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Grzyb T, Martín IR, Popescu R. The use of energy looping between Tm 3+ and Er 3+ ions to obtain an intense upconversion under the 1208 nm radiation and its use in temperature sensing. NANOSCALE 2024; 16:1692-1702. [PMID: 38131190 DOI: 10.1039/d3nr04418a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2023]
Abstract
The upconversion phenomenon allows for the emission of nanoparticles (NPs) under excitation with near-infrared (NIR) light. Such property is demanded in biology and medicine to detect or treat diseases such as tumours. The transparency of biological systems for NIR light is limited to three spectral ranges, called biological windows. However, the most frequently used excitation laser to obtain upconversion is out of these ranges, with a wavelength of around 975 nm. In this article, we show an alternative - Tm3+/Er3+-doped NPs that can convert 1208 nm excitation radiation, which is in the range of the 2nd biological window, to visible light within the 1st biological window. The spectroscopic properties of the core@shell NaYF4:Tm3+@NaYF4 and NaYF4:Er3+,Tm3+@NaYF4 NPs revealed a complex mechanism responsible for the observed upconversion. To explain emission in the studied NPs, we propose an energy looping mechanism: a sequence of ground state absorption, energy transfers and cross-relaxation (CR) processes between Tm3+ ions. Next, the excited Tm3+ ions transfer the absorbed energy to Er3+ ions, which results in green, red and NIR emission at 526, 546, 660, 698, 802 and 982 nm. The ratio between these bands is temperature-dependent and can be used in remote optical thermometers with high relative temperature sensitivity, up to 2.37%/°C at 57 °C. The excitation and emission properties of the studied NPs fall within 1st and 2nd biological windows, making them promising candidates for studies in biological systems.
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Affiliation(s)
- Tomasz Grzyb
- Department of Rare Earths, Faculty of Chemistry, Adam Mickiewicz University, Poznań, Uniwersytetu Poznańskiego 8, 61-614 Poznań, Poland.
| | - Inocencio R Martín
- Departamento de Fisica, Universidad de La Laguna, Instituto de Materiales y Nanotecnología, 38200 San Cristóbal de La Laguna, Santa Cruz de Tenerife, Spain
| | - Radian Popescu
- Laboratory for Electron Microscopy, Karlsruhe Institute of Technology, Engesserstrasse 7, 76131 Karlsruhe, Germany
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Zhu X, Yang M, Zhang H. Over 10 4 -fold amplified upconversion luminescence of lanthanide nanocrystals through optical oscillator-like system. LUMINESCENCE 2024; 39:e4611. [PMID: 37899383 DOI: 10.1002/bio.4611] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 09/06/2023] [Accepted: 10/08/2023] [Indexed: 10/31/2023]
Abstract
Recently, lanthanide (Ln) luminescent nanocrystals have attracted increasing attention in various fields such as biomedical imaging, lasers, and anticounterfeiting. However, due to the forbidden 4f-4f transition of lanthanide ions, the absorption cross-section and luminescence brightness of lanthanide nanocrystals are limited. To address the challenge, we constructed an optical oscillator-like system to repeatedly simulate lanthanide nanocrystals to enhance the absorption efficiency of lanthanide ions on excitation photons. In this optical system, the upconversion luminescence (UCL) of Tm3+ emission of ~450 nm excited by a 980 nm laser can be amplified by a factor beyond 104 . The corresponding downshifting luminescence of Tm3+ at 1460 nm was enhanced by three orders of magnitude. We also demonstrated that the significant luminescence enhancement in the designed optical oscillator-like system was general for various lanthanide nanocrystals including NaYF4 :Yb3+ /Ln3+ , NaErF4 @NaYF4 and NaYF4 :Yb3+ /Ln3+ @NaYF4 :Yb3+ @NaYF4 (Ln = Er, Tm, Ho) regardless of the wavelengths of excitation sources (808 and 980 nm). The mechanism study revealed that both elevated laser power in the optical system and multiple excitations on lanthanide nanocrystals were the main reason for the luminescence amplification. Our findings may benefit the future development of low-threshold upconversion and downshifting luminescence of lanthanide nanocrystals and expand their applications.
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Affiliation(s)
- Xinyan Zhu
- Department of Chemistry, State Key Laboratory of Molecular Engineering of Polymers and iChem, Fudan University, Shanghai, China
- Department of Chemistry, Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, Guangdong-Hong Kong-Macau Joint Laboratory of Optoelectronic and Magnetic Functional Materials, Division of Life Science, and State Key Laboratory of Molecular Neuroscience, The Hong Kong University of Science and Technology, Kowloon, Hong Kong, China
| | - Mingzhu Yang
- Department of Chemistry, State Key Laboratory of Molecular Engineering of Polymers and iChem, Fudan University, Shanghai, China
| | - Hongxin Zhang
- Department of Chemistry, State Key Laboratory of Molecular Engineering of Polymers and iChem, Fudan University, Shanghai, China
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Jang J, Jeong M, Lee J, Kim S, Yun H, Rho J. Planar Optical Cavities Hybridized with Low-Dimensional Light-Emitting Materials. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2203889. [PMID: 35861661 DOI: 10.1002/adma.202203889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 07/11/2022] [Indexed: 06/15/2023]
Abstract
Low-dimensional light-emitting materials have been actively investigated due to their unprecedented optical and optoelectronic properties that are not observed in their bulk forms. However, the emission from low-dimensional light-emitting materials is generally weak and difficult to use in nanophotonic devices without being amplified and engineered by optical cavities. Along with studies on various planar optical cavities over the last decade, the physics of cavity-emitter interactions as well as various integration methods are investigated deeply. These integrations not only enhance the light-matter interaction of the emitters, but also provide opportunities for realizing nanophotonic devices based on the new physics allowed by low-dimensional emitters. In this review, the fundamentals, strengths and weaknesses of various planar optical resonators are first provided. Then, commonly used low-dimensional light-emitting materials such as 0D emitters (quantum dots and upconversion nanoparticles) and 2D emitters (transition-metal dichalcogenide and hexagonal boron nitride) are discussed. The integration of these emitters and cavities and the expect interplay between them are explained in the following chapters. Finally, a comprehensive discussion and outlook of nanoscale cavity-emitter integrated systems is provided.
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Affiliation(s)
- Jaehyuck Jang
- Department of Chemical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, 37673, Republic of Korea
| | - Minsu Jeong
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, 37673, Republic of Korea
| | - Jihae Lee
- Department of Chemical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, 37673, Republic of Korea
| | - Seokwoo Kim
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, 37673, Republic of Korea
| | - Huichang Yun
- Department of Chemical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, 37673, Republic of Korea
| | - Junsuk Rho
- Department of Chemical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, 37673, Republic of Korea
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, 37673, Republic of Korea
- POSCO-POSTECH-RIST Convergence Research Center for Flat Optics and Metaphotonics, Pohang, 37673, Republic of Korea
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Kuwik M, Kowalska K, Pisarska J, Pisarski WA. Spectroscopic Properties of Pr 3+, Tm 3+, and Ho 3+ in Germanate-Based Glass Systems Modified by TiO 2. MATERIALS (BASEL, SWITZERLAND) 2022; 16:61. [PMID: 36614399 PMCID: PMC9821467 DOI: 10.3390/ma16010061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 12/10/2022] [Accepted: 12/16/2022] [Indexed: 06/17/2023]
Abstract
In this paper, the effect of the GeO2:TiO2 molar ratio in glass composition on the spectroscopic properties of germanate glasses was systematically investigated. The visible luminescence bands associated with characteristic 1D2 → 3H4 (red), 5S2, 5F4 → 5I8 (green), and 1D2 → 3F4 (blue) transitions of Pr3+, Ho3+, and Tm3+ ions in systems modified by TiO2 were well observed, respectively. It was found that the luminescence intensity of glasses containing Pr3+ and Ho3+ ions increases, whereas, for Tm3+-doped systems, luminescence quenching with increasing content of TiO2 was observed. Based on Commission Internationale de I'Eclairage (CIE) chromaticity coordinates (x, y) analysis, it was demonstrated that the value of chromaticity coordinates for all glasses depends on the GeO2:TiO2 molar ratio. The addition of TiO2 to system compositions doped with Tm3+ ions shifts the (x, y) to the center of the CIE diagram. However, chromaticity coordinates evaluated for glasses containing Pr3+ ions move to a purer red color. Our results confirm that the spectroscopic properties of the studied glasses strongly depend on TiO2 content. Moreover, it can be stated that germanate-based glass systems modified by TiO2 can be used for optoelectronics in RGB technology as red (Pr3+), green (Ho3+), and blue (Tm3+) emitters.
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Zhang H, Zhao M, Ábrahám IM, Zhang F. Super-Resolution Imaging With Lanthanide Luminescent Nanocrystals: Progress and Prospect. Front Bioeng Biotechnol 2021; 9:692075. [PMID: 34660546 PMCID: PMC8514657 DOI: 10.3389/fbioe.2021.692075] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Accepted: 08/16/2021] [Indexed: 12/26/2022] Open
Abstract
Stimulated emission depletion (STED) nanoscopy has overcome a serious diffraction barrier on the optical resolution and facilitated new discoveries on detailed nanostructures in cell biology. Traditional fluorescence probes employed in the super-resolution imaging approach include organic dyes and fluorescent proteins. However, some limitations of these probes, such as photobleaching, short emission wavelengths, and high saturation intensity, still hamper the promotion of optical resolution and bio-applications. Recently, lanthanide luminescent probes with unique optical properties of non-photobleaching and sharp emissions have been applied in super-resolution imaging. In this mini-review, we will introduce several different mechanisms for lanthanide ions to achieve super-resolution imaging based on an STED-like setup. Then, several lanthanide ions used in super-resolution imaging will be described in detail and discussed. Last but not least, we will emphasize the future challenges and outlooks in hope of advancing the next-generation lanthanide fluorescent probes for super-resolution optical imaging.
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Affiliation(s)
- Hongxin Zhang
- Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, State Key Laboratory of Molecular Engineering of Polymers, iChem, Fudan University, Shanghai, China
| | - Mengyao Zhao
- Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, State Key Laboratory of Molecular Engineering of Polymers, iChem, Fudan University, Shanghai, China
| | - István M Ábrahám
- Molecular Neuroendocrinology Research Group, Institute of Physiology, Medical School, Centre for Neuroscience, Szentágothai Research Institute, University of Pécs, Pécs, Hungary
| | - Fan Zhang
- Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, State Key Laboratory of Molecular Engineering of Polymers, iChem, Fudan University, Shanghai, China
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Gupta SK, Kadam R, Pujari P. Lanthanide spectroscopy in probing structure-property correlation in multi-site photoluminescent phosphors. Coord Chem Rev 2020. [DOI: 10.1016/j.ccr.2020.213405] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Tessitore G, Maurizio SL, Sabri T, Capobianco JA. Intrinsic Time‐Tunable Emissions in Core–Shell Upconverting Nanoparticle Systems. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201904445] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Gabriella Tessitore
- Department of Chemistry and Biochemistry and Centre for NanoScience ResearchConcordia University 7141 Sherbrooke St. W. Montreal Quebec H4B 1R6 Canada
| | - Steven L. Maurizio
- Department of Chemistry and Biochemistry and Centre for NanoScience ResearchConcordia University 7141 Sherbrooke St. W. Montreal Quebec H4B 1R6 Canada
| | - Tarek Sabri
- Department of Chemistry and Biochemistry and Centre for NanoScience ResearchConcordia University 7141 Sherbrooke St. W. Montreal Quebec H4B 1R6 Canada
| | - John A. Capobianco
- Department of Chemistry and Biochemistry and Centre for NanoScience ResearchConcordia University 7141 Sherbrooke St. W. Montreal Quebec H4B 1R6 Canada
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Tessitore G, Maurizio SL, Sabri T, Capobianco JA. Intrinsic Time-Tunable Emissions in Core-Shell Upconverting Nanoparticle Systems. Angew Chem Int Ed Engl 2019; 58:9742-9751. [PMID: 31161694 DOI: 10.1002/anie.201904445] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Indexed: 12/24/2022]
Abstract
Color-tunable luminescence has been extensively investigated in upconverting nanoparticles for diverse applications, each exploiting emissions in different spectral regions. Manipulation of the emission wavelength is accomplished by varying the composition of the luminescent material or the characteristics of the excitation source. Herein, we propose core-shell β-NaGdF4 : Tm3+ , Yb3+ /β-NaGdF4 : Tb3+ nanoparticles as intrinsic time-tunable luminescent materials. The time dependency of the emission wavelength only depends on the different decay time of the two emitters, without additional variation of the dopant concentration or pumping source. The time-tunable emission was recorded with a commercially available camera. The dynamics of the emissions is thoroughly investigated, and we established that the energy transfer from the 1 D2 excited state of Tm3+ ions to the higher energy excited states of Tb3+ ions to be the principal mechanism to the population of the 5 D4 level for the Tb3+ ions.
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Affiliation(s)
- Gabriella Tessitore
- Department of Chemistry and Biochemistry and Centre for NanoScience Research, Concordia University, 7141 Sherbrooke St. W., Montreal, Quebec, H4B 1R6, Canada
| | - Steven L Maurizio
- Department of Chemistry and Biochemistry and Centre for NanoScience Research, Concordia University, 7141 Sherbrooke St. W., Montreal, Quebec, H4B 1R6, Canada
| | - Tarek Sabri
- Department of Chemistry and Biochemistry and Centre for NanoScience Research, Concordia University, 7141 Sherbrooke St. W., Montreal, Quebec, H4B 1R6, Canada
| | - John A Capobianco
- Department of Chemistry and Biochemistry and Centre for NanoScience Research, Concordia University, 7141 Sherbrooke St. W., Montreal, Quebec, H4B 1R6, Canada
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Achieving high-efficiency emission depletion nanoscopy by employing cross relaxation in upconversion nanoparticles. Nat Commun 2017; 8:1058. [PMID: 29051497 PMCID: PMC5648820 DOI: 10.1038/s41467-017-01141-y] [Citation(s) in RCA: 133] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2017] [Accepted: 08/22/2017] [Indexed: 11/29/2022] Open
Abstract
Stimulated emission depletion microscopy provides a powerful sub-diffraction imaging modality for life science studies. Conventionally, stimulated emission depletion requires a relatively high light intensity to obtain an adequate depletion efficiency through only light–matter interaction. Here we show efficient emission depletion for a class of lanthanide-doped upconversion nanoparticles with the assistance of interionic cross relaxation, which significantly lowers the laser intensity requirements of optical depletion. We demonstrate two-color super-resolution imaging using upconversion nanoparticles (resolution ~ 66 nm) with a single pair of excitation/depletion beams. In addition, we show super-resolution imaging of immunostained cytoskeleton structures of fixed cells (resolution ~ 82 nm) using upconversion nanoparticles. These achievements provide a new perspective for the development of photoswitchable luminescent probes and will broaden the applications of lanthanide-doped nanoparticles for sub-diffraction microscopic imaging. Upconversion nanoparticles, which do not suffer from the photophysical artifacts that limit fluorescent molecules, offer an exciting opportunity for biological super-resolution imaging. Here, Zhan et al. develop an efficient STED mechanism using optimized lanthanide upconversion nanoparticles, enabling cytoskeleton nanoscopic imaging.
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Zhang H, Jia T, Chen L, Zhang Y, Zhang S, Feng D, Sun Z, Qiu J. Depleted upconversion luminescence in NaYF4:Yb3+,Tm3+ nanoparticles via simultaneous two-wavelength excitation. Phys Chem Chem Phys 2017; 19:17756-17764. [DOI: 10.1039/c7cp00099e] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Depleted UCL in NaYF4:Yb3+,Tm3+ UCNPs upon simultaneous excitation at 980 nm and 1550 nm is attributed to the STED process.
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Affiliation(s)
- Hongxin Zhang
- State Key Laboratory of Precision Spectroscopy
- East China Normal University
- Shanghai 200062
- China
| | - Tianqing Jia
- State Key Laboratory of Precision Spectroscopy
- East China Normal University
- Shanghai 200062
- China
| | - Long Chen
- State Key Laboratory of Precision Spectroscopy
- East China Normal University
- Shanghai 200062
- China
| | - Yuchan Zhang
- State Key Laboratory of Precision Spectroscopy
- East China Normal University
- Shanghai 200062
- China
| | - Shian Zhang
- State Key Laboratory of Precision Spectroscopy
- East China Normal University
- Shanghai 200062
- China
| | - Donghai Feng
- State Key Laboratory of Precision Spectroscopy
- East China Normal University
- Shanghai 200062
- China
| | - Zhenrong Sun
- State Key Laboratory of Precision Spectroscopy
- East China Normal University
- Shanghai 200062
- China
| | - Jianrong Qiu
- Department of Materials Science and Technology
- Zhejiang University
- Hangzhou 310027
- China
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