Article
Chemistry, Applied
Jinpin Wu, Weidong Zhuang, Ronghui Liu, Yuanhong Liu, Tongyu Gao, Chunpei Yan, Min Cao, Junhang Tian, Xiaoxia Chen
Summary: Broadband near-infrared phosphors CLHA:Cr3+ and CLHA:Ce3+,Cr3+ were synthesized and their emission properties were studied. Energy transfer mechanism was analyzed and the potential application in nondestructive quality-control analysis systems for food was highlighted.
JOURNAL OF RARE EARTHS
(2021)
Article
Optics
Jia Cui, Panlai Li, Lingwei Cao, Xuejiao Wang, Yao Yao, Mengya Zhang, Mingjie Zheng, Zhibin Yang, Hao Suo, Zhijun Wang
Summary: The Cr3+-doped Ca3Y2Ge3O12 broadband near-infrared phosphor was synthesized by high temperature solid-state reaction, with Ce3+ as a sensitizer to enhance the emission intensity. The energy transfer efficiency between Ce3+ and Cr3+ was found to be as high as 94.21%, expanding the emission range to cover the absorption bands of hydrogen groups. The phosphor Ca3Y2Ge3O12:Ce3+, Cr3+ shows potential for nondestructive food detection based on near-infrared response to hydrogen groups.
JOURNAL OF LUMINESCENCE
(2021)
Article
Chemistry, Applied
Junhe Zhou, Zhangwen Long, Jianbei Qiu, Dacheng Zhou, Jun'an Lai, Xuhui Xu, Songhan Hu, Xizheng Li, Qi Wang
Summary: The study synthesized CGGYT phosphor with a unique crystal structure and achieved PSPL in the NIR-II region. Results show that codoping with Tb3+ can significantly enhance the PSPL effect, providing a new direction for the future development of multimode PSPL materials.
JOURNAL OF RARE EARTHS
(2021)
Article
Chemistry, Applied
Bernhard Walfort, Nando Gartmann, Jafar Afshani, Arnulf Rosspeintner, Hans Hagemann
Summary: The persistent phosphor SrAl2O4:Eu2+,Dy3+ has been studied extensively, but the presence of two different Sr2+ sites occupied by Eu2+ ions in this phosphor is often overlooked. In this study, we propose a general scheme of energy transfers in these materials and experimentally investigate the effect of excitation wavelength on the afterglow and emission decay curves of differently doped SrAl2O4:Eu2+,Dy3+ samples. The results indicate that Dy3+ ions are involved in the trapping process, while excited Eu2+ ions can potentially transfer their energy to trap states. Understanding the contributions of different active ions on lattice sites is crucial for comprehending the afterglow processes.
JOURNAL OF RARE EARTHS
(2022)
Article
Materials Science, Ceramics
Zhongxiang Shao, Xianju Zhou, Li Li, Yongjie Wang, Faling Ling, Chuan Jing, Xiao Tang, Zhongmin Cao
Summary: This study reports the synthesis and properties of a double perovskite phosphor that exhibits broadband near-infrared emission. By employing a co-doping strategy, the thermal stability and spectral width of the phosphor were significantly enhanced. The phosphor was integrated into a LED device and its potential application in night vision was evaluated.
CERAMICS INTERNATIONAL
(2023)
Article
Chemistry, Applied
Sen Wang, Haiyan Wu, Xin Wen, Yanqing Luo, Tao Tan, Shengjian Jiao, Ran Pang, Lihong Jiang, Su Zhang, Da Li, Guanyu Liu, Chengyu Li, Hongjie Zhang
Summary: A series of Eu2+/Dy3+ single doped and co-doped Na3Sc2(PO4)(3) phosphors were synthesized and characterized. The Na3Sc2(PO4)(3):Eu2+,Dy3+ phosphor can emit white light and the color coordinates can be adjusted by varying the Dy3+ concentration. The fluorescence lifetime decrease and the application of Dexter's theory confirm the energy transfer from Eu2+ to Dy3+. These phosphors have potential applications in white LEDs.
JOURNAL OF RARE EARTHS
(2022)
Article
Materials Science, Multidisciplinary
Guohui Wei, Zhijun Wang, Rui Li, Ye Wang, Jiehong Li, Yawei Shi, Shaoxuan He, Yuanbo Yang, Zhiping Yang, Panlai Li
Summary: This study reports the GaTaO4:Cr3+,Yb3+ NIR phosphor with excellent luminescence properties, which is attributed to its unique sandwiched structure and outstanding luminescence mechanism. The phosphor-converted light-emitting diodes (pc-LEDs) fabricated using this phosphor combined with blue LED chips demonstrate potential applications in non-destructive food detection, night vision, and vein display.
ADVANCED OPTICAL MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Yunpeng Zhou, Xinjuan Li, Takatoshi Seto, Yuhua Wang
Summary: This work presents an ultrawide near-infrared emission phosphor Ca3Sc2Si3O12: Cr3+, showing an emission range from 650 to 900 nm under 460 nm excitation. The introduction of Ce3+ as a sensitizer contributes to the improvement of absorption efficiency of Cr3+, demonstrating excellent thermal stability and efficient energy transfer. The near-infrared pc-LED based on this phosphor exhibited high output power and demonstrated excellent performance in penetrating human tissues.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2021)
Article
Chemistry, Applied
Shuwen Yuan, Fugen Wu, Jin Wang, Lulu Lou, Shuang Zhao, Daoyun Zhu, Zhongfei Mu
Summary: This study successfully developed an ultra-broadband NIR phosphor ScNbO4:Cr3+ with a wide emission wavelength range and demonstrated its potential application in non-destructive analysis.
JOURNAL OF RARE EARTHS
(2023)
Article
Chemistry, Applied
Meihua Wu, Wen Chen, Siyuan Liu, Yichao Sun, Lingfeng Huang, Guoliang Chen, Zishan Zheng
Summary: The study synthesized Zr0.97P2O7:0.018Tb3+,0.012Nd3+ long persistent phosphors and investigated their crystal structure, optical properties, and luminescence mechanism. The results showed that the energy transfer from Nd3+ to Tb3+ played a crucial role in enhancing the luminescence performance, and the phosphors exhibited a longer afterglow time.
JOURNAL OF RARE EARTHS
(2021)
Article
Chemistry, Applied
Jinkai Li, Bin Liu, Guiyuan Liu, Quande Che, Yizhong Lu, Zongming Liu
Summary: Uniform Sr2NaMg2V3O12:xEu phosphors with good dispersion were synthesized via solid state reaction. The phosphor exhibited blue-green and red emission under appropriate excitation wavelength. The emission intensity of [VO4]3- decreased while the emission intensity of Eu3+ increased with the increase of Eu3+ content. The phosphor also showed good thermal stability.
JOURNAL OF RARE EARTHS
(2023)
Article
Materials Science, Ceramics
Ting Yu, Haoyang Sheng, Shenghai Chen, Jian Yuan, Tingting Deng, Ming Wu, Yue Guo, Qingguang Zeng
Summary: In this study, the broadband near-infrared emission properties of Cr3+-doped Sc(PO3)3 and the impact of introducing Yb3+ ions on the thermal stability and internal quantum efficiency of the phosphor are reported. By implementing an efficient energy transfer mechanism, a near-infrared pc-LED device has been successfully fabricated.
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
(2022)
Article
Chemistry, Applied
Chao Gu, Yanyun Ding, Xinghua Quan, Mengyao Gong, Jiulong Yu, Dian Zhao, Chunxia Li
Summary: Self-calibrating luminescent thermometry using Nd0.95Yb0.05BPTC material shows promising prospect for temperature measurement in biological fields, with efficient energy transfer from Nd3+ to Yb3+ ions and good exponential-like response to temperature in physiological range.
JOURNAL OF RARE EARTHS
(2021)
Article
Chemistry, Applied
Fuwen Liu, Ying Tian, Degang Deng, Ming Wu, Bowen Chen, Liuyan Zhou, Shiqing Xu
Summary: A novel non-contact optical thermometer utilizing dual-emitting La5Si2BO13:Ce3+,Eu2+ phosphors shows high sensitivity and temperature resolution, particularly effective in low temperature region. The variational emissions of Ce3+ and Eu2+ can be converted to signals for temperature measurement.
JOURNAL OF RARE EARTHS
(2021)
Article
Chemistry, Inorganic & Nuclear
Zejun Ye, Zhijun Wang, Qian Wu, Xiaoxue Huo, Huifang Yang, Yu Wang, Dawei Wang, Jinxin Zhao, Hao Suo, Panlai Li
Summary: An ultra-broadband emission phosphor LiScGeO4:Cr was synthesized for near-infrared pc-LEDs, covering the entire NIR-II window. The broadband emission is attributed to the T-4(2) -> (4)A(2) transition of the Cr3+ ion caused by the olivine crystal structure. NIR pc-LEDs fabricated with this phosphor can penetrate 4 cm thick beef, suggesting potential applications in biological tissue penetration and non-destructive testing.
DALTON TRANSACTIONS
(2021)
Article
Materials Science, Ceramics
Mykhailo Chaika, Wojciech Paszkowicz, Wieslaw Strek, Dariusz Hreniak, Robert Tomala, Nadiya Safronova, Andriy Doroshenko, Sergiy Parkhomenko, Piotr Dluzewski, Miroslaw Kozlowski, Oleh Vovk
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
(2019)
Article
Chemistry, Physical
Maria Luisa Saladino, Marta Markowska, Clara Carmone, Patrizia Cancemi, Rosa Alduina, Alessandro Presentato, Roberto Scaffaro, Dariusz Bialy, Mariusz Hasiak, Dariusz Hreniak, Magdalena Wawrzynska
Article
Materials Science, Multidisciplinary
W. Strek, E. Reszke, P. Psuja, D. Hreniak, R. Tomala, M. Skrajnowska
ECS JOURNAL OF SOLID STATE SCIENCE AND TECHNOLOGY
(2020)
Article
Materials Science, Ceramics
Guangran Zhang, Iva Milisavljevic, Karina Grzeszkiewicz, Piotr Stachowiak, Dariusz Hreniak, Yiquan Wu
Summary: This study demonstrated the fabrication of highly transparent oxide ceramics using the high-entropy principle, achieving complex chemical compositions and excellent optical properties for potential multi-wavelength emission applications.
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
(2021)
Article
Biochemistry & Molecular Biology
Yuriy Gerasymchuk, Wojciech Kalas, Jacek Arkowski, Lukasz Marciniak, Dariusz Hreniak, Edyta Wysokinska, Leon Strzadala, Marta Obremska, Larysa Tomachynski, Viktor Chernii, Wieslaw Strek
Summary: A new conjugate of gallato zirconium phthalocyanine complexes has been developed using alkilamino-modified SiO2 nanocarriers, showing potential for photodynamic therapy of atherosclerosis. The conjugate induces a cytotoxic effect on macrophages without corresponding to reactive oxygen species production, possibly due to SiO2 helping the photosensitizer enter cells effectively. This novel conjugate may be useful in the photodynamic therapy of coronary artery disease.
Article
Biochemistry & Molecular Biology
Lukasz Wasyluk, Vitalii Boiko, Marta Markowska, Mariusz Hasiak, Maria Luisa Saladino, Dariusz Hreniak, Matteo Amati, Luca Gregoratti, Patrick Zeller, Dariusz Bialy, Jacek Arkowski, Magdalena Wawrzynska
Summary: The optimized graphene coating on cobalt-chromium alloy using cold-wall chemical vapor deposition method showed potential for medical applications, with studies on mechanical properties and microstructure. The research confirmed the uniformity of the graphene layer and its biocompatibility for potential use in cardiovascular diseases.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2021)
Article
Chemistry, Physical
Katarzyna Lenczewska, Maciej Ptak, Vitalii Boiko, Karolina Ledwa, Dariusz Hreniak
Summary: The influence of Bi3+ and Yb3+ ion co-doping on the structure, morphology, and luminescence properties of GdVO4 was investigated in this study. The obtained results show that this material has potential applications as a phosphor in luminescent concentrators for solar cells, which can enhance the efficiency of silicon-based solar cells.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Chemistry, Physical
Vitalii Boiko, Zhengfa Dai, Mykhailo Chaika, Karina Grzeszkiewicz, Jiang Li, Wieslaw Strek, Dariusz Hreniak
Summary: In this study, YAGG:Cr3+ nanophosphors were synthesized using the Pechini method and their crystalline size was controlled by annealing. The structure and morphology of the samples were characterized, and the lattice parameters and crystalline sizes were calculated. The effect of crystalline size on the optical properties was investigated through excitation and emission spectra analysis. The probability of carrier recombination and trap redistribution were determined experimentally using thermoluminescence analysis.
Article
Chemistry, Multidisciplinary
Vitalii Boiko, Maria Luisa Saladino, Francesco Armetta, Federica Ursi, Marta Markowska, Karina Grzeszkiewicz, Cecilia Mortalo, Cristina Leonelli, Dariusz Hreniak
Summary: A new method for synthesizing Y3Al2Ga3O12 (YAGG) nanophosphors, which allows the preparation of crystallites with sizes starting from 45 nm, is presented. The controllability of the energy and trap density of the resulting materials by annealing temperature has been confirmed by thermoluminescence measurements. It has been found that annealing temperatures up to 1300 degrees C do not cause significant growth of crystallites, but do affect the activation energy of the persistent luminescence process. Annealing above 1400 degrees C results in grain growth on the submicron scale.
Article
Materials Science, Multidisciplinary
Katarzyna Lenczewska, Damian Szymanski, Dariusz Hreniak
Summary: Microwave-assisted hydrothermal method was used to synthesize single-phase sub-microcrystalline BiVO4:Tm3+ powders with two polymorphic crystal structures. The crystal structure and the size of the crystallites affect the band gap and luminescent properties of BiVO4:Tm3+.
MATERIALS RESEARCH BULLETIN
(2022)
Article
Materials Science, Ceramics
Donglei Wei, Xifeng Yang, Yushen Liu, Yiquan Wu, Dariusz Hreniak
Summary: In this study, Li+ and Eu3+ single-and co-doping were investigated to improve the electronic structure, optical properties, and pollutant-photodegradation efficiency of V2O5. The results showed that Li+ and Eu3+ doping significantly enhanced the photocatalysis of V2O5 due to the increased specific surface area, multivalent V4+/5+ ions, prolonged charge lifetime, and accelerated charge dispersion.
CERAMICS INTERNATIONAL
(2023)
Article
Materials Science, Ceramics
Francesco Armetta, Vitalii Boiko, Dariusz Hreniak, Cecilia Mortalo, Cristina Leonelli, Ludovico Barbata, Maria Luisa Saladino
Summary: This study reports a method for controlling the desired shape and microstructure of YPO4:Eu3+ nanoparticles using the precipitation method followed by hydrothermal treatment. The method allows for highly controlled formation of YPO4:Eu3+ by selecting appropriate synthesis parameters. The shape and size of the nano-needle-shaped particles can be independently controlled in both directions through autoclave processing time, as confirmed by various analytical techniques.
CERAMICS INTERNATIONAL
(2023)
Article
Construction & Building Technology
T. Jesiak, M. Hasiak, A. Laszcz, J. Checmanowski, Y. Gerasymchuk, P. Stachowiak, W. Strek, D. Hreniak
Summary: This study explores the combination of thermal insulation properties of porous oxide material and the exceptional thermal conductivity properties of graphene flakes. Blocks of porous glass foam matrix were prepared using the sol-gel method and heat treatment at 450 degrees C. The microstructure of the samples was analyzed using scanning electron microscopy, Raman spectroscopy, and X-ray diffraction. The thermal and mechanical properties of the samples were discussed in relation to their potential applications as novel thermo-smart composite materials.
CONSTRUCTION AND BUILDING MATERIALS
(2023)
Article
Materials Science, Multidisciplinary
Aleksandra Gerus, Vitalii Boiko, Veronica Concetta Ciaramitaro, Maria Luisa Saladino, Dariusz Hreniak
Summary: This paper reports on the control of high brightness persistent luminescence of the smallest ZGO:Cr nanoparticles by optimizing hydrothermal synthesis parameters. The influence of pH solution, synthesis temperature, and calcination on structure and optical properties was systematically investigated. The results show that different synthesis conditions modify the trap depths distribution, affecting the duration and intensity of persistent luminescence.
MATERIALS RESEARCH BULLETIN
(2023)
