Optical Materials最新文献_第6页

Synthesis, structure, photo- and electroluminescent properties of methyl- and alkoxy-substituted 4-methyl-N-[2-(phenyliminomethyl)phenyl]benzenesulfamides and their zinc(II) complexes 甲基和烷氧基取代的 4-甲基-N-[2-(苯基亚氨基甲基)苯基]苯磺酰胺及其锌（II）配合物的合成、结构、光和电致发光特性

IF 3.8 3区材料科学

Optical Materials Pub Date : 2024-11-01 DOI: 10.1016/j.optmat.2024.116412

Anatolii S. Burlov , Valery G. Vlasenko , Yurii V. Koshchienko , Bogdan V. Chaltsev , Oleg P. Demidov , Alexandra A. Kolodina , Dmitrii A. Garnovskii , Elena V. Braga , Alexey N. Gusev , Wolfgang Linert

{"title":"Synthesis, structure, photo- and electroluminescent properties of methyl- and alkoxy-substituted 4-methyl-N-[2-(phenyliminomethyl)phenyl]benzenesulfamides and their zinc(II) complexes","authors":"Anatolii S. Burlov , Valery G. Vlasenko , Yurii V. Koshchienko , Bogdan V. Chaltsev , Oleg P. Demidov , Alexandra A. Kolodina , Dmitrii A. Garnovskii , Elena V. Braga , Alexey N. Gusev , Wolfgang Linert","doi":"10.1016/j.optmat.2024.116412","DOIUrl":"10.1016/j.optmat.2024.116412","url":null,"abstract":"<div><div>A series of novel Zn(II) bischelate complexes based on azomethines of 2-(<em>N</em>-tosylamino)benzaldehyde and aromatic amines (aniline, 4-methylaniline, 4-methoxyaniline, 2-methoxylaniline, and 4-ethoxylanine) were designed and synthesized with the aim of studying their photo- and electro-luminescent properties. The structures of the synthesized azomethines and their complexes were studied by elemental analysis, infrared (IR) and proton nuclear magnetic resonance (<sup>1</sup>H NMR) spectroscopy. The structure of the Zn(II)-complexes was determined using X-ray diffraction analysis. In the solid state, azomethines exhibit bright luminescence in the yellow part of the spectrum with high emission efficiency and quantum yields of approximately 50 %. Zinc complexes based on them exhibit noticeable luminescence in the solid state and in solutions of methylene chloride. Compared to azomethines, the luminescence maxima of Zn(II) complexes are hypsochromically shifted, and they exhibit pronounced blue-green luminescence. The OLED devices based on zinc(II) complexes emit strong bluish-green light with a peak maximum at 478–490 nm. The device with the best parameters has a maximum luminance of 2103 cd/m<sup>2</sup>, a current efficiency of 14.0 cd/A, and an overall efficiency of 4.8 %, with a turn-on voltage of 3.6 V.</div></div>","PeriodicalId":19564,"journal":{"name":"Optical Materials","volume":"157 ","pages":"Article 116412"},"PeriodicalIF":3.8,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142654273","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Optimal dispersion of antimony-doped tin oxide (ATO NPs) in different NMP solvent ratios for maximizing photovoltaic efficiency of carbon-based perovskite solar cells 掺锑氧化锡（ATO NPs）在不同 NMP 溶剂比中的最佳分散，以最大限度地提高碳基过氧化物太阳能电池的光电效率

IF 3.8 3区材料科学

Optical Materials Pub Date : 2024-11-01 DOI: 10.1016/j.optmat.2024.116414

Ammar Qasem , Abeer A. Hassan , Halema A. Alrafai , Siham K. Abdelrahim , A. Alqahtani , Ali S. Alshomrany , Abdulrakeeb A.A. Ghaleb

{"title":"Optimal dispersion of antimony-doped tin oxide (ATO NPs) in different NMP solvent ratios for maximizing photovoltaic efficiency of carbon-based perovskite solar cells","authors":"Ammar Qasem , Abeer A. Hassan , Halema A. Alrafai , Siham K. Abdelrahim , A. Alqahtani , Ali S. Alshomrany , Abdulrakeeb A.A. Ghaleb","doi":"10.1016/j.optmat.2024.116414","DOIUrl":"10.1016/j.optmat.2024.116414","url":null,"abstract":"<div><div>This study addresses interface defects in tin oxide (SnO₂) electron transport layers (ETLs) for perovskite solar cells (PSCs) by doping SnO₂ with antimony (12.9 % Sb/Sn). Using a diffusion-precipitation method with varying ratios of N-Methyl-2-Pyrrolidone (NMP) and distilled water (DW) as solvents, antimony-doped tin oxide (ATO) nanoparticle layers were formed and deposited on FTO substrates. Structural and compositional analyses (XPS, EDX, and XRD) confirmed successful Sb incorporation, maintaining the SnO₂ lattice with reduced particle size. Higher NMP ratios improved conductivity to 12 S/<em>cm</em>, enhanced charge transport, and raised the bandgap from 3.67 eV to 3.84 eV. Optimal 100 % NMP conditions yielded ATO-based ETLs achieving a power conversion efficiency (PCE) of 23.645 %, with a fill factor (FF) of 43.681 %, open-circuit voltage (V<sub>OC</sub>) of 1.202 <em>V</em>, and short-circuit current density (J<sub>SC</sub>) of 23.87 mA/cm<sup>2</sup>, underscoring the potential of ATO layers for high-performance PSCs.</div></div>","PeriodicalId":19564,"journal":{"name":"Optical Materials","volume":"157 ","pages":"Article 116414"},"PeriodicalIF":3.8,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142654276","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Silane-modified layered double hydroxides with europium sensor for aqueous singlet oxygen detection 硅烷改性层状双氢氧化物与铕传感器，用于水体单线态氧检测

IF 3.8 3区材料科学

Optical Materials Pub Date : 2024-11-01 DOI: 10.1016/j.optmat.2024.116420

Daniel K. Dinga, Lucy Schneider, Ulrich Kynast

{"title":"Silane-modified layered double hydroxides with europium sensor for aqueous singlet oxygen detection","authors":"Daniel K. Dinga, Lucy Schneider, Ulrich Kynast","doi":"10.1016/j.optmat.2024.116420","DOIUrl":"10.1016/j.optmat.2024.116420","url":null,"abstract":"<div><div>A silane-modified layered double hydroxide (LDH) hybrid with a covalently coupled europium complex for aqueous singlet oxygen (<sup>1</sup>O<sub>2</sub>) detection is presented. A Mg/AL-LDH is modified with two alkoxysilanes simultaneously to increase its covalent linkability (using –SH or –NH<sub>2</sub> groups) and to improve its dispersibility in water (using –N<sup>+</sup>(CH<sub>3</sub>)<sub>3</sub> groups). The <sup>1</sup>O<sub>2</sub>-responsive europium complex is coupled to the –SH or –NH<sub>2</sub> - modified LDH employing epoxyphenanthroline (5,6-Epoxy-5,6-dihydro- [1,10]phenanthroline, “ephen”), which is acting as an ancillary ligand to the europium via its hetero-aromatic N-atoms on one hand and allows the covalent linkage of its epoxy-group to the modified LDH on the other hand. In this manner, the silane chains keep the europium complex away from the chemically active LDH surface, hence maintaining its structural integrity and photophysical properties. The result is a water-dispersible probe with a remarkable response to <sup>1</sup>O<sub>2</sub>. This is signaled by the significant increase in the characteristic Eu<sup>3+</sup> emission at 613 nm resulting in up to a 27-fold increase in emission intensity on exposure to <sup>1</sup>O<sub>2</sub> having a decay time of 380 μs. The resulting Eu-LDH hybrid is applicable for heterogeneous aqueous <sup>1</sup>O<sub>2</sub> detection; its long decay time, useful in time-gated measurements, in conjunction with the biocompatibility of LDH makes it particularly suitable for biological matrices, where <sup>1</sup>O<sub>2</sub> needs to be monitored.</div></div>","PeriodicalId":19564,"journal":{"name":"Optical Materials","volume":"157 ","pages":"Article 116420"},"PeriodicalIF":3.8,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142654282","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Tailoring the FTIR, magnetic properties and neutron attenuation capacity of borosilicate glass: Role of Co3O4 调整硼硅玻璃的傅立叶变换红外光谱、磁性能和中子衰减能力：Co3O4 的作用

IF 3.8 3区材料科学

Optical Materials Pub Date : 2024-11-01 DOI: 10.1016/j.optmat.2024.116439

Norah A.M. Alsaif , Hanan Al-Ghamdi , Nada Alfryyan , F.F. Alharbi , A.S. Abouhaswa , R.A. Elsad , Y.S. Rammah

{"title":"Tailoring the FTIR, magnetic properties and neutron attenuation capacity of borosilicate glass: Role of Co3O4","authors":"Norah A.M. Alsaif , Hanan Al-Ghamdi , Nada Alfryyan , F.F. Alharbi , A.S. Abouhaswa , R.A. Elsad , Y.S. Rammah","doi":"10.1016/j.optmat.2024.116439","DOIUrl":"10.1016/j.optmat.2024.116439","url":null,"abstract":"<div><div>For Co<sub>3</sub>O<sub>4</sub>-reinforced borosilicate glasses, the effects of Co<sub>3</sub>O<sub>4</sub> on the physical, FTIR, magnetic, γ-ray accumulation factors, and fast neutron attenuation capability were assessed. The nominal composition created using the traditional melt quench process was 15SiO<sub>2</sub>–20BaF<sub>2</sub>–20Na<sub>2</sub>O-(45-X)B<sub>2</sub>O<sub>3</sub>-XCo<sub>3</sub>O<sub>4</sub>, where X = 0.0 (Co-0.0) – 2.0 (Co-2.0) mol%. The Co-X samples amorphous condition as determined by XRD measurements. Specimen's density increased to 2.90 g/cm<sup>3</sup> from 2.81 g/cm<sup>3</sup>. FTIR measurements verified that there was a conversion of [BO3] to [BO4] groups in the glass networks. As the Co<sub>3</sub>O<sub>4</sub> concentration increased in the glass networks, the saturation magnetization decreased, while the coercivity increased. As photon energy rose, exposure and energy absorption accumulation factors got better. The glass sample designated as Co-2.0 demonstrated the lowest values of both relaxation length (λ<sub>FNRCS</sub>) and half value layer (HVL<sub>FNRCS</sub>). The sample with code Co-2.0 has the best defense against radiation from γ-ray/fast neutrons. The findings verify that the Co-X glasses under investigation are suitable materials for applications involving magnetic and γ-ray/neutron shielding.</div></div>","PeriodicalId":19564,"journal":{"name":"Optical Materials","volume":"157 ","pages":"Article 116439"},"PeriodicalIF":3.8,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142698679","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Regulations of oxygen-silicon ratio and microstructure to enhance laser damage resistance of fused silica via oxygen ion implantation 通过氧离子注入提高熔融石英抗激光损伤性的氧硅比和微观结构调控方法

IF 3.8 3区材料科学

Optical Materials Pub Date : 2024-11-01 DOI: 10.1016/j.optmat.2024.116430

Qingyi Feng , Bo Li , Weiyuan Luo , Xia Xiang , Xiaotao Zu

{"title":"Regulations of oxygen-silicon ratio and microstructure to enhance laser damage resistance of fused silica via oxygen ion implantation","authors":"Qingyi Feng , Bo Li , Weiyuan Luo , Xia Xiang , Xiaotao Zu","doi":"10.1016/j.optmat.2024.116430","DOIUrl":"10.1016/j.optmat.2024.116430","url":null,"abstract":"<div><div>Oxygen ion implantation of fused silica surface was utilized to study the regulation of chemical composition and the evolution of microstructure to understand the enhancement mechanism of the laser damage resistance. The surface quality is improved owing to the passivation of the residual defects of fused silica surface resulted from the surface sputtering induced by the energetic ions. In the un-implanted surface, the oxygen-silicon atomic ratio is 1.9, which increases with the ion fluence. The oxygen ions during the implantation can recombine the oxygen-deficient defects, but the excessive ion fluence will lead to the increased concentrations of the structural defects, especially for POR and singlet oxygen, which is also confirmed by the transformations of the ring structures of SiO<sub>4</sub> tetrahedra in Raman spectra. Oxygen-implantation improve the surface quality, compensate for oxygen deficiency under ultraviolet laser irradiation, and recombine the oxygen-deficient defect, thereby decreasing the probability and growth of laser damage to fused silica. The optimized parameter of ion fluence is 1 × 10<sup>17</sup> ions/cm<sup>2</sup>. This study offers a potential technique to further enhance the resistance to laser damage and growth of fused silica surface, which is crucial for the high-flux output and stable operation of ICF facilities.</div></div>","PeriodicalId":19564,"journal":{"name":"Optical Materials","volume":"157 ","pages":"Article 116430"},"PeriodicalIF":3.8,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142654190","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Evaluating mechanical, durability, and gamma shielding performance in boro-phosphate glasses with tungsten oxide replacements 评估使用氧化钨替代物的硼磷酸盐玻璃的机械性能、耐久性和伽马屏蔽性能

IF 3.8 3区材料科学

Optical Materials Pub Date : 2024-11-01 DOI: 10.1016/j.optmat.2024.116424

H. Es-soufi , L. Ouachouo , M.I. Sayyed , L. Bih

引用次数: 0

Red-shifting and boosting the emission of NaScP2O7:Cr3+ via efficient energy transfer for information encryption and anti-counterfeiting 通过有效的能量转移实现 NaScP2O7:Cr3+ 的红移并增强其发射，用于信息加密和防伪

IF 3.8 3区材料科学

Optical Materials Pub Date : 2024-11-01 DOI: 10.1016/j.optmat.2024.116418

Yuming Yang, Jianhao Zha, Qinan Mao, Fangyi Zhao, Yang Ding, Yiwen Zhu, Jiasong Zhong

{"title":"Red-shifting and boosting the emission of NaScP2O7:Cr3+ via efficient energy transfer for information encryption and anti-counterfeiting","authors":"Yuming Yang, Jianhao Zha, Qinan Mao, Fangyi Zhao, Yang Ding, Yiwen Zhu, Jiasong Zhong","doi":"10.1016/j.optmat.2024.116418","DOIUrl":"10.1016/j.optmat.2024.116418","url":null,"abstract":"<div><div>Highly-efficient near-infrared (NIR) phosphors with long-wavelength emission (>900 nm) are crucial to broaden the potential applications of NIR phosphor-converted light-emitting diodes (pc-LEDs) in practical scenarios. In this study, we synthesized an NIR phosphor, Cr<sup>3+</sup>-activated NaScP<sub>2</sub>O<sub>7</sub> with emission centered at 920 nm and a full width at half maximum (FWHM) of 208 nm. Nevertheless, the phosphor yields an internal quantum efficiency (IQE) of 9.8 %, owing to severe non-radiative relaxation. By introducing Yb<sup>3+</sup> co-dopant into NaScP<sub>2</sub>O<sub>7</sub>:Cr<sup>3+</sup>, the role of Cr<sup>3+</sup> changes from an activator to a sensitizer, enabling efficient Cr<sup>3+</sup>-Yb<sup>3+</sup> energy transfer (ET). The resulting NaScP<sub>2</sub>O<sub>7</sub>:Cr<sup>3+</sup>,Yb<sup>3+</sup> exhibits a characteristic Yb<sup>3+</sup> emission peaking at 1005 nm. Notably, the IQE of the co-doped phosphor is significantly enhanced to 58.9 %, attributed to the suppression of Cr<sup>3+</sup> non-radiative relaxation and the efficient sensitization of Yb<sup>3+</sup> emission through ET. Benefiting from the intensive short-wavelength infrared emission (SWIR), the phosphor demonstrates versatile applications in anti-counterfeiting and information encryption.</div></div>","PeriodicalId":19564,"journal":{"name":"Optical Materials","volume":"157 ","pages":"Article 116418"},"PeriodicalIF":3.8,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142654283","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Preparation and scintillation properties of Eu3+-doped high crystallinity tellurite glass ceramics 掺杂 Eu3+ 的高结晶度碲玻璃陶瓷的制备和闪烁特性

IF 3.8 3区材料科学

Optical Materials Pub Date : 2024-11-01 DOI: 10.1016/j.optmat.2024.116406

Xin Luo , Zhi Hong , Dechen Li , Hailan Hou , Fenqin Lai , Weixiong You , Jianhui Huang

{"title":"Preparation and scintillation properties of Eu3+-doped high crystallinity tellurite glass ceramics","authors":"Xin Luo , Zhi Hong , Dechen Li , Hailan Hou , Fenqin Lai , Weixiong You , Jianhui Huang","doi":"10.1016/j.optmat.2024.116406","DOIUrl":"10.1016/j.optmat.2024.116406","url":null,"abstract":"<div><div>In this study, a high-crystallinity glass-ceramic scintillator doped with Eu³⁺ containing Bi₂Te₄O₁₁ nanocrystals was prepared using a traditional melt crystallization method. The optimal heat treatment conditions, phase structure, and luminescent properties of the glass-ceramics were systematically investigated using various characterization techniques, including DSC, XRD, SEM, and spectrophotometry. To achieve glass-ceramic samples with high transmittance and excellent luminescent performance, the optimal heat treatment process was determined to be 500 °C for 10 min. The final sample was found to have a density of 5.9 g/cm³ and a crystallinity of 70 %. Strong orange-red light emission was exhibited by the glass-ceramic under both 465 nm light and X-ray excitation. The maximum integral X-ray excited luminescence (XEL) intensity was found to reach 20.2 % of that of the commercial Bi<sub>4</sub>Ge<sub>3</sub>O<sub>12</sub> (BGO) scintillation crystal. It is indicated by the research that Eu³⁺-doped high-crystallinity tellurate glass-ceramics are promising candidate materials for scintillators in the field of X-ray detection.</div></div>","PeriodicalId":19564,"journal":{"name":"Optical Materials","volume":"157 ","pages":"Article 116406"},"PeriodicalIF":3.8,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142654300","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Investigating the influence of RF power on the surface morphological and optical properties of sputtered TiO2 thin films 研究射频功率对溅射二氧化钛薄膜表面形貌和光学特性的影响

IF 3.8 3区材料科学

Optical Materials Pub Date : 2024-11-01 DOI: 10.1016/j.optmat.2024.116363

Alireza Grayeli , Azin Ahmadpourian , Stanislav Jurečka , Carlos Luna , Sahar Rezaee , Maryam Karimi

{"title":"Investigating the influence of RF power on the surface morphological and optical properties of sputtered TiO2 thin films","authors":"Alireza Grayeli , Azin Ahmadpourian , Stanislav Jurečka , Carlos Luna , Sahar Rezaee , Maryam Karimi","doi":"10.1016/j.optmat.2024.116363","DOIUrl":"10.1016/j.optmat.2024.116363","url":null,"abstract":"<div><div>Thin films of titanium dioxide (TiO<sub>2</sub>), with thicknesses ranging from 105 to 231 nm, were deposited on glass substrates using radio-frequency (RF) magnetron sputtering in an argon atmosphere at four distinct RF power levels: 40, 70, 100, and 130 W, with the deposition time kept constant. The crystalline structure, surface morphology and optical and semiconductor properties of the obtained films were analyzed using X-ray diffraction (XRD), Atomic Force Microscopy (AFM) and UV–visible transmittance spectroscopy. These analyses revealed that the crystallinity of the films improves with increasing RF power, corresponding to an increase in film thickness. Consequently, the samples transition from poorly crystalline or amorphous structure to a monocrystalline rutile phase with a (110) texture. However, at the highest RF power studied, this texture is partially disrupted by the formation of nanocrystals with different orientations. The surface roughness exhibited multifractal characteristics, with complexity systematically decreasing and surface stiffness reducing as RF power increased. Refractive indices and optical band gap energies were determined using the Swanepoel and Tauc plot methods, respectively. The films exhibited a notable increase in the refractive index and a decrease in the optical band gap, from 3.81 eV to 3.52 eV, as the RF power was increased. This underscores the influence of RF power on the optical and semiconductor properties of TiO<sub>2</sub> films.</div></div>","PeriodicalId":19564,"journal":{"name":"Optical Materials","volume":"157 ","pages":"Article 116363"},"PeriodicalIF":3.8,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142654271","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Laser light illuminant based on YAG: Ce phosphor ceramic with ultra-high luminance, stable output, and excellent heat dissipation 基于 YAG 的激光光源：具有超高亮度、稳定输出和出色散热性能的 Ce 磷光陶瓷

IF 3.8 3区材料科学

Optical Materials Pub Date : 2024-11-01 DOI: 10.1016/j.optmat.2024.116410

Lichao Wang (王立超) , Yang Li (李杨) , Xindi Li (李新娣) , Yiwei Zhu (朱逸玮) , Cheng Zhang (张城) , Jian Kang (康健) , Cen Shao (邵岑) , Le Zhang (张乐) , Jun Zou (邹军)

{"title":"Laser light illuminant based on YAG: Ce phosphor ceramic with ultra-high luminance, stable output, and excellent heat dissipation","authors":"Lichao Wang (王立超) , Yang Li (李杨) , Xindi Li (李新娣) , Yiwei Zhu (朱逸玮) , Cheng Zhang (张城) , Jian Kang (康健) , Cen Shao (邵岑) , Le Zhang (张乐) , Jun Zou (邹军)","doi":"10.1016/j.optmat.2024.116410","DOIUrl":"10.1016/j.optmat.2024.116410","url":null,"abstract":"<div><div>A hundred-watt level blue collimated laser is used to excite YAG: Ce phosphor ceramics to prepare a high-power white laser-based illuminant. A composite ceramic cooling device is prepared to reduce the operating temperature of YAG: Ce phosphor ceramics by using nano-silver to weld ceramics onto a copper block with a water-cooling device. Phosphor ceramics encapsulated with the above device can withstand the excitation of a 123 W blue laser, and its output luminous flux value reaches 14600 lm. The stable output time of the laser-based illuminant is over 30 min, and the operating temperature of the phosphor ceramic surface is only 270 °C. Compared with the non-cooling device package, the luminous flux of the laser-based illuminant composed of phosphor ceramics packaged with the above structure is increased by 252.8 %. The experimental results show that the composite ceramic cooling device can effectively reduce the operating temperature of phosphor ceramics which is an effective way to realize white laser-based illuminants over 10000 lm.</div></div>","PeriodicalId":19564,"journal":{"name":"Optical Materials","volume":"157 ","pages":"Article 116410"},"PeriodicalIF":3.8,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142654272","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0