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Zhang T, Wang Z, Hou J, Xu X, Zhao X, Li Z, Di S. Up-Conversion Luminescence and Optical Temperature Sensing Properties of NaLuF 4:Yb 3+/Ho 3+ Micron-Sized Crystals at Low Temperature. NANOMATERIALS (BASEL, SWITZERLAND) 2024; 14:1292. [PMID: 39120397 PMCID: PMC11314577 DOI: 10.3390/nano14151292] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2024] [Revised: 07/27/2024] [Accepted: 07/29/2024] [Indexed: 08/10/2024]
Abstract
Non-contact temperature sensors utilising the fluorescence intensity ratio and the unique up-conversion (UC) luminescence of rare-earth ions have numerous benefits; however, their operational temperature range has remained limited. In this study, NaLuF4:Yb3+/Ho3+ samples were prepared by the hydrothermal method. The samples exhibited exceptional UC luminescence properties at low temperatures. The intensity of the green emission (with peak wavelengths of 540 and 546 nm) gradually decreased with increasing temperature, and the green emissions showed a unique change at low temperatures. In addition, we studied the dependence of the UC luminescence intensity on the excitation power and the variation in the decay lifetime with temperature. The experiments revealed excellent luminous performance and significantly enhanced sensitivity at low temperatures; the maximum absolute sensitivity Sa and relative sensitivity Sr of the 540 and 546 nm thermally coupled energy levels were 1.02% and 0.55% K-1, respectively. The potential temperature sensing properties of Yb3+/Ho3+-co-doped NaLuF4 makes it suitable for temperature sensing applications at temperatures as low as 30 K. This study offers a novel approach for the advancement of temperature sensing technology at low temperatures.
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Affiliation(s)
- Tian Zhang
- Institute of Physics and Optoelectronics Technology, Baoji University of Arts and Sciences, Baoji 721016, China; (T.Z.); (J.H.); (X.X.); (X.Z.); (Z.L.); (S.D.)
| | - Zhaojin Wang
- Institute of Physics and Optoelectronics Technology, Baoji University of Arts and Sciences, Baoji 721016, China; (T.Z.); (J.H.); (X.X.); (X.Z.); (Z.L.); (S.D.)
- Baoji Ultrafast Lasers and Advanced Materials Science and Technology Center, Baoji 721016, China
| | - Jin Hou
- Institute of Physics and Optoelectronics Technology, Baoji University of Arts and Sciences, Baoji 721016, China; (T.Z.); (J.H.); (X.X.); (X.Z.); (Z.L.); (S.D.)
| | - Xinyi Xu
- Institute of Physics and Optoelectronics Technology, Baoji University of Arts and Sciences, Baoji 721016, China; (T.Z.); (J.H.); (X.X.); (X.Z.); (Z.L.); (S.D.)
| | - Xin Zhao
- Institute of Physics and Optoelectronics Technology, Baoji University of Arts and Sciences, Baoji 721016, China; (T.Z.); (J.H.); (X.X.); (X.Z.); (Z.L.); (S.D.)
| | - Zijie Li
- Institute of Physics and Optoelectronics Technology, Baoji University of Arts and Sciences, Baoji 721016, China; (T.Z.); (J.H.); (X.X.); (X.Z.); (Z.L.); (S.D.)
| | - Siyi Di
- Institute of Physics and Optoelectronics Technology, Baoji University of Arts and Sciences, Baoji 721016, China; (T.Z.); (J.H.); (X.X.); (X.Z.); (Z.L.); (S.D.)
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Dobretsova E, Alimov O, Rusanov S, Kashin V, Tsvetkov V. Selective Laser Spectroscopy of the Bixbyite-Type Yttrium Scandate Doped by Rare-Earth Ions. MATERIALS (BASEL, SWITZERLAND) 2023; 16:6829. [PMID: 37959426 PMCID: PMC10650180 DOI: 10.3390/ma16216829] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 10/20/2023] [Accepted: 10/21/2023] [Indexed: 11/15/2023]
Abstract
Yttrium scandate crystals doped by Nd3+ and Tm3+ ions have been successfully grown in the form of fibers using the laser-heated pedestal growth (LHPG) technique. The selective laser spectroscopy methods have identified and distinguished three distinct types of optically active centers associated with Nd3+ and Tm3+ ions. The substitution of Y3+ and Sc3+ for rare-earth ions in the C2 structural site leads to the formation of two distinct basic long-time centers. In Nd3+:YScO3, another type of center (a short-lifetime one) is formed known as the Nd3+-Nd3+ aggregate pair. This center arises from the substitution of Y3+ or Sc3+ for Nd3+ cation in the adjacent MO6 polyhedra that share an edge. In Tm3+:YScO3, the third optical center is formed as a result of the substitution of Y3+ or Sc3+ for Tm3+ in the MO6 octahedra with the C3i site symmetry. The fluorescence decay lifetimes of Nd3+ and Tm3+ ions in the YScO3 crystal structure have been accurately measured and estimated. A Stark level diagram illustrating the splitting of 4F3/2, 4I11/2, and 4I9/2 multiplets of Nd3+ ions has been constructed to show features of the active optical centers with the C2 site symmetry.
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Affiliation(s)
- Elena Dobretsova
- Prokhorov General Physics Institute of the Russian Academy of Sciences, 119991 Moscow, Russia; (O.A.); (S.R.); (V.K.); (V.T.)
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3
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Kumar A, Crista DMA, Núñez-Montenegro A, Esteves da Silva JCG, Verma SK. Annealing-assisted optimization for persistency of afterglow of SrAl 2O 4:Eu 2+/Dy 3+ microparticles for forensic detection. RSC Adv 2023; 13:28676-28685. [PMID: 37790103 PMCID: PMC10543204 DOI: 10.1039/d3ra03872f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Accepted: 08/17/2023] [Indexed: 10/05/2023] Open
Abstract
In the present work, Eu2+/Dy3+ ions doped/co-doped into persistent SrAl2O4 microparticles have been developed through solid-state synthesis followed by homogenization and particle size reduction in a ball milling device. These particles have shown a broad and long-persistent afterglow around the 528 nm wavelength of electromagnetic radiation through a broad excitation at around 400 nm. The luminescence intensity was optimized through the selection of different annealing temperatures in the range of 1100 °C to 1500 °C, with intervals of 100 °C. Several structural and optical characterization techniques, such as XRD, SEM, FTIR, thermogravimetric analysis, and photoluminescence, were utilized to judge the preparation and ability of these particles in possible applications in latent fingermark detection on various difficult surfaces. The persistency and stability of these particles were calculated using a digital lux meter.
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Affiliation(s)
- Abhishek Kumar
- Chemistry Research Unit (CIQUP), Institute of Molecular Sciences (IMS), Departamento de Geociências, Ambiente e Ordenamento do Território, Faculdade de Ciências, Universidade do Porto Rua do Campo Alegre s/n Porto 4169-007 Portugal
- Department of Physics & Electronics, Kamla Nehru Institute of Physical and Social Sciences (KNIPSS) Sultanpur Uttar Pradesh 228118 India
| | - Diana M A Crista
- Chemistry Research Unit (CIQUP), Institute of Molecular Sciences (IMS), Departamento de Geociências, Ambiente e Ordenamento do Território, Faculdade de Ciências, Universidade do Porto Rua do Campo Alegre s/n Porto 4169-007 Portugal
- Ferreira Martins & Filhos - Madeiras e Derivados S. A. R. Pinheiro 3 4710-348 Braga Portugal
| | - Ara Núñez-Montenegro
- Chemistry Research Unit (CIQUP), Institute of Molecular Sciences (IMS), Departamento de Geociências, Ambiente e Ordenamento do Território, Faculdade de Ciências, Universidade do Porto Rua do Campo Alegre s/n Porto 4169-007 Portugal
- Ferreira Martins & Filhos - Madeiras e Derivados S. A. R. Pinheiro 3 4710-348 Braga Portugal
| | - Joaquim C G Esteves da Silva
- Chemistry Research Unit (CIQUP), Institute of Molecular Sciences (IMS), Departamento de Geociências, Ambiente e Ordenamento do Território, Faculdade de Ciências, Universidade do Porto Rua do Campo Alegre s/n Porto 4169-007 Portugal
| | - Santosh Kumar Verma
- School of Chemistry and Chemical Engineering, Yulin University Yulin City 719000 Shaanxi China
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Jung KY. Aerosol synthesis of TiO 2:Er 3+/Yb 3+ submicron-sized spherical particles and upconversion optimization for application as anti-counterfeiting materials. RSC Adv 2020; 10:16323-16329. [PMID: 35498821 PMCID: PMC9052833 DOI: 10.1039/d0ra01549k] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Accepted: 04/19/2020] [Indexed: 11/21/2022] Open
Abstract
Er3+/Yb3+-doped TiO2 up-conversion (UC) phosphors were prepared by spray pyrolysis, and the UC luminescence properties were optimized by changing the calcination temperature and the concentration of Er3+ and Yb3+ dopants. TiO2:Er3+/Yb3+ showed green and red emissions due to the 2H11/2/4S3/2 → 4I15/2 transition and the 4F9/2 → 4I15/2 transition of Er3+ ions, respectively. The R/G ratio between red (R) and green (G) emissions does not change significantly with Er concentration but increases linearly with increasing Yb3+ concentration. The dependence of UC luminescence intensity on 980 nm IR pumping power showed that both the red and green UC luminescence of TiO2:Er3+/Yb3+ occurred through a typical two-photon process. In terms of achieving the highest red UC emission intensity, the optimal Er3+ and Yb3+ contents are 0.3% and 7.0%, respectively. The UC intensity of TiO2:Er3+/Yb3+ particles increases until they are calcined at temperatures up to 600 °C and then decreases rapidly above 800 °C. This is because when the calcination temperature is 800 °C and higher, not only does the phase transition of TiO2:Er3+/Yb3+ occur from anatase to rutile, but also the Yb2Ti2O7 impurity phase is formed. According to SEM and TEM/EDX analysis, the prepared TiO2:Er3+/Yb3+ UC powders have an average particle size of 680 nm, a spherical shape with a dense structure, and Er and Yb are uniformly dispersed throughout the particles without local separation. A mark prepared using TiO2:Er3+/Yb3+ powder was found to have a UC emission high enough to be visually observed when irradiated with a portable 980 nm IR lamp. TiO2:Er/Yb spherical particles were synthesized by spray pyrolysis and their luminescence was optimized for application as anti-counterfeiting materials.![]()
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Affiliation(s)
- Kyeong Youl Jung
- Department of Chemical Engineering, Kongju National University 1224-24 Cheonan-Daero, Seobuk-gu Cheonan Chungnam 31080 Republic of Korea
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Tiwari SP, Kumar A, Kumar K, Singh MR, Bharti GP, Khare A, Swart HC, Verma SK. LSPR-mediated improved upconversion emission on randomly distributed gold nanoparticles array. NEW J CHEM 2020. [DOI: 10.1039/c9nj06471k] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The Au thin film was fabricated on silica glass substrate (a) and UCNPs were fabricated over (a) to get the plasmonic resonance (image b) with the coupling of metal. The UC emission enhancement after confinement of metal and NPs were simulated (c).
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Affiliation(s)
- S. P. Tiwari
- Optical Materials and Bioimaging Research Laboratory, Department of Applied Physics
- Indian Institute of Technology (Indian School of Mines)
- Dhanbad-826004
- India
- Department of Physics
| | - A. Kumar
- Optical Materials and Bioimaging Research Laboratory, Department of Applied Physics
- Indian Institute of Technology (Indian School of Mines)
- Dhanbad-826004
- India
| | - K. Kumar
- Optical Materials and Bioimaging Research Laboratory, Department of Applied Physics
- Indian Institute of Technology (Indian School of Mines)
- Dhanbad-826004
- India
| | - M. R. Singh
- Nano Photonics Laboratory, Department of Applied Physics
- Indian Institute of Technology (Indian School of Mines)
- Dhanbad-826004
- India
| | - G. P. Bharti
- Department of Physics
- Indian Institute of Technology Guwahati
- Guwahati-781039
- India
| | - Alika Khare
- Department of Physics
- Indian Institute of Technology Guwahati
- Guwahati-781039
- India
| | - H. C. Swart
- Department of Physics
- University of Free State
- Bloemfontien-9300
- South Africa
| | - S. K. Verma
- School of Chemistry and Chemical Engineering
- Yulin University
- Yulin 719000
- P. R. China
- Shaanxi Key Laboratory of Low Metamorphic Coal Clean Utilization
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Yan D, Wu P, Zhang SP, Yang JG, Li YN, Wei XC, Wang L, Huai XL. Comparative study on the photoluminescence properties of monoclinic and cubic erbium oxide. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2018; 205:341-347. [PMID: 30032051 DOI: 10.1016/j.saa.2018.07.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2017] [Revised: 07/01/2018] [Accepted: 07/05/2018] [Indexed: 06/08/2023]
Abstract
As a heavy rare earth oxide, erbium oxide (Er2O3) has many attractive properties. Monoclinic Er2O3 has useful properties not found in stable cubic Er2O3, such as unique optical properties and high radiation damage tolerance. In this study, pure cubic and mixed phase of cubic and monoclinic Er2O3 coatings were prepared. Photoluminescence properties of these coatings were characterized by a confocal micro-Raman spectrometer equipped with 325, 473, 514, 532, 633 nm lasers, and the influence of microstructure on the fluorescence properties was analyzed in detail. The room temperature fluorescence peaks of cubic Er2O3 were assigned. Furthermore, a novel method for rapid phase identification of Er3+ doped cubic and monoclinic rare earth sesquioxides at room temperature was proposed.
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Affiliation(s)
- D Yan
- Beijing Key Laboratory for Magneto-Photoelectrical Composite and Interface Science, School of Mathematics and Physics, University of Science and Technology Beijing, Beijing 100083, China
| | - P Wu
- Beijing Key Laboratory for Magneto-Photoelectrical Composite and Interface Science, School of Mathematics and Physics, University of Science and Technology Beijing, Beijing 100083, China.
| | - S-P Zhang
- Beijing Key Laboratory for Magneto-Photoelectrical Composite and Interface Science, School of Mathematics and Physics, University of Science and Technology Beijing, Beijing 100083, China
| | - J-G Yang
- Beijing Key Laboratory for Magneto-Photoelectrical Composite and Interface Science, School of Mathematics and Physics, University of Science and Technology Beijing, Beijing 100083, China
| | - Y-N Li
- Beijing Key Laboratory for Magneto-Photoelectrical Composite and Interface Science, School of Mathematics and Physics, University of Science and Technology Beijing, Beijing 100083, China
| | - X-C Wei
- Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China
| | - L Wang
- School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing 100083, China
| | - X-L Huai
- Institute of Engineering Thermophysics, Chinese Academy of Sciences, Beijing 100190, China
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7
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Effect of pH of Precursor on Up/Downconversion and Cathodoluminescence of Gd2
O3
:Ho3+
/Yb3+
Phosphor and Magneto-Optic Studies. ChemistrySelect 2018. [DOI: 10.1002/slct.201801556] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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9
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Kumar V, Som S, Dutta S, Das S, Swart HC. Influence of Ho3+ doping on the temperature sensing behavior of Er3+–Yb3+ doped La2CaZnO5 phosphor. RSC Adv 2016. [DOI: 10.1039/c6ra13664h] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Er3+/Yb3+ and Er3+/Ho3+/Yb3+ codoped La2CaZnO5 phosphors were prepared by the combustion synthesis method. The Er3+/Yb3+-codoped sample exhibited strong green and red UC emissions. The phosphors are suitable for future applications in thermometry.
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Affiliation(s)
- Vijay Kumar
- Department of Applied Physics
- Chandigarh University
- Mohali
- India
- Department of Physics
| | - S. Som
- Department of Physics
- University of the Free State
- Bloemfontein 9300
- South Africa
- Department of Chemical Engineering
| | - S. Dutta
- Department of Physics
- University of the Free State
- Bloemfontein 9300
- South Africa
| | - Subrata Das
- Department of Chemical Engineering
- National Taiwan University
- Taipei
- Taiwan
| | - H. C. Swart
- Department of Physics
- University of the Free State
- Bloemfontein 9300
- South Africa
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