Article
Chemistry, Analytical
Chetan B. Palan, Nikhilesh S. Bajaj, Suresh P. Bhagat, Shrinivas K. Omanwar
Summary: In this study, hexagonal structured borate phosphors BaLaB9O16 were synthesized using a combustion method, with color-tunable emission properties achieved by doping Eu3+ and Tb3+. The materials were analyzed for structural and morphological parameters, with photoluminescence results showing good green and red emissions for Tb3+ and Eu3+ doping, respectively, and the co-doped sample exhibiting variable emission from green to red regions by adjusting the excitation wavelength.
Article
Materials Science, Multidisciplinary
Shinho Cho
Summary: Eu3+- or Dy3+-doped YNbO4 phosphors were prepared via solid-state reaction technique with different concentrations of activator ions. The optimal doping concentrations for high-color-purity yellow- and red-emitting phosphors were found to be 5 mol% Dy3+ and 15 mol% Eu3+, respectively.
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
(2022)
Article
Chemistry, Physical
Xiaodan Wang, Penghui Li, Shenghui Zheng, Junpeng Shi, Xiaoyan Fu, Hongwu Zhang
Summary: By co-doping Ce3+ and Nd3+ ions in NaLuF4 phosphors, this study achieved dual-mode luminescence with UV and NIR-II emissions. The enhanced luminescence properties were promoted by adjusting the NaF/LnCl(3) ratio and crystal phase transformation. Under X-ray and 808 nm laser excitation, strong UV and NIR-II emissions were observed, providing potential bio-applications for deep tissue bioimaging and therapy.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Chemistry, Inorganic & Nuclear
O. AitMellal, L. Oufni, M. Y. Messous, M. M. Trandafir, I. M. Chirica, M. Florea, S. Neatu, A. M. Rostas, M. Secu, F. Neatu
Summary: The LaPO4 phosphors prepared by the co-precipitation method showed unique structural and optical properties, with efficient energy transfer from Ce3+ donors to Nd3+ and Tb3+ acceptors. The doping ions were confirmed by electron paramagnetic resonance and UV-visible spectroscopies, and the LaPO4:Yb3+/Er3+ phosphors exhibited up-conversion luminescence under 980 nm laser radiation.
JOURNAL OF SOLID STATE CHEMISTRY
(2021)
Article
Biochemistry & Molecular Biology
Chang-Sung Lim, Aleksandr Aleksandrovsky, Maxim Molokeev, Aleksandr Oreshonkov, Victor Atuchin
Summary: A new set of triple molybdates phosphors were successfully manufactured using microwave-accompanied sol-gel-based process, and the influence of Li+ on their spectroscopic features was investigated. The crystal structures of the samples with different Li doping levels were determined, showing a linear cell volume decrease with increasing Li doping level. The study discussed the upconversion behavior, Raman spectroscopic results, and the impact of Li+ ions on the crystal structure and transition probabilities of the molybdates.
Article
Materials Science, Multidisciplinary
Hiromi Nakano, Shota Ando
Summary: New phosphors Li-M-Ti-O:Mn4+ were synthesized using solid state reaction. A unique superstructure was formed by the periodic insertion of an intergrowth layer into a trigonal structure matrix. The relationship between PL intensity, Mn ion oxidation, and crystal structure was clarified through X-ray diffraction, transmission electron microscopy, and X-ray absorption spectroscopy.
MATERIALS RESEARCH BULLETIN
(2021)
Article
Chemistry, Multidisciplinary
Marcos F. Sousa, Bruno Ribeiro de Mesquita, Joeslei L. Oliveira, Ricardo D. S. Santos, Marcos V. dos S. Rezende
Summary: The effects of Eu incorporation in the RbBaPO4 structure were explored through atomistic simulation and crystal field models. The preferred intrinsic defect type was found to be the anti-site defect. It was observed that Eu3+ tends to enter the Ba site as charge compensation in the presence of RbBa' anti-sites. Crystal field theory revealed that substitution of Eu3+ for Ba2+ in the anti-site defect induces a local symmetry distortion of the slightly distorted C4 type. The 7F1 and 7F2 energy sublevels as well as the 7F1 manifold were successfully reproduced using phenomenological charge factors and non-null crystal field parameters.
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
(2023)
Article
Chemistry, Analytical
Baby Vasanthi, Narayana Panickar Gopakumar, Prabhakaran Sreekumari Anjana, Girija Nair
Summary: In this study, red-emitting Eu3+ activated SrGa2O4 phosphors were successfully synthesized and demonstrated good luminescence and mechanoluminescence properties. The synthesized phosphors showed potential applications in stress sensors, UV or near-UV light-emitting diodes, and phosphor-converted white light-emitting diodes.
Article
Chemistry, Physical
Tatiana I. Krasnenko, Rina F. Samigullina, Natalia A. Zaitseva, Irina I. Ivanova, Stepan V. Pryanichnikov, Maria V. Rotermel
Summary: The effect of magnesium introduction on the structural, thermal, and luminescent characteristics of Zn2SiO4:Mn at a fixed magnesium concentration of 6 at% has been studied. The results show that the introduction of magnesium can modify the crystallographic positions and enhance the photoluminescence performance of the material.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Engineering, Electrical & Electronic
O. Aitmellal, L. Oufni, M. Y. Messous, F. Neatu, M. Florea, S. Neatu, A. M. Rostas, M. Secu
Summary: In this study, Lanthanum orthophosphate (LaPO4) and La0.95-xCe0.05MnxPO4 phosphors were successfully synthesized via a co-precipitation method, resulting in the formation of LaPO4 nanorods. Doping with Mn2+ and Ce3+ led to a slight distortion of the LaPO4 crystalline structure, increased lattice strain, and a reduction of the band gap to 4.70 eV, enabling green emission from Mn2+ ions.
JOURNAL OF ELECTRONIC MATERIALS
(2021)
Article
Chemistry, Physical
Joshua P. Smith, Kurt E. Sickafus, Claudia J. Rawn, Cordell Delzer, Ching-Fong Chen, Charles Melcher
Summary: Li-containing garnet compounds have potential as transparent ceramic dual-mode scintillators, with Li5La3Ta2O12 showing promise due to its properties. This study focused on establishing thermal processing conditions for a sol-gel method and consolidating powders to form high-density ceramics. The experiments showed the presence of two cubic Li5La3Ta2O12 garnet phases with different lattice parameters, indicating a remaining excess of Li in the ceramics.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Materials Science, Multidisciplinary
Mallikarjun H. Anandalli, Rajashekhar F. Bhajantri, Shivaraj R. Maidur, Parutagouda Shankaragouda Patil
Summary: The study investigated the optical properties of solvent cast brilliant green dye-doped poly(vinyl alcohol) composite films, including linear absorption spectra, fluorescence emission wavelength, and nonlinear optical properties. The results indicate that these composite materials have potential for optoelectronic and photonic applications.
JOURNAL OF MATERIALS RESEARCH
(2021)
Article
Chemistry, Physical
Takashi Takeda, Kousuke Kato, Hajime Kiyono, Naoto Hirosaki
Summary: In this study, single phase powders of green emitting Ba2LiSi7-xAlxN12-xOx:Eu2+ phosphor were successfully prepared by controlling starting compositions, annealing conditions, and reaction vessels. The emission peak shifted depending on the Eu concentration, with the highest intensity observed at 3 at%. The phosphor exhibited a small thermal quenching of luminescence intensity and showed a high internal quantum efficiency of 93% when washed with hydrochloric acid solution.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Materials Science, Multidisciplinary
Seiya Shimono, Taichi Izaki, Nagisa Tanaka, Yasushi Nanai, Takaaki Morimoto, Hiroaki Kishimura, Atsushi Aruga
Summary: Green-emitting Tb3+-doped pollucite (Cs1-3xTbx)AlSi2O6 phosphors were successfully synthesized with the optimum doping concentration of x = 0.07 and a quantum efficiency of 83.6%. The emission intensity retention at elevated temperatures for x = 0.07 was found to be 92.7% at 400 K and 78.4% at 500 K, indicating their potential for applications in UV-C excited white light-emitting diodes.
MATERIALS RESEARCH BULLETIN
(2021)
Article
Chemistry, Physical
Charles W. Sinagra, Felix O. Saouma, Calford O. Otieno, Saul H. Lapidus, Jian-Han Zhang, Andrew J. Craig, Pedro Grima-Gallardo, Jacilynn A. Brant, Kimberly A. Rosmus, Kate E. Rosello, Joon I. Jang, Jennifer A. Aitken
Summary: In this study, two quaternary diamond-like semiconductors in the Cu-Zn-Ge-Se system, Cu2ZnGeSe4 and the new Cu4ZnGe2Se7, were compared in terms of their crystal structures, electronic structures, and physicochemical properties. The compounds exhibit different optical bandgaps and SHG responses, with Cu2ZnGeSe4 showing a larger SHG coefficient compared to benchmark materials. Both compounds are air and thermally stable, undergo phase transitions, and have wide windows of optical clarity.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Chemistry, Applied
Yaqian Zhang, Jianming Liu, Yujie Zhang, Haisheng Yang, Yanxia Yu, Qingyun He, Xiaojuan Liang, Yongfu Liu, Weidong Xiang
Summary: This study successfully prepared high-quality and robust YAG:Ce single crystals with high thermal conductivity. Matching these single crystals with lasers achieved high luminous efficiency and saturation threshold. Furthermore, the study systematically investigated the influence of doping concentration and sample processing conditions on laser-driven lighting indicators.
JOURNAL OF RARE EARTHS
(2022)
Article
Engineering, Environmental
Haisheng Yang, Yujie Zhang, Yaqian Zhang, Yi Zhao, Xiaojuan Liang, Guoxin Chen, Yongfu Liu, Weidong Xiang
Summary: Phosphor-in-glass (PiGs) is a key strategy to address thermal issues in high-power white light-emitting diodes and laser diodes. By carefully designing the glass composition and fabricating at a relatively low temperature, high internal quantum efficiency and luminous efficacy have been achieved.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Materials Science, Multidisciplinary
Dahai Hu, Fengxiang Wang, Xiang Li, Yizhi Ma, Yu Zhang, Xinran Wang, Yongfu Liu, Kefu Chao
Summary: Nitride phosphors play a significant role in the performance of white LEDs. Most nitrides require synthesis under high temperature and pressure, but this study successfully obtained CLAN at low pressure and temperature. The luminescence properties of Ce3+ doped CLAN were investigated, and its potential application in white LED was demonstrated.
OPTICAL MATERIALS EXPRESS
(2022)
Article
Materials Science, Multidisciplinary
Hangjie Jiang, Liyan Chen, Guojun Zheng, Zhaohua Luo, Xianhui Wu, Zehua Liu, Ruiyang Li, Yongfu Liu, Peng Sun, Jun Jiang
Summary: This study proposes a new near-infrared light source, GAGG:Cr3+ NIR-cpc-LD ceramic phosphor, with good thermal stability, high efficiency, and ultra-high optical output power. By optimizing the preparation process and ion concentration, high external quantum efficiency and excellent thermal stability are achieved.
ADVANCED OPTICAL MATERIALS
(2022)
Article
Materials Science, Multidisciplinary
Hangjie Jiang, Liyan Chen, Xianhui Wu, Zhaohua Luo, Ruiyang Li, Yongfu Liu, Zehua Liu, Peng Sun, Weixiong You, Jun Jiang
Summary: This work presents a Cr3+-doped gadolinium aluminum gallium garnet (GAGG:Cr3+) NIR ceramic phosphor with a broadband emission and adjustable optical performances. The phosphor exhibits high external quantum efficiency and thermal stability under optimized conditions, making it a promising NIR light source.
ADVANCED MATERIALS TECHNOLOGIES
(2022)
Article
Materials Science, Ceramics
Yukun Li, Zhaohua Luo, Yongfu Liu, Zehua Liu, Svenja Hanson, Hui Lin, Pan Hu, Peng Sun, Jun Jiang
Summary: In the field of high-power white light LEDs/LDs, the main challenge has been obtaining phosphor-converted materials with high thermal stability and high luminous emittance with the proper blue/yellow light ratio. This study proposes the use of (CexY1-x)3(ScyAl1-y)5O12 transparent ceramics to meet this challenge. The addition of Sc3+ regulates the spectra, resulting in blue shifted emission and excitation bands, as well as narrowed full width at half maxima. The prepared Ce:YScAG transparent ceramics exhibit decent thermal quenching performance and high luminous efficiency, making them promising for future high-power LED and LD white lighting applications.
CERAMICS INTERNATIONAL
(2023)
Article
Materials Science, Multidisciplinary
Ye Jin, Zhen Zhou, Rongxia Ran, Shuang Tan, Yongfu Liu, Jinju Zheng, Guotao Xiang, Li Ma, Xiao-jun Wang
Summary: Near-infrared phosphor-converted light-emitting diodes (NIR pc-LEDs) have promising applications in various fields. A novel NIR phosphor Ca2LuScAl2Si2O12:Cr3+ (CLSAS:Cr3+) is reported, which exhibits broadband emission and high internal quantum efficiency. It is used to fabricate NIR pc-LEDs for fast imaging of veins in human palm and fist, as well as night vision for objects.
ADVANCED OPTICAL MATERIALS
(2022)
Article
Materials Science, Multidisciplinary
Hao Liu, Zhongwen Li, Feng Nan, Rongfang Feng, Zhengzhong Zhang, Yongfu Liu
Summary: This study investigated a cyan phosphor with a suitable excitation wavelength and high thermal stability, which plays a key role in color conversion in white LEDs. The phosphor exhibits a high internal quantum efficiency and excellent thermal stability.
MATERIALS RESEARCH BULLETIN
(2023)
Article
Chemistry, Multidisciplinary
Yu Zhang, Xiang Li, Dahai Hu, Qier Sa, Xinran Wang, Fengxiang Wang, Kaixuan Wang, Xuelian Zhou, Zhiqiang Song, Yongfu Liu, Kefu Chao
Summary: In this study, novel Cr3+ and Dy3+ co-doped Gd3Al4GaO12 garnet (GAGG) phosphors were successfully synthesized, leading to a broadband deep-red emission. The internal quantum efficiency of these phosphors reached 86.7% due to the energy transfer from Dy3+ to Cr3+. These phosphors exhibit excellent properties and have promising applications in the agricultural industry.
Article
Materials Science, Multidisciplinary
Chen Jin, Ruiyang Li, Yongfu Liu, Liangliang Zhang, Jiahua Zhang, Peng Sun, Zhaohua Luo, Jun Jiang
Summary: An easy strategy is reported to improve the luminescent properties of GGG:Cr3+ phosphor by optimizing the synthesized technology. The EQE is enhanced to 43.6% and the fabricated pc-LEDs achieve a high WPE of 34.3%. These results demonstrate significant advancements in NIR phosphor materials and NIR pc-LED devices.
ADVANCED OPTICAL MATERIALS
(2023)
Article
Chemistry, Physical
Ziwei Lu, Sunyuezi Chen, Yongfu Liu, Chenxu Yuan, Ruiyang Li, Peng Sun, Zhaohua Luo, Zehua Liu, Jun Jiang
Summary: Developing high-performance broadband near-infrared phosphors for phosphor-converted light-emitting diodes (pc-LEDs) is a challenge. Co-doping Yb3+ into LiGaP2O7:Cr3+ significantly enhances the NIR emission. The NIR pc-LED fabricated using these phosphors exhibits high output power and photoelectric conversion efficiency, making it suitable for night vision and bioimaging applications.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Materials Science, Multidisciplinary
Chen Jin, Ruiyang Li, Yongfu Liu, Chunhui Zhou, Peng Sun, Zhaohua Luo, Zehua Liu, Jun Jiang
Summary: An excellent FR phosphor, Gd3Al4GaO12:Cr3+, with good external quantum efficiency (EQE), suitable photoluminescence, and high thermal stability is developed by optimizing the sintering technology and chemical design. The phosphor has an emission peak at 734 nm and a band width of 70 nm, matching well with the PFR absorption band. By adjusting the flux of H3BO3 and Cr3+ concentration, the EQE reaches 47.2%, and the thermal stability remains at 96.8% at 423 K. The power-conversion efficiency of the FR pc-LED reaches 24.0% driven at 100 mA, demonstrating its high performance and promising applications in the next-generation FR light source.
MATERIALS RESEARCH BULLETIN
(2023)
Article
Optics
Ruiyang Li, Yongfu Liu, Chen Jin, Liangliang Zhang, Jiahua Zhang, Xiao-Jun Wang, Guoxin Chen, Jun Jiang
Summary: A simple strategy of breaking the d-d parity forbidden transitions of Cr3+ in the garnet host by introducing lattice distortions has achieved high-performance NIR phosphors with excellent thermal stability. These NIR phosphors enable unprecedented NIR pc-LEDs with a record WPE, expanding their applications to new areas such as real-time heart rate monitoring and fingerprint recognition.
LASER & PHOTONICS REVIEWS
(2023)
Article
Chemistry, Inorganic & Nuclear
Yuyan Li, Ye Jin, Fei Fang, Huayan Lin, Hongtao Chen, Yanbin Xiong, Yongfu Liu, Li Ma, Xiao-jun Wang
Summary: In this study, a novel high-efficiency broadband NIR phosphor CYMG:Cr3+ was synthesized and integrated with a blue chip to fabricate a micro NIR pc-LED. The CYMG:Cr3+ demonstrated remarkable stability and high performance.
DALTON TRANSACTIONS
(2023)
Article
Materials Science, Multidisciplinary
Liyan Chen, Hangjie Jiang, Zhaohua Luo, Guoqiang Liu, Xianhui Wu, Yongfu Liu, Peng Sun, Jun Jiang
Summary: This study presents a strategy to increase the photoluminescence efficiency and thermal stability of Cs2AgInCl6 by substituting Sc for In. The results show that the efficiency is greatly increased by 43% and the thermal stability is improved from 7.4% to 51.3% at 475 K. This method contributes to the potential application of Cs2AgInCl6 in the future.
MATERIALS ADVANCES
(2022)
Article
Materials Science, Multidisciplinary
A. Aly, M. Ghali, A. Osman, M. K. El Nimr
Summary: This study reports the discovery of naturally occurring luminescent graphene quantum dots (GQDs) in coconut water for the first time. The GQDs were identified through various measurements and were found to have dual sizes and emit different wavelengths of light. The GQDs were also utilized as an efficient optical sensor for aniline liquid detection.
MATERIALS RESEARCH BULLETIN
(2024)
Article
Materials Science, Multidisciplinary
Zehua Chen, Wencheng Ma, Qinglu Fan, Yanhua Liu, Min Sun, Shuo Wang
Summary: The nanoscale e-VOPO4 materials were successfully prepared by hydrothermal synthesis and calcination, showing high purity and suitable particle size. It exhibited satisfactory electrochemical performance as cathode material for sodium ion batteries, making it a potential candidate for high energy storage systems.
MATERIALS RESEARCH BULLETIN
(2024)
Article
Materials Science, Multidisciplinary
Tao Liu, Yahui Liu, Le Ling, Zhongxi Sheng, Zao Yi, Zigang Zhou, Yongjia Yang, Bin Tang, Qingdong Zeng, Tangyou Sun
Summary: In this paper, a terahertz (THz) micronano device that can switch between bimodal absorption and plasmon-induced transparency (PIT) is proposed. The device consists of layers of graphene, silica, and vanadium dioxide, and has a simple structure, easy tuning, and wide-angle absorption. The device achieves perfect absorption at specific frequencies and is highly sensitive to environmental refractive index. It also has the functions of a three-frequency asynchronous optical switch and slow light effect.
MATERIALS RESEARCH BULLETIN
(2024)
Article
Materials Science, Multidisciplinary
Xiaobo Luo, Songhan Hu, Qiudong Duan, Dacheng Zhou, Jialin Chen, Yugeng Wen, Jianbei Qiu
Summary: The exploration of solar light absorption by a material is important in photonics and optoelectronics. This study reveals the potential of Ba3-xGa2O6:xBi3+ as a promising candidate for various photonic and optoelectronic applications, and demonstrates the use of the material in double-sided laser printing for three-dimensional optical imaging.
MATERIALS RESEARCH BULLETIN
(2024)
Article
Materials Science, Multidisciplinary
Hemin Wang, Yanling Hao, Lele Xiang, Xiaosi Qi, Lei Wang, Junfei Ding, Yunpeng Qu, Jing Xu, Wei Zhong
Summary: This study designed Fe3O4-FeCO3/MWCNTs/RGO MCNCs composites and fabricated large-scale samples using hydrothermal and freeze-drying methods. The microstructural investigation showed that these materials had a mixed-dimensional structure, which improved impedance matching features, polarization, and conduction loss abilities, leading to significantly enhanced electromagnetic absorption properties.
MATERIALS RESEARCH BULLETIN
(2024)
Article
Materials Science, Multidisciplinary
Zhenshan Yu, Hao Chen, Xuequan Chen, Yu-Sheng Lin
Summary: This study presents a silicon dielectric metamaterial (SDM) composed of two outer symmetric semi-circular rings and two inner symmetric split-ring resonators (SRRs). The electromagnetic responses of the SDM device in different modes were studied through numerical simulations and experiments. Increasing the structure height of the SDM device resulted in red-shifted resonances and stronger intensities. This study provides a new design strategy for the development of frequency filtering, polarization switching, and resonance modulation characteristics in THz-wave applications.
MATERIALS RESEARCH BULLETIN
(2024)
Article
Materials Science, Multidisciplinary
Yiming Qi, Na Zhang, Meng Zong, Yangxianzi Liu, Weixing Chen
Summary: This study prepares dielectric/carbon fiber based nanocomposites wave-absorbing materials using liquid diffusion and high temperature carbonization strategies. By tuning the element type, drying mode, and filling amount, the electromagnetic parameters and absorbing properties can be adjusted. The best synthesized sample shows excellent absorbing performance, making it suitable for a wide range of electromagnetic wave absorption applications.
MATERIALS RESEARCH BULLETIN
(2024)
Article
Materials Science, Multidisciplinary
Carlos D. Gonzales-Lorenzo, T. K. Gundu Rao, Alberto A. Ccollque-Quispe, Jorge Ayala-Arenas, Monise B. Gomes, Betzabel N. Silva-Carrera, Roseli F. Gennari, Valeria S. Pachas, F. Monzon-Macedo, H. Loro, Jose F. D. Chubaci, Nilo F. Cano, Rene R. Rocca, Shigueo Watanabe
Summary: In this study, CaSiO3 doped with different ppm of Eu was synthesized using the devitrification method. Various physical properties were analyzed, revealing that the intensity and temperature of the high-temperature TL peak increased with higher dopant amounts. Fluorescence measurements indicated the presence of Eu2+ and Eu3+ ions in the samples. EPR spectra confirmed the existence of two defect centers.
MATERIALS RESEARCH BULLETIN
(2024)
Article
Materials Science, Multidisciplinary
Yanning Qu, Xinyang Li, Mei Cui, Renliang Huang, Wanquan Ma, Yunting Wang, Rongxin Su, Wei Qi
Summary: In this study, a new molybdenum disulfide/N,S-doped carbon quantum dots (MoS2/N,S-CQDs) heterojunction with enhanced light absorption and electrons transfer di-functional properties was constructed via a facile one-pot hydrothermal method. The heterojunction showed remarkable efficiencies in degrading methylene blue (MB) and malachite green (MG) in an actual water system under simulated sunlight irradiation. The facile synthetic technique and effective multifunctional properties of the composite have the potential for further research and industrial applications.
MATERIALS RESEARCH BULLETIN
(2024)
Article
Materials Science, Multidisciplinary
Jiayi Wang, Penggang Ren, Xueyan Zhao, Zhengyan Chen, Yanling Jin, Zengping Zhang
Summary: In this study, a novel homojunction photocatalyst was developed by combining defective g-C3N4 and flaked g-C3N4, which showed excellent degradation performance and cycling stability, and exhibited practicality in several simulation experiments.
MATERIALS RESEARCH BULLETIN
(2024)
Article
Materials Science, Multidisciplinary
Jing Yan, Xiaoxiao Zhao, Weixing Chen, Panbo Liu
Summary: This research presents a self-templated strategy to prepare a spherical superstructure of carbon nanorods through material modification and pyrolysis. The resulting material exhibits a large controllable radius of curvature and shows excellent microwave absorbing properties due to its high specific surface area and mesoporous structure.
MATERIALS RESEARCH BULLETIN
(2024)
Review
Materials Science, Multidisciplinary
Qinglin Zeng, Zepeng Lv, Shaolong Li, Bin Yang, Jilin He, Jianxun Song
Summary: Liquid metal batteries possess stable safety performance, high rate performance, and thermal stability. The electrolyte, an important component of the battery, plays a significant role in achieving these remarkable performance characteristics. This paper reviews the important research progress of liquid metal batteries electrolyte and discusses the influence of different electrolyte types on energy efficiency. It also highlights the limitations and challenges of existing electrolytes and proposes key development directions for liquid metal electrolytes.
MATERIALS RESEARCH BULLETIN
(2024)
Article
Materials Science, Multidisciplinary
Song Wu, Junli Wang, Xuanbing Wang, Di Jiang, Jinlong Wei, Xiaoning Tong, Zhenwei Liu, Qingxiang Kong, Naixuan Zong, Ruidong Xu, Linjing Yang
Summary: In this study, a composite electrode composed of Ti/TiH2/beta-PbO2_Mn3O4@C was fabricated and investigated for zinc electrowinning. The composite electrode exhibited low overpotential, Tafel slope, icorr, and high voltage stability, outperforming most reported Ti-based PbO2 electrode materials. The excellent catalytic activity can be attributed to the low resistance and porous interlayer of TiH2 nanosheets, as well as the addition of Mn3O4@C micro-flakes to the active layer.
MATERIALS RESEARCH BULLETIN
(2024)
Article
Materials Science, Multidisciplinary
E. Tsoutsoumanos, T. Karakasidis, N. Laskaris, P. G. Konstantinidis, G. S. Polymeris, G. Kitis
Summary: This study investigates the correlation between nanocrystal dimensions and thermoluminescence signal magnitude through simulations conducted in Python. Two mathematical models, OTOR and IMTS, were used to derive theoretical luminescence signals. The obtained results were compared with experimental data and a thorough comparative discussion was conducted.
MATERIALS RESEARCH BULLETIN
(2024)
Article
Materials Science, Multidisciplinary
Vishnu Aggarwal, Sudhanshu Gautam, Aditya Yadav, Rahul Kumar, Bipul Kumar Pradhan, Brajesh S. Yadav, Govind Gupta, Senthil Kumar Muthusamy, Sumeet Walia, Sunil Singh Kushvaha
Summary: Recently, there has been a great demand for highly responsive photodetectors that can detect a wide range of wavelengths. Researchers have successfully fabricated a broadband metal-semiconductor-metal photodetector by integrating sputtered Bi2Se3 with laser molecular beam epitaxy grown GaN film. This photodetector shows high responsivity in both the ultraviolet and near-infrared regions.
MATERIALS RESEARCH BULLETIN
(2024)
