechanochromism and photo-responsive behaviors","authors":"Haoyu Ma , Xiaoling Niu , Wenlong Qu , Yongliang Liu , Zhen Feng , Shengbo Zhu","doi":"10.1016/j.jlumin.2024.120973","DOIUrl":"10.1016/j.jlumin.2024.120973","url":null,"abstract":"<div><div>Aggregation induced emission luminogens (AIEgens) as one of the optimal alternatives for designing stimuli-responsive fluorophores for real-life applications have sparked much current interest in smart materials design. Herein, the “Star molecules” in AIEgens of α-cyanostilbene and Tetraphenylethylene (TPE) derivatives were constructed into one molecular, namely DC-TPE-tBu and DC-TPE-CN. Both compounds exhibited significant AIE properties. Moreover, the two compounds could change their luminescent colors and intensities under the stimulation of external mechanical force and UV light, showing excellent mechanochromic luminescent (MCL) and remarkable photo-responsive behaviors, respectively. The stimuli responsive mechanisms were investigated by powder X-Ray diffractometer (PXRD) spectra and density functional theory calculations (DFT). The MLC behaviors were associated with the crystalline-to-amorphous transitions after mechanical grinding. These remarkable features make them suitable for the application of mechano/photo-sensors. The studies provide a useful strategy for developing AIE-active functional materials.</div></div>","PeriodicalId":16159,"journal":{"name":"Journal of Luminescence","volume":"277 ","pages":"Article 120973"},"PeriodicalIF":3.3,"publicationDate":"2024-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142660185","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

Theoretical and experimental investigation of BaY2(MoO4)4:xSm3+ phosphors BaY2(MoO4)4:xSm3+ 荧光粉的理论和实验研究

IF 3.3 3区物理与天体物理

Journal of Luminescence Pub Date : 2024-11-06 DOI: 10.1016/j.jlumin.2024.120968

Weiguang Ran, Zicheng Zhang, Fukai Wang, Huixin Jiang, Yue Shao, Xiaoli Ma, Jiayi Geng, Tingjiang Yan

引用次数: 0