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The size-dependent thermal enhancement of down-shifting luminescence based on non-Yb3+-mediated energy migration J. Lumin. (IF 3.6) Pub Date : 2024-03-16 Rui Chen, Jie Xu, Ju Xu, Hang Lin, Yao Cheng, Yuansheng Wang
The past few years have witnessed extensive attention to the size-dependent up-conversion luminescence thermal enhancement of Ln doped nanoparticles, where the involvement of Yb ions seem to be essential. In this work, a size-dependent down-shifting luminescence thermal enhancement behavior of NaGdF:Ce/Tb has been reported. Specifically, it is the first time to realize the size-dependent luminescence
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Research progress in hybrid light-emitting diodes based on quantum dots and organic emitters J. Lumin. (IF 3.6) Pub Date : 2024-03-16 Sijia Yang, Yunfei Ren, Dongxiang Luo, Xin Shang, Wenhui Fang, Siyu Ye, Baiquan Liu
In recent years, hybrid light-emitting diodes based on quantum dots and organic emitters (QD-OLEDs) have been extensively researched. QD-OLEDs have promising applications in the fields of lighting and displays due to the advantages, such as high efficiency, stable emission, high brightness, and superior color rendering properties. In this paper, we have summarized the state-of-the-art concepts to achieve
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Mechanically gated data display via synergizing the mechanochromism of chiral photonic elastomers and optically responsive molecules J. Lumin. (IF 3.6) Pub Date : 2024-03-16 Xiaolan Yu, Jie Liu, Huacan Wu, Yu Dong, Xiaosong Wu, Shiya Zheng, Shiyu Feng, Weiguo Huang
Mechanochromic fluorophores and elastomers gain great potential in dynamic data encryption and anti-counterfeiting due to their instant responses, excellent handleability, high-throughput data-verification, and multi-dimensional security features. However, the reported mechanochromic fluorophores generally require solvent fuming or thermal annealing to revert their responses, sacrificing the handleability
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Polarized photoluminescence and g-factor in an inhomogeneous ensemble of quantum dots in magnetic fields J. Lumin. (IF 3.6) Pub Date : 2024-03-16 Lyubov Kotova, Vladimir Kochereshko
In this work, polarized photoluminescence caused by quasi-equilibrium spin orientation of excitons at Zeeman sublevels in an ensemble of quantum dots of different sizes is studied theoretically. The following unexpected results are found: () the splitting of photoluminescence bands in a magnetic field in an ensemble of quantum dots is much larger than the Zeeman splitting of exciton levels in a single
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Solid solution structural engineering enhances the luminescence of SrMgAl10O17:Cr3+ for agricultural lighting J. Lumin. (IF 3.6) Pub Date : 2024-03-14 Yibiao Ma, Weifang Liao, Beibei Quan, Zihui Kong, Maxim S. Molokeev, Andrey Zolotov, Ming Cheng, Xiaoyan Chen, Zhi Zhou, Mao Xia
Lead-free non-rare earth oxide phosphors have attracted wide attention due to their environmental protection, sustainability, and potential to replace halides and fluorides in the field of plant lighting. Among them, the Cr-excited aluminate phosphor exhibits high brightness, high thermal stability, and far red to near-infrared (NIR) emission due to the influence of the crystal field strength (CFS)
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Energy transfer enabled multiemission KBaLu(BO3)2:Ce3+,Mn2+,Tb3+ phosphors for ratiometric thermometers and WLED J. Lumin. (IF 3.6) Pub Date : 2024-03-14 Yongjie Xia, Zeyu Lyu, Dashuai Sun, Sida Shen, Shuai Wei, Pengcheng Luo, Zheng Lu, Luhui Zhou, Hongpeng You
Phosphors with multiband emissions have unique applications in thermometers and white LED, which can be readily realized by energy transfer. In this work, the energy transfers from Ce to Mn/Tb have been successfully constructed to achieve multiband emission in the KBaLu(BO) (KBLBO) phosphors. KBLBO:Ce can be efficiently excited by the near-ultraviolet light and shows a broad emission band at 453 nm
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[Eu(tta)3(Phen-derived)] complexes: Theoretical and empirical approaches enlightening their photophysical behavior J. Lumin. (IF 3.6) Pub Date : 2024-03-13 Rodolpho A.N. Silva, Jean D.C. Menezes, Gyovanna C. Marineli, Marco A. Cebim, Marian R. Davolos, Sergio A.M. Lima, Ana M. Pires
Motivated by the high demand for efficient luminescent systems, whether new or little explored, a series of complexes based on the Eu ion, coordinated with the β-diketone 4,4,4-trifluoro-1-(thiophen-2-yl)butane-1,3-dione, and several 1,10-phenanthroline derivatives (PIB, PIB_4CH, and PIN_2OH), were synthesized, characterized, and had their optical properties evaluated using PLS. The complex containing
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Antimony doping in A2ZnCl4 (A= Rb, Cs) metal halides enabling tunable near-infrared emission J. Lumin. (IF 3.6) Pub Date : 2024-03-13 Jingheng Nie, Xiangyan Yun, Wenwei Zhao, Runkang Chen, Yuan Zhang, Jiatong Fang, Ban Lan, Renping Cao, Jing Wang
Lead-free metal halides with stable and tunable emission have shown great promise for broad application prospects in the visible light range. However, it remains a fundamental challenge to realize tunable near-infrared (NIR) luminescence in these metal halide materials. Herein, a cation regulation strategy in zero-dimension organic metal halides AZnCl:Sb (A = Rb, Cs) to achieve tunable NIR luminescence
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Multi-mode excited upconversion and downshifting of Ho3+/Yb3+ doped lead-free double perovskite Cs2NaBiCl6 for anti-counterfeiting and thermometry J. Lumin. (IF 3.6) Pub Date : 2024-03-13 Hang Liu, Zhi Ye, Ding Sun, Lixin Zhang, Xueyan Lv, Wentong Cai, Yuhong Zhang
Rear earth(RE)-doped halide perovskite has generated as an amazing optical material for multicolor luminescence. Free-lead halide double perovskites have attracted interesting because of their non-toxicity and higher instability. Here, RE doped chloride-based double perovskite phosphors are reported. A series of heavy concentration Ho/Yb doped CsNaBiCl(CNBC) phosphors are prepared with a solvothermal
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Double-perovskite LaBaZnTa1-xMnxO6 phosphors for wide-range optical thermometer and high-quality WLED devices J. Lumin. (IF 3.6) Pub Date : 2024-03-13 Hong Li, Li Li, Lingsong Mei, Wei Zhao, Xianju Zhou, Huajing Gao, Xiaobing Luo, Yongbin Hua
Due to the huge food demand of the population, the luminescent materials with excellent performance applied for indoor plant cultivation have been extensively studied. In this work, a series of Mn-doped LaBaZnTaO phosphors in were synthesized and its luminescence mechanism has been researched in detail. Due to their broad absorption band, they could be effectively excited by the NUV to blue LED chip
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Optical and luminescent properties of Dy3+/Sm3+ doped and codoped Zinc Borophosphate glasses for W-LED application J. Lumin. (IF 3.6) Pub Date : 2024-03-13 N.F. Dantas, G.H.A. Melo, T.A. Lodi, F. Pedrochi, A. Steimacher
In this work, a series of zinc borophosphate glasses (ZnPBAl), doped and codoped with Dy and Sm, was studied for potential application in W-LEDs. The samples were prepared by the melt-quenching method and their luminescent and optical properties were investigated. The optical absorption spectra presented all Dy and Sm peaks corresponding to the transitions from the H and H states, respectively, to
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The optimized size distribution and NIR persistent luminescence of Zn2Ga2.98-4x/3HfxGe0.75O8:Cr0.02 nanoparticles via high-valence ion doping J. Lumin. (IF 3.6) Pub Date : 2024-03-12 Biying Bao, Shengnan Li, Jian Yang, Jia Song, Shuai Wang, Hancheng Zhu, Duanting Yan, Chunguang Liu, Changshan Xu, Yuxue Liu
In this study, spinel-phase ZnGaGeO (ZGO:Ge) ( = 0–0.90) and ZnGaHfGeO:Cr (ZGGO:Cr,Hf) ( = 0–0.075) nanoparticles were prepared by a hydrothermal method combined with a subsequent vacuum annealing. For Crdoped ZGO:Ge nanoparticles, it was found that the replacement of Ga with high-valence Ge can lead to more uniform morphology and enhanced afterglow. Meanwhile, for ZGGO:Cr,Hf nanoparticles, the non-equivalent
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First principles calculations of structure, vacancy defects, thermodynamic and mechanical properties and near-infrared luminescence properties of Li2CaGeO4 and Er3+: Li2CaGeO4 crystals J. Lumin. (IF 3.6) Pub Date : 2024-03-11 Weiling Yang, Yimin Yang, Rujia Chen, Huisheng Liu, Zhuang Leng, Xiliang Jiang, Zhipeng Zhang, Chunyu Zuo, Lingbo Zhou, Hai Lin, Lina Liu, Shasha Li, Jianhua Hou, Yongji Yu, Fanming Zeng, Chun Li, Zhongmin Su
LiCaGeO and Er: LiCaGeO crystals were successfully grown by TSSG method. The electronic structure, vacancy defects, near-infrared luminescence, thermodynamic stability, and mechanical properties of the crystals were characterized and analyzed by first principles calculation and experimental tests. The results show that LiCaGeO and Er: LiCaGeO crystals are typical wide-gap direct bandgap crystals (3
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Enhanced up-conversion luminescence and temperature sensing performance of NaBiF4: Er3+, Yb3+, Al3+ J. Lumin. (IF 3.6) Pub Date : 2024-03-11 Ling Cao, Le Chen, Yanping Wang, Hancheng Zhu, Xiuling Liu, Xiaoyun Mi
Rare earth doped fluoride-based up-conversion luminescent materials have been widely studied in non-contact temperature sensing technology. However, the luminous intensity of the fluoride at high temperature still needs to be improved. Here, enhanced up-conversion luminescence and temperature sensing performance of NaBiF: Er, Yb is realized by Al substitution. The samples exhibit the characteristic
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Comprehensive investigation of ternary dysprosium complexes for white light emission: Synthesis, spectroscopic and colorimetric analyses J. Lumin. (IF 3.6) Pub Date : 2024-03-11 Vandana Aggarwal, Devender Singh, Anjli Hooda, Sofia Malik, Swati Dalal, Sonia Redhu, Sumit Kumar, Rajender Singh Malik, Parvin Kumar
Dysprosium (Dy) containing four single-molecule complexes with 1,3-diketone ligand, TFPB (4,4,4-trifluoro-1-phenyl-1,3-butadionate) along with neutral co-ligands of varying denticity were synthesized and two of them were explored as potential sources of near-white light emission. The choice of ligand as well as the coordination surroundings of Dy(III) ion significantly influence the blue (B: F → H)
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A high-speed near-infrared optical coherence tomography angiography system for mouse retina J. Lumin. (IF 3.6) Pub Date : 2024-03-11 Wei Yi, Kaixuan Hu, Yi Wan, Fuwang Wu, Weiye Song
Optical coherence tomography angiography (OCTA) is a non-contact, high-resolution biomedical imaging technology widely used in eye disease diagnosis. This paper introduces a novel mouse retinal near-infrared imaging system with a spectral domain OCTA operating at a 250 kHz A-scan rate. The system achieves a 2.3 μm axial resolution and a 1.2 mm, 5.7 dB imaging range. With a robust signal-to-noise ratio
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Enhanced temperature sensing properties in LiYGeO4: Eu3+ phosphors via Bi3+ doping J. Lumin. (IF 3.6) Pub Date : 2024-03-10 Zhiying Wang, Zuoling Fu, Tianqi Sheng, Jinhua Li
Luminescent thermometry has been irreplaceable role in non-contact temperature sensing. However, the relative sensitivity () in some rare earths doped fluoride up-conversion materials still limited below 1% K. Herein, Eu doping LiYGeO (LYGO) phosphors enabled ratio-metric thermometer based on thermal enhancement of Eu−O charge transfer band (CTB) and thermal quenching of 4f-4f transition. The was achieved
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Luminescent manifestations of ytterbium ions in the crystal structure of silicate apatite J. Lumin. (IF 3.6) Pub Date : 2024-03-09 V.A. Pustovarov, D.A. Tavrunov, M.G. Zuev
The manifestation of ytterbium ions in the microcrystals of the SrYYbSiO:Er solid solution with apatite structure was studied on the basis of low-temperature photoluminescence (PL) spectroscopy and spectral-kinetic measurement data. Intracenter down-conversion luminescence of Er ions in the visible and IR ranges was detected. Up-conversion luminescence of Er ions is observed upon IR excitation due
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Brightening lead sensitized terbium emission in zinc sulfide nanoparticles by fine tuning reaction conditions J. Lumin. (IF 3.6) Pub Date : 2024-03-09 Madhumita Bhar, Nayan Bhunia, Prasun Mukherjee
Post-synthetically lead treated terbium cation doped zinc sulfide [Zn(Tb)S], Zn(Tb)S/Pb, nanoparticles (NPs) benefit from presence of two sensitizing components, namely ZnS and Pb. This work systematically investigates the effects of fine tuning the (a) relative reactant concentration, (b) pH, and (c) temperature of the NP's aqueous dispersion, in order to enhance the Tb emission. All these factors
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Optical characteristics and energy transfer analysis of Dy3+-Pr3+ ions doped in CeF3 crystal J. Lumin. (IF 3.6) Pub Date : 2024-03-08 Guoliang Deng, Yilun Yang, Min Xu, Qiannan Fang, Shanming Li, Chengchun Zhao, Yin Hang
The Dy,Pr:CeF single crystal was successfully grown and its optical characteristics were investigated systematically. The analysis of energy transfer process between Dy and Pr in CeF crystal was also carried out. The XRD study shows the crystal belongs to the hexagonal crystal system and its lattice parameters are a = 7.1252 Å and c = 7.2775 Å. The maximum phonon energy of the crystal was speculated
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Preparation of Er3+, Ho3+, Yb3+-doped Bi2WO6 upconversion luminescent materials and their temperature sensing properties J. Lumin. (IF 3.6) Pub Date : 2024-03-08 Munire Maimaiti, Linxiang Wang, Mengliang Jiang, Xin Feng, Yan Zhang
A high-temperature solid-phase method was used to prepare codoped BiWO upconversion luminescent materials with different concentrations of Er, Ho, and Yb. The microstructure, upconversion luminescence and temperature sensing properties of the synthesized powders were analyzed. X-ray diffraction (XRD) patterns showed that the doping of Er, Ho, and Yb did not affect the orthorhombic crystal structure
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Tunable white light emission in antimony doped vacancy-ordered double perovskite Cs2ZrCl6 nanocrystals J. Lumin. (IF 3.6) Pub Date : 2024-03-07 Dengbang Zhao, Ying Liu, Yanbing Han, Xu Chen, Mochen Jia, Jibin Zhang, Linyuan Lian, Di Wu, Xinjian Li, Zhifeng Shi
Design of stable white-light emitting materials based on the emerging lead-free metal halide colloidal nanocrystals is in urgent demand for lighting technology innovation. Herein, we developed a facile hot-injection method and optimize the synthesis conditions to prepare Sb doped CsZrCl nanocrystals with good uniformity and crystallinity. Sb ions were doped into the CsZrCl lattice and proved to occupy
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Br-substituent effect on photoluminescence and scintillation properties of (C6H5C2H4NH3)2PbCl4 perovskite-type compounds J. Lumin. (IF 3.6) Pub Date : 2024-03-07 Shun Matsuzawa, Kai Okazaki, Daisuke Nakauchi, Naoki Kawano, Takeru Suto, Takumi Kato, Noriaki Kawaguchi, Takayuki Yanagida
The photoluminescence and scintillation properties of n-bromophenethylammonium lead chloride ((n-BrPEA)PbCl) (n = 4, 3, and 2) and phenethylammonium lead chloride ((PEA)PbCl) have been investigated. All the samples showed broad emission peaks at 400–700 nm upon excitation by UV light or X-ray. The decay time constants of 8–28 ns were obtained which originated from the recombination of self-trapped
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Dual emissive and stable surface-capped silica based nanoparticles for white light emission J. Lumin. (IF 3.6) Pub Date : 2024-03-07 Santosh Kumar Behera, Rajeswari Kainda, Asish K. Dehury, Yatendra S. Chaudhary
There is an emerging thrust to develop intrinsic white light emitting materials that surpass critical issues of color balance, low color-rendering index, thermal stability, and a bluish tinge displayed by conventional multi-phosphor composite materials. In particular, the luminescent Silica-based nanoparticles (NPs) have drawn attention owing to their abundance and potential applications, such as in
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Highly emissive 0D Tin(II) hybrid for white LED J. Lumin. (IF 3.6) Pub Date : 2024-03-06 Da-Sheng Zheng, Shang-Biao Xiao, Han-Jiang Yang, Zhonghua Deng, Liang-Jin Xu, Zhong-Ning Chen
The pursuit of environmentally friendly and highly luminescent phosphors for down-conversion white light-emitting diodes (WLEDs) remains a significant focus of research. Here, we present a novel zero-dimensional Sn(II) hybrid exhibiting vibrant orange emission peaking at 598 nm and an outstanding photoluminescence quantum yield of 69%. This hybrid, designated as (CHN)SnBr, was synthesized via the reaction
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Synthesis, structural and spectroscopic investigation of Nd3+,Y3+ codoped CaF2 nanoparticles as water colloids: Exploiting emission in the near infrared region for nanothermometry J. Lumin. (IF 3.6) Pub Date : 2024-03-05 Emil Milan, Nicolò Mattei, Francesca Dalla Nese, Angelina Borrelli, Carla Cannas, Francesca Tajoli, Raffaella Signorini, Eros Radicchi, Adolfo Speghini
Nd,Y codoped CaF nanoparticles (NPs) have been synthesized by a microwave-assisted hydrothermal method, using citrate moiety as capping agent. Y ions have been introduced in the crystal structure to declusterize the Nd ions and improve the emission properties. After a structural and morphological characterization of the obtained NPs, the optical properties of colloidal dispersions have been analyzed
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Dual-wavelength lasing at ∼1.2 μm and ∼2.0 μm in a Ho3+-doped fluoroaluminate glass microsphere J. Lumin. (IF 3.6) Pub Date : 2024-03-05 Xiaotong Zhao, Mo Liu, Niannian Xu, Shunbin Wang, Pengfei Wang
This study presents the experimental realization of a microsphere laser resonator designed to operate within the approximate wavelength range of 1.2 μm and 2.0 μm. This resonator, employing a Ho-doped fluoroaluminate glass microsphere, was stimulated by a 1150 nm laser, marking the first demonstration of its kind. The observed laser emissions at ∼1.2 μm and ∼2.0 μm were ascribed to the transitions
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Visible room-temperature emission and excitation photoluminescence in In+- and As+-co-implanted SiO2 films J. Lumin. (IF 3.6) Pub Date : 2024-03-05 Ida Tyschenko, Rafael Batalov, Artemii Shmelev, Zhongbin Si, Vladimir Volodin, Vladimir Popov
The visible room-temperature emission and excitation photoluminescence spectra were studied as a function of the indium and arsenic profiles in the and ion-implanted thermally grown SiO films before and after the annealing at the temperature of 900 °C. As ions at the energy of 40 or 135 keV and In ions at the energy of 50 keV, providing a projective range ratio R/R of 1 or 3, respectively, were used
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Enhancing solar energy utilization: A red-emitting Sr2In0.5Sb0.5O4:Mn4+ phosphor with both UV and green excitation for plant growth J. Lumin. (IF 3.6) Pub Date : 2024-03-05 Kaian Shan, Baolong Jing, Jin Han, Huihui Fei, Yuhang Zhou, Xueqing Xu, Xinmin Zhang
Red light in sunlight promotes plant growth and development, while UV and green light are poorly absorbed by plants. Converting UV and green light into red light can enhance solar energy utilization and improve photosynthetic efficiency, significantly shortening the plant growth cycle. Herein, we report a novel red-emitting SrInSbO:Mn phosphor that can be effectively excited by both UV and green light
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Blue light emissive zero-dimensional hybrid cadmium bromide as fluorescence sensor toward benzaldehyde J. Lumin. (IF 3.6) Pub Date : 2024-03-04 Li-Juan Feng, Hao-Ran Liu, Li-Li Wang, Cheng-Cheng Yang, Yu-Wei Ding, Xiao-Wu Lei, Zhi-Wei Chen
Organic-inorganic hybrid low-dimensional metal halides have been widely studied as a new class of luminescence materials due to abundant structural diversity and intriguing photophysical property. Herein, we explored two new Cd-based 0D halides of [BHEPZ]CdBr (BHEPZ = 1,4-Bis(2-hydroxyethyl) piperazine) and [EPIPZ]CdBr (EPIPZ = 1-ethylpiperazine) through facile wet-chemistry method. These 0D halides
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Mechanism analysis on manipulation of long afterglow luminescence properties of Y3Al5-xGaxO12:Ce3+, Cr3+ phosphors J. Lumin. (IF 3.6) Pub Date : 2024-03-03 Chengyue Li, Xia Cai, Yaochun Qiang, Xuesong Shi, Yujia Jiang, Yan Chen, Fengqin Lai, Bo Wang, Yifan Leng, Weixiong You
Blue-light activated long afterglow luminescence phosphors have attracted much attention because of their potential application in many fields. Herein, the influence of trap depth and the quantity of electrons captured by the traps on the long afterglow luminescence properties were systematically revealed through a comparative analysis of the long afterglow luminescence performance of the series of
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Inorganic metal oxide material BaSiO3:Eu2+ for convenient 3D X-ray imaging J. Lumin. (IF 3.6) Pub Date : 2024-03-03 Kuo Shen, Ruiting Zhang, Yahong Jin, Yanmei Li, Yihua Hu
X-ray storage phosphors are found wide-ranging applications in medical diagnosis, nondestructive testing and X-ray imaging. However, designing X-ray storage phosphors with high electron storage capacity still poses a daunting challenge. In this study, we designed a fluorescent powder based on Eu-doped BaSiO, demonstrating excellent optical information storage characteristic. Under high-energy X-ray
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Doping a highly charged, water-soluble lanthanide complex into a hydrophobic polymer for the preparation of luminescent films J. Lumin. (IF 3.6) Pub Date : 2024-03-02 Narumi Shiraishi, Daisuke Iikura, Ryunosuke Karashimada, Nobuhiko Iki
Doping a highly charged water-soluble complex in a hydrophobic polymethyl methacrylate (PMMA) to form transparent film is demonstrated with using a heptaanionic tri-Tb complex of thiacalix[4]arene--tetrasulfonate (TCAS), formulated as TbTCAS. A bulky hydrophobic countercation, trihexyl(tetradecyl)phosphonium (THTDP), enabled the isolation of the TbTCAS salt, which was soluble in a PMMA solution in
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Ultra-high photoluminescence quantum yield of Bi3+-doped Cs2ZrCl6 double perovskite micro-crystallites by thermal precipitation in ionic liquids J. Lumin. (IF 3.6) Pub Date : 2024-02-29 Guang-Xuan Zhang, Qiao-Yun Yin, Bing Wang, Li-Ying Liu, Li-Yuan Chang, Ru-Zhi Wang
All-inorganic lead-containing perovskites have shown strong luminescence, but the use of lead has hindered their commercial development due to its stability and toxicity. In this paper, we propose thermal precipitation in ionic liquids (ILs) for synthesizing Bi-doped CsZrCl double perovskites (CsZrCl:Bi(ILs)), which have a better crystallinity compared to the CsZrCl:Bi (HCl) synthesized by the traditional
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Preparation of red phosphor K2SiF6:Mn4+ with high water-resistant and negative thermal quenching effect induced by citric acid-passivation J. Lumin. (IF 3.6) Pub Date : 2024-02-29 Yan Yu, Chunxiao Jiang, Guangtao Chang, Sen Liao, Ruoxin Li
Mn-doped fluoride red phosphors are an outstanding choice for warm white light LEDs (WLEDs) and wide color gamut liquid crystal displays due to their broad absorption spectrum in the blue region, narrow emission spectrum in the red region, and high fluorescence quantum efficiency at room temperature. However, these phosphors face limited heat and water resistance challenges, which may impede the practical
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White light emission and energy transfer of high concentration Dy3+/Tm3+ co-doped fluorotellurite glass J. Lumin. (IF 3.6) Pub Date : 2024-02-29 Yuxiao Wu, Jilong Cao, Dechun Zhou, Chunlai Song, Tong Wu, Yuerong Bai, Yuxuan Cong
High concentration Dy/Tm co-doped fluorotellurite glasses were prepared using melt-quenching method. The glass structure, spectral properties, and lifetime decay curves of the glasses were characterized. The results showed that the chromaticity coordinates changed due to the introduction of Tm while the Dy content remained constant. By capitalizing on the overlap region in excitation spectra between
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Achieving multi-wavelength excitation and multi-color tunable emission in self-reducing phosphor of Ba2MgSi2O7: Eu2+/Eu3+ J. Lumin. (IF 3.6) Pub Date : 2024-02-29 Wenying Teng, Houhe Dong, Chen Hu, Xiaowei Yang, Jiaqi Wang, Xukun Liang, Bowen Yang, Jinrui Ru, Bing Teng, Degao Zhong
Phosphors with multi-wavelength response and multi-color luminescence properties play an important role in application of multi-mode optical anti-counterfeiting. In this paper, BaMgSiO: Eu/Eu phosphor with self-reducing effect was synthesized by high-temperature solid-state method in air atmosphere. And by co-doping monovalent ions K/Na/Li, the self-reduction of Eu can be partially inhibited and the
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Long afterglow (LAG) photoluminescence effect in ce-doped optical fiber J. Lumin. (IF 3.6) Pub Date : 2024-02-28 Esra Kendir Tekgül, Şerafettin Yaltkaya
Ce-doped optical fibers were irradiated with various light sources, which are purple, blue, green, and red LEDs, for 30 minutes to investigate their long-after glow (LAG) characteristics. Photons were counted with a photo-multipliers tube (PMT) for 30 min, depending on the time immediately after irradiation. Depending on the wavelength of the LED, the maximum count was obtained as a result of excitation
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Highly efficient single-source white light emission of lead-free double perovskites via ions doping J. Lumin. (IF 3.6) Pub Date : 2024-02-28 Xiaowei Deng, Shanshan Cheng, Xu Chen, Meng Wang, Xu Li, Gaoqiang Li, Dongyang Zhu, Mochen Jia, Xinjian Li, Zhifeng Shi
Lead-free perovskite is a non-toxic and environmentally friendly material, which plays an increasingly significant role in photodetection, luminescence, photovoltaics and so on. In this paper, a single-component white light emission is successfully achieved through the co-doping of Sb, Mn and Tb in CsNaInCl. The photoluminescent mechanism is proved through the spectra measurements and decay dynamics
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Oxygen vacancies based BiOBr nanoflowers saturable absorber and its application in Q-switched mode-locked infrared laser J. Lumin. (IF 3.6) Pub Date : 2024-02-28 Lina Zhao, Cheng Zhang, Luyang Tong, Yangjian Cai, Tingyin Ning, Liren Zheng
In this work, BiOBr nanoflowers with oxygen vacancies as saturable absorber are prepared using hydrothermal method. Passively Q-switched mode-locked infrared laser is achieved. The output power reaches the maximum 312 mW. The minimum Q-switched envelope is 242 ns with the maximum repetition rate of 180.5 kHz. Meanwhile, the mode-locked pulse duration within the Q-switched envelope is approximately
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Generation of Q-switched and mode-locked pulses in erbium-doped fiber ring laser using saturable absorption of Ti2SnC J. Lumin. (IF 3.6) Pub Date : 2024-02-27 Abdulkadir Mukhtar Diblawe, Zian Cheak Tiu, Kaharudin Dimyati, Retna Apsari, Irfan Anjum Badruddin, Sarfaraz Kamangar, Sulaiman Wadi Harun
MAX phase materials have garnered significant attention due to their corrosion resistance, impressive antioxidation and high electrical and optical conductivity. One such material, Titanium Tin Carbide (TiSnC), has demonstrated notable nonlinear optical properties. The saturable absorption of TiSnC, embedded into a polyvinyl (PVA) film, was measured to assess its potential. The TiSnC -PVA film exhibited
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Minute-level synthesis of tunable carbon dots-based phosphorescence materials for information encryption and light-emitting diodes J. Lumin. (IF 3.6) Pub Date : 2024-02-27 Zihan Li, Jiarui Zhou, Runzhi Zhang, Xin Wang, Hua Wei, Xinyu Sun, Wei Hu, Lei Zhao, Mingyang Zhou, Shenghong Yang
The emergence of carbon dots has broadened the design and application of new room-temperature phosphorescence materials, but the mass production of long-lived color-tunable carbon dots-based phosphorescence materials (CDPMs) is still hindered by solvent dependence and time-consuming. In this work, a minute-level solid-phase synthesis strategy was proposed for the preparation of a series of CDPMs through
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Exploring the multi-state photoluminescence of a thermally stable and liquid crystalline organic molecule J. Lumin. (IF 3.6) Pub Date : 2024-02-26 Amina A. Abozeed, Hussain Sami, Ahmed F. Al-Hossainy, Osamu Tsutsumi, Osama Younis
The ability of materials to exhibit efficient fluorescence in both solution and aggregated states opens up new possibilities for their application in areas where both solution-based and solid-state emissions are essential. In this study, we developed a luminescent molecule and conducted investigations into its thermal stability, liquid crystal properties, absorption, and emission behavior. The studied
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In-band luminescence thermometry in the third biological window and multicolor emission of Er-doped fluoride and oxide nanoparticles J. Lumin. (IF 3.6) Pub Date : 2024-02-25 F. Gennari, J. Periša, M. Sekulić, Ž. Antić, M. Dramićanin, A. Toncelli
In this study we present a morphological and spectroscopical characterization of three different erbium doped nanocrystal samples, namely two oxides (YO:3%Er, ScO:3%Er) and one fluoride (YF:5%Er). The spectroscopic study offers a comprehensive comparison of their multicolor emissions, ranging from the visible to the mid-infrared region. Emissions from the first five excited states are presented and
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Integrating interface engineering and plasmonic effect to boost photoresponse performance of ZnO:Ga/GaN heterojunction self-powered UV photodetectors J. Lumin. (IF 3.6) Pub Date : 2024-02-24 Hanzhi Liu, Peng Wan, Mengdan Chen, Tao He, Maosheng Liu, Juan Xu, Caixia Kan, Mingming Jiang
The ability to function without an external power supply makes photodetectors highly promising for use in a new generation of wirelessly and independently operated ultraviolet (UV) photodetection and imaging systems. However, self-powered photodetectors' high dark current, inadequate light harvesting, and poor carrier separation prevent them from attaining high-efficiency UV photodetection and imaging
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Aggregation-induced emission type non-traditional intrinsic luminescent polymers with improved thermal property via one-pot Barbier polymerization-induced emission J. Lumin. (IF 3.6) Pub Date : 2024-02-23 Qian Li, Hang Xiao, Quan-Xi Shi, Xing-Ying Zheng, Hua-Wen Cai, Wen-Ming Wan, Hongli Bao
Developing simple methods to prepare non-traditional intrinsic luminescent (NTIL) polymers with enhanced thermal property are very urgent, interesting and important. Here, we demonstrate a one-pot method to design NTIL polymer with improved thermal property by introducing phenyl ether group into the molecular design of triphenylmethanol-containing polymers via Barbier polymerization-induced emission
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Tunable emission color, energy transfer mechanisms and high thermal stability of Tm3+/Dy3+ co-doped single-phase white luminescent tungstate phosphors J. Lumin. (IF 3.6) Pub Date : 2024-02-22 Feiyan Xie, Junqiang Gu, Dekang Xu, Hao Lin, Yvkun Shi, Sujie Zhang, Dong Wang, Run Zhu, Jinyu Yang
Single-phase white phosphors have broad application prospects in phosphor-converted white light emitting diodes. Herein, a series of novel single-phase Tm/Dy doped NaLu(WO) phosphors were prepared. The detailed investigation of its luminescence behavior showed that NaLu(WO):Tm,Dy achieved tunable luminescence through the energy transfer process of Tm→Dy at 365 nm excitation. According to the concentration-dependent
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Turning self-trapped exciton emission via Sb3+ doping in zero-dimensional hybrid indium chloride for X-ray scintillation J. Lumin. (IF 3.6) Pub Date : 2024-02-21 Haoze Wang, Wenzhi Li, Kaining Wang, Hong Yin, Xin Mao, Ruiling Zhang
Zero-dimensional (0D) hybrid indium halides have recently received great attention for their potential as X-ray scintillators due to their non-toxicity, superior optical properties and exceptional stability. However, most indium halides suffer from low emission efficiency, resulting in inferior performance. Herein, we demonstrate that a small amount of Sb doping can greatly enhance the photoluminescence
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X-ray-excited afterglow below 190 K in Cs2ZnCl4: Mn crystal J. Lumin. (IF 3.6) Pub Date : 2024-02-20 Xiangxiang Chen, Lingyun Liu, Xiaojia Wang, Yuhai Zhang
Compared to the extensive investigations of room-temperature afterglow phosphors, little attention was focused on the low-temperature afterglow phosphor of shallow traps. Here, we report a Mn-doped CsZnCl crystal grown in a hydrothermal reactor. Without Mn doping, the crystal exhibited a purple emission under X-ray excitation. After doping, the crystal showed a green emission at 523 nm. Importantly
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The correlation between structural factors and Stokes shifts in zero-dimensional Antimony(III) halides J. Lumin. (IF 3.6) Pub Date : 2024-02-16 Li Tan, Zhishan Luo, Qian Li, Xiaokun Fan, Chao Zou, Bin Xu, Xiaoyong Chang, Yuanzhu Zhang, Zewei Quan
Zero-dimensional (0D) hybrid metal halides (HMHs) have recently garnered significant attention as promising light emitters due to their distinctively Stokes-shifted broadband emissions resulting from self-trapped excitons (STEs). However, the influence of crystalline structures on the Stokes shift remains inadequately understood. Herein, we design and synthesize a series of 0D (PhP)SbClBr (PhP = t
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Synthesis, crystal structure and photoluminescence properties of Mn4+ activated K2WO2F4·H2O J. Lumin. (IF 3.6) Pub Date : 2024-02-15 Huaiyong Li, Lulu Xing, Shifang Wang, Mingzheng Sun, Yangbo Wang, Xufeng Zhou, Shanshan Du, Wanying Geng, Jigong Hao, Wei Li
Oxyfluorides activated with Mn have great potential in phosphors converted LED. Phosphors with intensive zero phonon line (ZPL) emission are expected to improve the performance of the light sources. Microcrystalline powders of oxyfluoride KWOF·HO activated with Mn were synthesized by using a coprecipitation method. The structural parameters and atomic coordinations of KWOF·HO were determined by both
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Multiple encrypted dynamic fluorescent anti-counterfeiting and optical temperature detection of Ca2Ge7O16:Cr3+, Mn2+ J. Lumin. (IF 3.6) Pub Date : 2024-02-15 Fei Fang, Ye Jin, Hongtao Chen, Huayan Lin, Yuyan Li, Yanbin Xiong, Fancheng Meng, Liangliang Cao, Fuxiang Huang, Li Ma, Xiao-jun Wang, Haishen Ren
In this study, CaGeO:Mn, Cr is successfully synthesized using the solid phase method. Mn ions occupy the Ca cationic site, while Cr ions occupy the octahedral Ge cationic site within the CaGeO lattice. The crystal field strength of the Cr ion is calculated, yielding a Dq/B value of 2.46. Spectral and fluorescence lifetime indicate efficient energy transfer from Mn to Cr ions with the efficiency to
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Batch preparation process of composite materials of quantum dot glass and polystyrene used in backlight displays J. Lumin. (IF 3.6) Pub Date : 2024-02-15 Jiapeng Yang, Zhennan Wu, Yingying Chen, Enrou Mei, Fan Yang, Song Wei, Hongbin Fan, Zhaoping Chen, Weidong Xiang
All-inorganic CsPbX quantum dots (X = Cl, Br, or I) are regarded as a new generation of efficient luminescent materials for displays and solid-state lighting due to their excellent optoelectronic properties. However, the poor stability of CsPbX quantum dots severely hampers their commercial applications. Currently, the in-situ growth of CsPbX quantum dots in amorphous glass has emerged as a crucial
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Highly luminescent CsPbX3/PMMA (X=Br, I) composites with improved stability for full-color Micro-LED displays J. Lumin. (IF 3.6) Pub Date : 2024-02-15 Junhu Cai, Xiang Zhang, Yu Chen, Wenzong Lai, Wenyan Zhang, Zexi Lin, Yun Ye, Sheng Xu, Tailiang Guo, Jiajun Luo, Enguo Chen
Inorganic metal halide perovskite quantum dots (PQDs) have recently emerged as promising candidates for color conversion materials in Micro-LED displays, due to their outstanding color purity, high absorption coefficient, tunable emission wavelength. However the inferior stability and undesirable photoluminescence quantum yield (PLQY) restrict their particle applications. Herein, CsPbX/PMMA (X = Br
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Excitation-dependent correlated color temperature manipulation of white-light emission in Sb3+-doped PMA2ZrCl6 single crystals J. Lumin. (IF 3.6) Pub Date : 2024-02-15 Chenliang Li, Datao Tu, Yuhan Liu, Luping Wang, Mingjie Yang, Zhi Xie, Shaohua Yu, Jin Xu, Xueyuan Chen
Zero-dimensional (0D) organic-inorganic metal halides (OIMHs), which combine the emissions from organics and self-trapped exciton (STE) of metal halides, have been highly anticipated as a new kind of white light-emitting material for a variety of applications. However, the correlated color temperature (CCT) of the white light-emitting OIMHs is generally not tunable, which severely limits their potential
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The research progress of X-ray excited lanthanide-doped nanoparticles J. Lumin. (IF 3.6) Pub Date : 2024-02-15 Xinle Tian, Wenwen Li, Qiyuan Quan, Zier Chen, Yan Su, Sanyang Han, Qianqian Su
X-rays, renowned for their powerful penetration capabilities, are wildly used in medical diagnostics and material sciences. The distinctive electronic configurations of lanthanide-doped nanoparticles result in their unique luminescent properties. In this review, we first discussed the luminescent mechanism of X-ray-activated lanthanide nanomaterials, including conversion, transport, and luminescence
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Photoluminescence of combinatorically sputtered Al2O3–Y2O3 thin films with a Cr3+ and Nd3+ co-doping concentration gradient J. Lumin. (IF 3.6) Pub Date : 2024-02-15 Max Derksen, Giacomo Bosco, Timo Muller, Erik van der Kolk
The characterization of a wide range of luminescent thin films can be a long and tedious endeavor. With reactive combinatorial sputtering of multiple metal targets, it possible to fabricate thin films with a gradient in composition simply by not rotating the substrate. In this work, combinatorically sputtered thin films of Cr and Nd doped in the AlO–YO system (YAlO) are studied for thin film based
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Synthesis, crystal structure and luminescence properties of ultra-broadband full-visible-spectral emission phosphor NaBa3Si2O7F: Bi3+ J. Lumin. (IF 3.6) Pub Date : 2024-02-14 Jie Shen, Zhiming Yuan, Yuan Wang, Liang Dong, Xi Li, Min Zeng, Yongming Hu, Haoshuang Gu, Yuebin Li, Gen Li
In this paper, NaBaSiOF: Bi phosphor was synthesized by solid phase method, and its first-principles calculations, crystal structure and luminescence properties were investigated. First-principles calculations showed that NaBaSiOF is a direct bandgap fluorosilicate. The X-ray powder diffraction (XRD) patterns of the prepared phosphors were synchronized with the referenced data. The morphology of the
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Surface passivation of red-emitting fluoride phosphors by aminocarboxyl complexants to achieve high water-resistance for light-emitting diodes J. Lumin. (IF 3.6) Pub Date : 2024-02-12 Fan Su, Zhiyue Liu, Jieyi Yuan, Li Hou, Tongyi Liang, Yifei Wang, Qinfang Zhang, Yong Dai, Shuhong Cao, Jingwen Chen
Mn-activated fluoride phosphors are promising luminescent materials for use in phosphor-converted white-light-emitting diodes (wLEDs). However, poor water resistance in high humidity environment, one of critical drawbacks of this type of phosphors, has limited their practical applications. To address this issue, we developed a new facile strategy to passivate the surface of phosphors by constructing
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Passivation of defective states in single crystal MAPbBr3 and their optoelectronic properties study J. Lumin. (IF 3.6) Pub Date : 2024-02-12 Hui Li, Jin Wang, Haitao Li, Zhi Guo, Zhenhua Chen
We fabricated high-quality Methylpropyl lead bromide (MAPbBr) single crystals (SC) by introducing moderate amount electron-rich amino-terminated polyoxypropylene (PEA) additives via inverse temperature crystallization (ITC) method. The intramolecular vibrations and defective states of prepared MAPbBr single crystals were systemically studied by the in situ variable-temperature Fourier Transform Infrared