Article
Chemistry, Inorganic & Nuclear
Xuyang Yuan, Xuean Chen, Weiqiang Xiao, Xiaoyan Song
Summary: A new rare-earth orthoborate Ba2CdSm2(BO3)4 was synthesized using the high temperature molten salt method and its crystal structure was determined. It exhibits a complex three-dimensional framework composed of distorted polyhedra and planar tri-angles, with open channels hosting Ba2+ and Ba2+/Sm3+ cations. The compound shows orange-red emission under near-UV excitation and has stable luminescent properties at elevated temperature.
JOURNAL OF SOLID STATE CHEMISTRY
(2023)
Review
Optics
Ziyu Chen, Hang Zhu, Jiajie Qian, Zhenxiong Li, Xiameng Hu, Yuao Guo, Yuting Fu, Huazhong Zhu, Wei Nai, Zan Yang, Dan Li, Liling Zhou
Summary: With the rapid development of modern technology, optical anti-counterfeiting and encryption using rare earth ion doped materials have gained significant attention. This mini review provides an overview of the luminescent mechanisms, preparation methods, performance characteristics, and anti-counterfeiting applications of rare earth doped materials. Furthermore, it discusses the challenges in this field and potential solutions that are being developed.
Article
Chemistry, Inorganic & Nuclear
Xiao Chen, Yan Peng, Runli Gao, Hongmei Wang, Chengxin Pei
Summary: An isostructural series of rare earth complexes ligated by organoarsinate ligand was successfully synthesized. These complexes exhibit chain-like structures and display magnetocaloric effect and characteristic emission bands.
JOURNAL OF SOLID STATE CHEMISTRY
(2022)
Article
Chemistry, Inorganic & Nuclear
Xuean Chen, Ying An, Xinan Chang, Weiqiang Xiao
Summary: A new cadmium-rare earth oxyborate has been prepared and its luminescence color can be tuned by controlling Sm3+/Dy3+ concentration ratio, indicating its potential as a single-component phosphor for white LEDs. XPS and UV-vis absorption spectra of the compound have also been investigated.
JOURNAL OF SOLID STATE CHEMISTRY
(2021)
Article
Chemistry, Applied
Tatyana V. Balashova, Svetlana K. Polyakova, Vasily A. Ilichev, Andrey A. Kukinov, Roman V. Rumyantcev, Georgy K. Fukin, Ivan D. Grishin, Artem N. Yablonskiy, Alexander F. Shestakov, Mikhail N. Bochkarev
Summary: A series of Sc, Y, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Ho, Er, Tm and Yb complexes with oxybenzoquinoline ligands were synthesized. The structures and photo- and electroluminescent properties of these complexes were studied in solutions and solid state. The complexes exhibited ligand-centered and metal-centered luminescence in both solutions and solid state.
JOURNAL OF RARE EARTHS
(2023)
Review
Materials Science, Multidisciplinary
Hui Zhang, Huqin Zhang, Aizhao Pan, Biao Yang, Ling He, Youshen Wu
Summary: The development and application of white light-emitting diode (WLED) lighting technology is crucial for reducing energy consumption. The emergence of new rare earth-free luminescent materials has the potential to revolutionize WLED technology, offering a promising future with reduced environmental impact. There is still significant potential for further research and exploration in this field.
ADVANCED MATERIALS TECHNOLOGIES
(2021)
Article
Chemistry, Physical
Jinrong Gao, He Bai, Xiao Ling, Yunjiang Yang, Xinru Liu, Zhipeng Fan, Jinrong Bao, Wenxian Li, Ying Liu, Xiaowei Zhu
Summary: A rare earth organic complex with a core-shell structure was successfully synthesized and demonstrated tunable luminescence color by adjusting the doping ratio and coating thickness. The core-shell structure exhibited stronger emission intensity, and the 2.0 nm shell thickness showed a higher emission intensity. These findings suggest the potential applications of this complex in next-generation lighting industry and display systems.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Chemistry, Multidisciplinary
Kun Tang, Xin-Xin Wang, Jin-Jin Zhao, Ning Ren, Jian-Jun Zhang
Summary: This study reports the synthesis, crystal structures, and thermal degradation properties of three new rare earth coordination compounds. Compounds 1-3 exhibit binuclear structures which can form chain-like structures via hydrogen bonding. Compound 2 shows potential application value in the orange-red luminescence region.
ARABIAN JOURNAL OF CHEMISTRY
(2024)
Article
Chemistry, Inorganic & Nuclear
Tatyana V. Balashova, Svetlana K. Polyakova, Maxim V. Arsenyev, Vasily A. Ilichev, Andrey A. Kukinov, Alexey V. Marugin, Roman V. Rumyantcev, Georgy K. Fukin, Artem N. Yablonskiy, Mikhail N. Bochkarev
Summary: A series of rare earth complexes were synthesized, revealing differences in their photo- and electroluminescence as well as photovoltaic properties. The complexes with Acr(Me) ligands of La and Sc showed moderate intensity luminescence, while those with Akr(Br) ligands of Sm, Gd, Tb were non-luminescent. La and Yb complexes exhibited photovoltaic properties.
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY
(2021)
Review
Chemistry, Inorganic & Nuclear
Zi-Xia Chen, Wenlong Liu, Sheng-Ping Guo
Summary: Metal chalcophosphates exhibit chemical and structural diversity due to the different ways phosphorus-sulfur/selenium anionic groups connect. Rare earth metals, known for their unique magneto-optical properties, have attracted great interest and have been widely studied. Recent research progress on rare earth chalcophosphates, focusing on their structures and physical properties, is summarized in this review. It is believed that rare earth chalcophosphates have the potential to be multifunctional materials, and this summary aims to provide insights for the development of new rare earth chalcophosphates.
COORDINATION CHEMISTRY REVIEWS
(2023)
Article
Materials Science, Multidisciplinary
Pieter Dorenbos
Summary: The trends in electronic structure of Bi3+ and Bi2+ in wide bandgap inorganic compounds as luminescent dopants, as well as in pure Bi-compounds for photocatalytic splitting of water, were explored by determination of vacuum referred electron binding energies, with most of the needed data provided by spectroscopy, chemical shift model, and electrochemistry. The trends in VRBE of Bi3+ and Bi2+ ground state and excited state levels resemble that of Ce3+ and Eu2+ lanthanides.
ECS JOURNAL OF SOLID STATE SCIENCE AND TECHNOLOGY
(2021)
Article
Engineering, Chemical
Sheng Chang, Jinshan Zhang, Zhaogang Liu, Kai Gao, Dongliang Zhang, Jin Huang
Summary: The study revealed the activation mechanisms of apatite by polyacrylamide (PAM) during flotation of rare earth minerals in Bayan Obo Ore. It found that multi-layer, non-uniform adsorption of PAM combining physical and chemical adsorption occurs on the surface of apatite, dominated by physical adsorption. Such adsorption activates apatite and causes it to float during the flotation of rare earths, resulting in high phosphorus content in the rare earth concentrate.
ADVANCED POWDER TECHNOLOGY
(2021)
Article
Nanoscience & Nanotechnology
Zixiang Wei, Zhicong Chao, Xindan Zhang, Jiantao Yu, Fan Xiao, Xuanjun Zhang, Leilei Tian
Summary: Mediated Fenton reaction can enhance intracellular oxidative stress through producing toxic ·OH. However, the delivery of Fe2+ in high doses to tumors and its cytotoxicity to normal tissues pose a challenge. Thus, a controllable Fe2+ delivery system has been developed to activate the Fenton reaction and enhance Fe2+ accumulation in tumors.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Chemistry, Inorganic & Nuclear
Xuean Chen, Ruru Bian, Xinan Chang, Weiqiang Xiao
Summary: A new rare-earth borate compound Na3-3 delta Eu2+delta(BO3)(3) with stable luminescence properties at elevated temperature has been successfully synthesized and structurally characterized, showing potential as a reddish-orange phosphor.
SOLID STATE SCIENCES
(2021)
Article
Chemistry, Physical
Yalong Zhai, Xuewei Yang, Shu-Na Zhao, Pei Liu, Jun Lin, Yang Zhang
Summary: Lanthanides doped luminescent materials are crucial in lighting and display techniques. However, the local structure and composition changes induced by doping are not well understood. This study used advanced electron microscopy techniques to reveal the atomic-level structure and composition of Ce3+ doped CaYAlO4, showing significant microstructural and compositional inhomogeneities.
Article
Materials Science, Ceramics
Stefania Sandoval, Elayaraja Muthuswamy, Jiewei Chen, Amparo Fuertes, Gerard Tobias, Alexandra Navrotsky
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
(2020)
Article
Chemistry, Inorganic & Nuclear
Judith Oro-Sole, Carlos Frontera, Ashley P. Black, Augustin Castets, Karen L. Velasquez-Mendez, Josep Fontcuberta, Amparo Fuertes
JOURNAL OF SOLID STATE CHEMISTRY
(2020)
Article
Nanoscience & Nanotechnology
Ines Andron, Lea Marichez, Veronique Jubera, Christine Labrugere, Mathieu Duttine, Christine Frayret, Manuel Gaudon
ACS APPLIED MATERIALS & INTERFACES
(2020)
Review
Chemistry, Physical
Mikko Hongisto, Alexander Veber, Yannick Petit, Thierry Cardinal, Sylvain Danto, Veronique Jubera, Laeticia Petit
Article
Crystallography
Yannick Petit, Gustavo Galleani, Guillaume Raffy, Jean-Charles Desmoulin, Veronique Jubera, Andre Del Guerzo, Andrea Simone Stucchi de Camargo, Lionel Canioni, Thierry Cardinal
Summary: This study demonstrates the 3D precipitation of highly fluorescent silver clusters in a Eu3+-doped silver-containing zinc phosphate glass using direct laser writing. It shows the ability to continuously adjust the local tri-chromatic coordinates in the CIE chromaticity diagram between red and white colors, thanks to the laser-deposited dose and resulting tunable combination of emissions from Eu3+ and silver clusters. Additionally, resonant non-radiative energy transfer from excited silver clusters to Eu3+ is achieved, allowing highly localized energy transfer on demand through laser inscription and opening the route to 3D printing of rare earth ions emission in glass.
Article
Materials Science, Ceramics
Simon Guene-Girard, Veronique Jubera, Francois Weill, Jerome Roger, Alexandre Fargues, Jean-Marc Heintz
Summary: The study showed that silicon increases the densification rate and grain growth of Y3NbO7 powders during natural sintering, but also leads to the formation of a secondary silicate phase. This secondary phase results from the segregation of silicon and can be mapped using electron microscopy and microluminescence. Thermodynamic calculations and phase diagrams were used to interpret the experimental results of the sintering process.
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
(2021)
Article
Chemistry, Inorganic & Nuclear
Augustin Castets, Ignasi Fina, Jhonatan R. Guarin, Judith Oro-Sole, Carlos Frontera, Clemens Ritter, Josep Fontcuberta, Amparo Fuertes
Summary: Developing new synthetic methodologies for perovskite oxynitrides is challenging but essential. This study introduces a novel method for preparing LaTaON2, which can be used as a pigment and photocatalyst. The research reveals the different distribution of oxygen and nitrogen in the I2/m structure, suggesting the synthesis conditions influence the anion order of this perovskite.
INORGANIC CHEMISTRY
(2021)
Article
Materials Science, Ceramics
Florian Calzavara, Mathieu Allix, Marc Dussauze, Veronique Jubera, Marcelo Nalin, Thierry Cardinal, Evelyne Fargin
Summary: Researchers explored glass forming regions in the system GaO3/2 - GeO2 - LaO3/2 - BaO using aerodynamic levitation coupled with laser heating synthesis technique, and established structure-property relationships between the thermal and optical properties of resulting glass. They found that in GeO2-rich compositions, depolymerization of the glass network occurs due to the excess of positive charges.
JOURNAL OF NON-CRYSTALLINE SOLIDS
(2021)
Article
Materials Science, Multidisciplinary
S. Guene-Girard, J. Courtois, M. Dussauze, J-M Heintz, A. Fargues, J. Roger, M. Nalin, T. Cardinal, V Jubera
Summary: Ho3+-doped YNbO4 and Y3NbO7 phosphors were synthesized via a co-precipitation synthesis route, with structural and spectroscopic properties studied as a function of Ho3+ concentration. Different stable phases were observed at varying temperatures, and differences in energy transfers between the two crystalline compounds were attributed to a stronger interaction between holmium cations in the fluorite host lattice.
MATERIALS RESEARCH BULLETIN
(2021)
Article
Materials Science, Multidisciplinary
Ines Andron, Christine Frayret, Manuel Gaudon, Alexandre Fargues, Etienne Durand, Mathieu Duttine, Olivier Toulemonde, Veronique Jubera
Summary: In this study, Ce doped-CaSnF6 was selected and thoroughly characterized to develop new photochromic compounds. The structural and morphological properties were described after optimizing the synthesis route. The optical properties and photochromic origin were supported by various characterizations, including magnetic, RPE, 119Sn Mossbauer, 19F and 1H MAS NMR, revealing the impact of point defects on the visible contribution to the global signal. Further experimental interpretations on the observed photochromism and defect nature were discussed based on a computational approach.
MATERIALS RESEARCH BULLETIN
(2021)
Article
Chemistry, Physical
Rafael Trocoli, Carlos Frontera, Judith Oro-Sole, Clemens Ritter, Pere Alemany, Enric Canadell, M. Rosa Palacin, Josep Fontcuberta, Amparo Fuertes
Summary: Magnetic frustration resulting from competing magnetic interactions leads to unusual ground states. In this study, the synthesis and engineered magnetic interaction design of a new ternary nitride MnTa2N4 were reported. The material exhibits strong magnetic frustration with short-range helicoidal magnetic order and coexistence of spin-glass-like or spin liquid textures.
CHEMISTRY OF MATERIALS
(2022)
Article
Chemistry, Inorganic & Nuclear
Ashley P. Black, Jhonatan R. Guarin, Judith Oro-Sole, Alejandro R. Goni, Carlos Frontera, Amparo Fuertes
Summary: This paper reports the synthesis and luminescent properties of a new oxynitridosilicate NdEuSiO3N. The introduction of nitride induces a red shift in the emission wavelength of this compound.
JOURNAL OF SOLID STATE CHEMISTRY
(2022)
Article
Optics
Tsung-hsun Yang, Benoit Glorieux, Kai-wei Shiau, Yu-yu Chang, Yeh-wei Yu, Ching-cherng Sun
Summary: Phosphor-converted white light emitting diodes (pc-WLEDs) are widely used in various applications worldwide, but there are still many issues to improve the performance of pc-WLEDs. This study focuses on incorporating micron size particles of titanium oxide (TiO2) in silicone encapsulant to optimize the performance of remote phosphor pc-WLED. Two loading conditions of TiO2, sparse and dense, are revealed to adjust essential performance indices of pc-WLEDs.
Article
Chemistry, Inorganic & Nuclear
Jhonatan R. Guarin, Carlos Frontera, Judith Oro-Sole, Jaume Gazquez, Clemens Ritter, Josep Fontcuberta, Amparo Fuertes
Summary: Europium tantalum perovskite oxynitrides were successfully prepared by a new high-temperature solid-state synthesis method. The crystal structure and magnetic properties of the materials can be tuned by different reactant mixtures and gas atmospheres. Among them, Eu3Ta3O3.66N5.34 is the first example of a triple perovskite oxynitride.
INORGANIC CHEMISTRY
(2023)
Article
Chemistry, Multidisciplinary
E. Perez, N. M. Carretero, S. Sandoval, A. Fuertes, G. Tobias, N. Casan-Pastor
MATERIALS CHEMISTRY FRONTIERS
(2020)