1
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Wang Y, Sun G, Su Q, Xie Y, Xing F, Zhang H, Sun L. Optical Upconversion in Mononuclear Lanthanide Co-Crystal Assemblies. Chemistry 2024:e202400911. [PMID: 38651349 DOI: 10.1002/chem.202400911] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2024] [Revised: 04/17/2024] [Accepted: 04/22/2024] [Indexed: 04/25/2024]
Abstract
In this work, we developed two kinds of co-crystal assemblies systems, consisting of discrete mononuclear Yb3+ and Er3+ and mononuclear Yb3+ and Pr3+, which can achieve Er3+ and Pr3+ upconversion luminescence, respectively, by Yb3+ sensitization under 980 nm excitation. The structure and composition of two co-crystal assemblies were determined by single crystal X-ray diffraction. By investigation of the series of two assemblies, respectively, it is found that the strongest upconversion luminescence is both obtained when the molar ratio of Yb3+ and Ln3+ (Ln=Er or Pr) is 1 : 1. The energy transfer mechanism of Er3+ assemblies is determined as energy transfer upconversion, while that of Pr3+ assemblies is determined as energy transfer upconversion and cooperative sensitization upconversion. This is the first example of Pr3+ upconversion luminescence at the molecular dimension at room temperature, which enriches the research in the field of upconversion luminescence with lanthanide complexes.
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Affiliation(s)
- Yuxin Wang
- Department of Chemistry, College of Sciences, Shanghai University, Shanghai, 200444, China
| | - Guotao Sun
- School of Materials Science and Engineering, Shanghai University, Shanghai, 200444, China
| | - Qichen Su
- Department of Chemistry, College of Sciences, Shanghai University, Shanghai, 200444, China
| | - Yao Xie
- Department of Chemistry, College of Sciences, Shanghai University, Shanghai, 200444, China
| | - Feifei Xing
- Department of Chemistry, College of Sciences, Shanghai University, Shanghai, 200444, China
| | - Hongjie Zhang
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, China
| | - Lining Sun
- Department of Chemistry, College of Sciences, Shanghai University, Shanghai, 200444, China
- School of Materials Science and Engineering, Shanghai University, Shanghai, 200444, China
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2
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Ba Tis T, Sabo C, Xu B, Corbella Bagot C, Rappeport E, Park W. A scalable fabrication method for gold nanodisk-upconverting nanoparticle hybrid nanostructures. NANOSCALE 2024; 16:7690-7699. [PMID: 38533655 PMCID: PMC11037920 DOI: 10.1039/d3nr06644d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/28/2024]
Abstract
Plasmonic nanostructures can be used to enhance the efficiency of upconversion nanoparticles (UCNPs) and enable new functionalities. However, the fabrication of these hybrid plasmon-UCNP nanostructures has traditionally relied on either wet chemistry or nanolithography routes that are difficult to control, scale up, or both. In this work, we present a scalable nanofabrication process, capable of producing a massive array of gold-UCNP hybrid nanostructures over a few mm2 area and with excellent uniformity in the photoluminescence intensity. This new approach combines the scalability of the bottom-up self-assembly method and the precision of the top-down nanolithography approach. It provides an efficient alternative route for the production of plasmonically enhanced UCNPs. A detailed discussion on the optimization of the UCNP self-assembly, the gold nanodisk lithography, and the nanopattern transfer processes is presented here. Additionally, we showcase the potential of this new approach for fabricating mechanical force sensors based on the selective plasmonic enhancement of the UCNP emission. This new approach holds great potential in facilitating the production of plasmonically enhanced UCNPs that can be deployed for both imaging and sensing applications.
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Affiliation(s)
- Taleb Ba Tis
- Materials Science and Engineering Program, University of Colorado. Boulder, CO 80303, U.S.A.
| | - Cobi Sabo
- Department of Electrical, Computer and Energy Engineering, University of Colorado. Boulder, CO 80309-0425, U.S.A
| | - Bo Xu
- Department of Physics, University of Colorado. Boulder, CO 80309-0390, U.S.A
| | - Conrad Corbella Bagot
- Department of Electrical, Computer and Energy Engineering, University of Colorado. Boulder, CO 80309-0425, U.S.A
| | - Eric Rappeport
- Department of Electrical, Computer and Energy Engineering, University of Colorado. Boulder, CO 80309-0425, U.S.A
| | - Wounjhang Park
- Materials Science and Engineering Program, University of Colorado. Boulder, CO 80303, U.S.A.
- Department of Electrical, Computer and Energy Engineering, University of Colorado. Boulder, CO 80309-0425, U.S.A
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3
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Liu Y, Duan B, Zhou L, Wu Y, Wang F, Ding C, Hu J. Large enhancement of red upconversion luminescence in beta Ba 2Sc 0.67Yb 0.3Er 0.03AlO 5 phosphor via Mn 2+ ions doping for thermometry. Sci Rep 2024; 14:8893. [PMID: 38632459 PMCID: PMC11024212 DOI: 10.1038/s41598-024-59732-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Accepted: 04/15/2024] [Indexed: 04/19/2024] Open
Abstract
Here, this study reports single-band red upconversion emission in β-Ba2ScAlO5: Yb3+/Er3+ phosphor by doping Mn2+. The optimum concentration of Mn2+ ions in β-Ba2ScAlO5: Yb3+/Er3+ phosphor was 0.20. The intensity of red and green emissions is increased by 27.4 and 19.3 times, respectively. Compared with the samples without Mn2+ ions, the red-green integral strength ratio of β-Ba2ScAlO5: Yb3+/Er3+/Mn2+ sample was significantly increased by 28.4 times, reaching 110.9. The UCL mechanism was explored by analyzing the down-conversion luminescence spectra, absorption spectra, UCL spectra, and upconversion fluorescence lifetime decay curves of Yb3+/Er3+/Mn2+ co-doped β-Ba2ScAlO5. The enhancement of upconversion red light is achieved through energy transfer between defect bands and Er3+ ions, as well as energy transfer between Mn2+ ions and Er3+ ions. In addition, the Mn2+ doped β-Ba2ScAlO5: Yb3+/Er3+ red UCL phosphors have great potential for ambient temperature sensing in the 298-523 K temperature range. The maximum sensitivity of β-Ba2ScAlO5: Yb3+/Er3+/Mn2+ phosphor as a temperature sensor at 523 K is 0.0247 K-1.
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Affiliation(s)
- Yongtao Liu
- School of Science, Xihua University, Chengdu, 610039, China
| | - Bin Duan
- School of Science, Xihua University, Chengdu, 610039, China
| | - Lin Zhou
- School of Science, Xihua University, Chengdu, 610039, China
| | - Yuxiang Wu
- School of Science, Xihua University, Chengdu, 610039, China
| | - Fengyi Wang
- College of Materials Science and Engineering, Sichuan University, Chengdu, 610065, China
| | - Changchun Ding
- School of Science, Xihua University, Chengdu, 610039, China
| | - Junshan Hu
- School of Science, Xihua University, Chengdu, 610039, China.
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4
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Zhang M, Wang B, Cai Y, Jin D, Zhou J. Thermally Prolonged NIR-II Luminescence Lifetimes by Cross-Relaxation. NANO LETTERS 2024. [PMID: 38602906 DOI: 10.1021/acs.nanolett.4c00275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/13/2024]
Abstract
Temperature regulates nonradiative processes in luminescent materials, fundamental to luminescence nanothermometry. However, elevated temperatures often suppress the radiative process, limiting the sensitivity of thermometers. Here, we introduce an approach to populating the excited state of lanthanides at elevated temperatures, resulting in a sizable lifetime lengthening and intensity increase of the near-infrared (NIR)-II emission. The key is to create a five-energy-level system and use a pair of lanthanides to leverage the cross-relaxation process. We observed the lifetime of NIR-II emission of Er3+ has been remarkably increased from 3.85 to 7.54 ms by codoping only 0.5 mol % Ce3+ at 20 °C and further increased to 7.80 ms when increasing the temperature to 40 °C. Moreover, this concept is universal across four ion pairs and remains stable within aqueous nanoparticles. Our findings emphasize the need to design energy transfer systems that overcome the constraint of thermal quenching, enabling efficient imaging and sensing.
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Affiliation(s)
- Maoxin Zhang
- Institute for Biomedical Materials & Devices (IBMD), Faculty of Science, University of Technology Sydney, Ultimo, New South Wales 2007, Australia
| | - Baokai Wang
- Institute for Biomedical Materials & Devices (IBMD), Faculty of Science, University of Technology Sydney, Ultimo, New South Wales 2007, Australia
| | - Yangjian Cai
- Institute for Biomedical Materials & Devices (IBMD), Faculty of Science, University of Technology Sydney, Ultimo, New South Wales 2007, Australia
| | - Dayong Jin
- Institute for Biomedical Materials & Devices (IBMD), Faculty of Science, University of Technology Sydney, Ultimo, New South Wales 2007, Australia
| | - Jiajia Zhou
- Institute for Biomedical Materials & Devices (IBMD), Faculty of Science, University of Technology Sydney, Ultimo, New South Wales 2007, Australia
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5
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F Shida J, Ma K, Toll HW, Salinas O, Ma X, Peng CS. Multicolor Long-Term Single-Particle Tracking Using 10 nm Upconverting Nanoparticles. NANO LETTERS 2024; 24:4194-4201. [PMID: 38497588 DOI: 10.1021/acs.nanolett.4c00207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/19/2024]
Abstract
Single-particle tracking (SPT) is a powerful technique to unveil molecular behaviors crucial to the understanding of many biological processes, but it is limited by factors such as probe photostability and spectral orthogonality. To overcome these limitations, we develop upconverting nanoparticles (UCNPs), which are photostable over several hours at the single-particle level, enabling long-term multicolor SPT. We investigate the brightness of core-shell UCNPs as a function of inert shell thickness to minimize particle size while maintaining sufficient signal for SPT. We explore different rare-earth dopants to optimize for the brightest probes and find that UCNPs doped with 2% Tm3+/30% Yb3+, 10% Er3+/90% Yb3+, and 15% Tm3+/85% Yb3+ represent the optimal probes for blue, green, and near-infrared emission, respectively. The multiplexed 10 nm probes enable three-color single-particle tracking on live HeLa cells for tens of minutes using a single, near-infrared excitation source. These photostable and multiplexed probes open new avenues for numerous biological applications.
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Affiliation(s)
- João F Shida
- Department of Chemistry, Massachusetts Institute of Technology (MIT), Cambridge, Massachusetts 02139, United States
- Broad Institute of MIT and Harvard, Cambridge, Massachusetts 02139, United States
| | - Kaibo Ma
- Department of Chemistry and Chemical Biology, Harvard University, Cambridge, Massachusetts 02138, United States
- Broad Institute of MIT and Harvard, Cambridge, Massachusetts 02139, United States
| | - Harrison W Toll
- Department of Chemistry, Massachusetts Institute of Technology (MIT), Cambridge, Massachusetts 02139, United States
- Broad Institute of MIT and Harvard, Cambridge, Massachusetts 02139, United States
| | - Omar Salinas
- Department of Chemistry, Massachusetts Institute of Technology (MIT), Cambridge, Massachusetts 02139, United States
- Broad Institute of MIT and Harvard, Cambridge, Massachusetts 02139, United States
| | - Xiaojie Ma
- Broad Institute of MIT and Harvard, Cambridge, Massachusetts 02139, United States
| | - Chunte Sam Peng
- Department of Chemistry, Massachusetts Institute of Technology (MIT), Cambridge, Massachusetts 02139, United States
- Broad Institute of MIT and Harvard, Cambridge, Massachusetts 02139, United States
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6
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Wang C, Wen Z, Pu R, Pan B, Wang B, Zheng K, Du Y, Zhan Q. Tandem Photon Avalanches for Various Nanoscale Emitters with Optical Nonlinearity up to 41st-Order through Interfacial Energy Transfer. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2307848. [PMID: 37925612 DOI: 10.1002/adma.202307848] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 10/22/2023] [Indexed: 11/06/2023]
Abstract
Photon avalanche has received continuous attention owing to its superior nonlinear dynamics and promising advanced applications. However, its impact is limited due to the intrinsic energy levels as well as the harsh requirements for the composites and sizes of doped materials. Here, with a universal mechanism named tandem photon avalanche (TPA), giant optical nonlinear response up to 41st-order in erbium ions, one of the most important lanthanide emitters, has been achieved on the nanoscale through interfacial energy transfer process. After capturing energy directly from the avalanched energy state 3 H4 of Tm3+ (800-nm emission), erbium ions also exhibit bright green and red PA emissions with intensities comparable to that of Tm3+ at a low excitation threshold (7.1 kWcm-2 ). Using the same strategy, effective PA looping cycles are successfully activated in Ce3+ and Ho3+ . Additionally, Yb3+ -mediated networks are constructed to further propagate PA effects to lowly-doped Tm3+ , enabling 475-nm PA emission. The newly proposed TPA strategy provides a facile route for generating photon avalanche not only from erbium ions but also from various emitters in multilayered core-shell nanoparticles.
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Affiliation(s)
- Chenyi Wang
- Centre for Optical and Electromagnetic Research, Guangdong Provincial Key Laboratory of Optical Information Materials and Technology, Guangdong Engineering Research Centre of Optoelectronic Intelligent Information Perception, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou, 510006, P. R. China
| | - Zizhao Wen
- Centre for Optical and Electromagnetic Research, Guangdong Provincial Key Laboratory of Optical Information Materials and Technology, Guangdong Engineering Research Centre of Optoelectronic Intelligent Information Perception, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou, 510006, P. R. China
| | - Rui Pu
- Centre for Optical and Electromagnetic Research, Guangdong Provincial Key Laboratory of Optical Information Materials and Technology, Guangdong Engineering Research Centre of Optoelectronic Intelligent Information Perception, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou, 510006, P. R. China
| | - Binxiong Pan
- Centre for Optical and Electromagnetic Research, Guangdong Provincial Key Laboratory of Optical Information Materials and Technology, Guangdong Engineering Research Centre of Optoelectronic Intelligent Information Perception, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou, 510006, P. R. China
| | - Baoju Wang
- Centre for Optical and Electromagnetic Research, Guangdong Provincial Key Laboratory of Optical Information Materials and Technology, Guangdong Engineering Research Centre of Optoelectronic Intelligent Information Perception, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou, 510006, P. R. China
| | - Kezhi Zheng
- MOE Key Laboratory of Atomic and Subatomic Structure and Quantum Control, School of Physics, South China Normal University, Guangzhou, 510006, China
| | - Yangyang Du
- Centre for Optical and Electromagnetic Research, Guangdong Provincial Key Laboratory of Optical Information Materials and Technology, Guangdong Engineering Research Centre of Optoelectronic Intelligent Information Perception, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou, 510006, P. R. China
| | - Qiuqiang Zhan
- Centre for Optical and Electromagnetic Research, Guangdong Provincial Key Laboratory of Optical Information Materials and Technology, Guangdong Engineering Research Centre of Optoelectronic Intelligent Information Perception, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou, 510006, P. R. China
- MOE Key Laboratory & Guangdong Provincial Key Laboratory of Laser Life Science, South China Normal University, Guangzhou, 510631, P. R. China
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7
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Huang J, Yan L, An Z, Wei H, Wang C, Zhang Q, Zhou B. Cross Relaxation Enables Spatiotemporal Color-Switchable Upconversion in a Single Sandwich Nanoparticle for Information Security. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023:e2310524. [PMID: 38150659 DOI: 10.1002/adma.202310524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 12/09/2023] [Indexed: 12/29/2023]
Abstract
Smart control of ionic interaction dynamics offers new possibilities for tuning and editing luminescence properties of lanthanide-based materials. However, it remains a daunting challenge to achieve the dynamic control of cross relaxation mediated photon upconversion, and in particular the involved intrinsic photophysics is still unclear. Herein, this work reports a conceptual model to realize the color-switchable upconversion of Tm3+ through spatiotemporal control of cross relaxation in the design of NaYF4 :Gd@NaYbF4 :Tm@NaYF4 sandwich nanostructure. It shows that cross relaxation plays a key role in modulating upconversion dynamics and tuning emission colors of Tm3+ . Interestingly, it is found that there is a short temporal delay for the occurrence of cross relaxation in contrast to the spontaneous emission as a result of the slight energy mismatch between relevant energy levels. This further enables a fine emission color tuning upon non-steady state excitation. Moreover, a characteristic quenching time is proposed to describe the temporal evolution of cross relaxation quantitatively. These findings present a deep insight into the physics of ionic interactions in heavy doping systems, and also show great promise in frontier applications including information security, anti-counterfeiting and nanophotonics.
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Affiliation(s)
- Jinshu Huang
- State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques, Guangdong Engineering Technology Research Center of Special Optical Fiber Materials and Devices, South China University of Technology, Guangzhou, 510641, China
- School of Physics and Optoelectronics, South China University of Technology, Guangzhou, 510641, China
| | - Long Yan
- State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques, Guangdong Engineering Technology Research Center of Special Optical Fiber Materials and Devices, South China University of Technology, Guangzhou, 510641, China
| | - Zhengce An
- State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques, Guangdong Engineering Technology Research Center of Special Optical Fiber Materials and Devices, South China University of Technology, Guangzhou, 510641, China
| | - Haopeng Wei
- State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques, Guangdong Engineering Technology Research Center of Special Optical Fiber Materials and Devices, South China University of Technology, Guangzhou, 510641, China
| | - Chao Wang
- State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques, Guangdong Engineering Technology Research Center of Special Optical Fiber Materials and Devices, South China University of Technology, Guangzhou, 510641, China
| | - Qinyuan Zhang
- State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques, Guangdong Engineering Technology Research Center of Special Optical Fiber Materials and Devices, South China University of Technology, Guangzhou, 510641, China
| | - Bo Zhou
- State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques, Guangdong Engineering Technology Research Center of Special Optical Fiber Materials and Devices, South China University of Technology, Guangzhou, 510641, China
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8
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Sun G, Xie Y, Wang Y, Zhang H, Sun L. Upconversion Luminescence in Mononuclear Yb/Sm Co-crystal Assemblies at Room Temperature. Angew Chem Int Ed Engl 2023; 62:e202312308. [PMID: 37698110 DOI: 10.1002/anie.202312308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 09/07/2023] [Accepted: 09/12/2023] [Indexed: 09/13/2023]
Abstract
Metal-based upconversion luminescence transforming high-energy photons into low-energy photons is an attractive anti-Stokes shift process for fundamental research and promising applications. In this work, we developed the upconversion luminescence in co-crystal assemblies consisting of discrete mononuclear Yb and Sm complexes. The characteristic visible emissions of Sm3+ were observed under the excitation of absorption band of Yb3+ at 980 nm. A series of co-crystal assemblies were investigated based on mononuclear Yb and Sm complexes, and the strongest luminescence was obtained when the molar concentration between Yb3+ and Sm3+ is equivalent. The crystal structure was fully characterized by the single crystal X-ray diffraction and upconverting energy transfer mechanisms were verified as cooperative sensitization upconversion and energy transfer upconversion. This is the first example of Sm3+ -based upconverting luminescence in discrete lanthanide complexes which present as co-crystal assemblies at room temperature.
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Affiliation(s)
- Guotao Sun
- School of Materials Science and Engineering, Shanghai University, Shanghai, 200444, China
- Department of Chemistry, College of Sciences, Shanghai University, Shanghai, 200444, China
| | - Yao Xie
- Department of Chemistry, College of Sciences, Shanghai University, Shanghai, 200444, China
| | - Yuxin Wang
- Department of Chemistry, College of Sciences, Shanghai University, Shanghai, 200444, China
| | - Hongjie Zhang
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, China
| | - Lining Sun
- School of Materials Science and Engineering, Shanghai University, Shanghai, 200444, China
- Department of Chemistry, College of Sciences, Shanghai University, Shanghai, 200444, China
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9
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Rück V, Liisberg MB, Mollerup CB, He Y, Chen J, Cerretani C, Vosch T. A DNA-Stabilized Ag 18 12+ Cluster with Excitation-Intensity-Dependent Dual Emission. Angew Chem Int Ed Engl 2023; 62:e202309760. [PMID: 37578902 DOI: 10.1002/anie.202309760] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 08/11/2023] [Accepted: 08/14/2023] [Indexed: 08/16/2023]
Abstract
DNA-stabilized silver nanoclusters (DNA-AgNCs) are easily tunable emitters with intriguing photophysical properties. Here, a DNA-AgNC with dual emission in the red and near-infrared (NIR) regions is presented. Mass spectrometry data showed that two DNA strands stabilize 18 silver atoms with a nanocluster charge of 12+. Besides determining the composition and charge of DNA2 [Ag18 ]12+ , steady-state and time-resolved methods were applied to characterize the picosecond red fluorescence and the relatively intense microsecond-lived NIR luminescence. During this process, the luminescence-to-fluorescence ratio was found to be excitation-intensity-dependent. This peculiar feature is very rare for molecular emitters and allows the use of DNA2 [Ag18 ]12+ as a nanoscale excitation intensity probe. For this purpose, calibration curves were constructed using three different approaches based either on steady-state or time-resolved emission measurements. The results showed that processes like thermally activated delayed fluorescence (TADF) or photon upconversion through triplet-triplet annihilation (TTA) could be excluded for DNA2 [Ag18 ]12+ . We, therefore, speculate that the ratiometric excitation intensity response could be the result of optically activated delayed fluorescence.
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Affiliation(s)
- Vanessa Rück
- Department of Chemistry, University of Copenhagen, Universitetsparken 5, 2100, Copenhagen, Denmark
| | - Mikkel B Liisberg
- Department of Chemistry, University of Copenhagen, Universitetsparken 5, 2100, Copenhagen, Denmark
| | - Christian Brinch Mollerup
- Department of Forensic Medicine, University of Copenhagen, Frederik V's Vej 11, 2100, Copenhagen, Denmark
| | - Yanmei He
- Division of Chemical Physics and NanoLund, Lund University P.O. Box 124, 22100, Lund, Sweden
| | - Junsheng Chen
- Department of Chemistry, University of Copenhagen, Universitetsparken 5, 2100, Copenhagen, Denmark
| | - Cecilia Cerretani
- Department of Chemistry, University of Copenhagen, Universitetsparken 5, 2100, Copenhagen, Denmark
| | - Tom Vosch
- Department of Chemistry, University of Copenhagen, Universitetsparken 5, 2100, Copenhagen, Denmark
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10
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Masoumeh Ghorbanpour S, Wen S, Kaitu'u-Lino TJ, Hannan NJ, Jin D, McClements L. Quantitative Point of Care Tests for Timely Diagnosis of Early-Onset Preeclampsia with High Sensitivity and Specificity. Angew Chem Int Ed Engl 2023; 62:e202301193. [PMID: 37055349 DOI: 10.1002/anie.202301193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Revised: 04/06/2023] [Accepted: 04/12/2023] [Indexed: 04/15/2023]
Abstract
Preeclampsia is a heterogeneous and multiorgan cardiovascular disorder of pregnancy. Here, we report the development of a novel strip-based lateral flow assay (LFA) using lanthanide-doped upconversion nanoparticles conjugated to antibodies targeting two different biomarkers for detection of preeclampsia. We first measured circulating plasma FKBPL and CD44 protein concentrations from individuals with early-onset preeclampsia (EOPE), using ELISA. We confirmed that the CD44/FKBPL ratio is reduced in EOPE with a good diagnostic potential. Using our rapid LFA prototypes, we achieved an improved lower limit of detection: 10 pg ml-1 for FKBPL and 15 pg ml-1 for CD44, which is more than one order lower than the standard ELISA method. Using clinical samples, a cut-off value of 1.24 for CD44/FKBPL ratio provided positive predictive value of 100 % and the negative predictive value of 91 %. Our LFA shows promise as a rapid and highly sensitive point-of-care test for preeclampsia.
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Affiliation(s)
- Sahar Masoumeh Ghorbanpour
- School of Life Sciences & Institute for Biomedical Materials and Devices, Faculty of Science, University of Technology Sydney, Sydney, NSW, 2007, Australia
| | - Shihui Wen
- Institute for Biomedical Materials and Devices, School of Mathematical and Physical Sciences, Faculty of Science, University of Technology Sydney, Sydney, NSW, 2007, Australia
- ARC Research Hub for Integrated Device for End-user Analysis at Low-levels (IDEAL), Faculty of Science, University of Technology Sydney, Sydney, NSW, 2007, Australia
| | - Tu'uhevaha J Kaitu'u-Lino
- Department of Obstetrics & Gynaecology, Mercy Hospital for Women, The University of Melbourne, Heidelberg, Australia
- Mercy Perinatal, Mercy Hospital for Women, Heidelberg, Australia
| | - Natalie J Hannan
- Department of Obstetrics & Gynaecology, Mercy Hospital for Women, The University of Melbourne, Heidelberg, Australia
- Mercy Perinatal, Mercy Hospital for Women, Heidelberg, Australia
| | - Dayong Jin
- Institute for Biomedical Materials and Devices, School of Mathematical and Physical Sciences, Faculty of Science, University of Technology Sydney, Sydney, NSW, 2007, Australia
- ARC Research Hub for Integrated Device for End-user Analysis at Low-levels (IDEAL), Faculty of Science, University of Technology Sydney, Sydney, NSW, 2007, Australia
| | - Lana McClements
- School of Life Sciences & Institute for Biomedical Materials and Devices, Faculty of Science, University of Technology Sydney, Sydney, NSW, 2007, Australia
- ARC Research Hub for Integrated Device for End-user Analysis at Low-levels (IDEAL), Faculty of Science, University of Technology Sydney, Sydney, NSW, 2007, Australia
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11
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Kim J, Park HS, Ahn Y, Cho YJ, Shin HH, Hong KS, Nam SH. Universal Emission Characteristics of Upconverting Nanoparticles Revealed by Single-Particle Spectroscopy. ACS NANO 2023; 17:648-656. [PMID: 36565305 DOI: 10.1021/acsnano.2c09896] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Upconverting nanoparticles (UCNPs) have been extensively investigated for nanophotonics and biomedical applications. However, establishing a unified view of their emission characteristics to elucidate the underlying photophysics and expand the application fields of these materials is a great challenge due to their sophisticated internal energy transfer and lack of standardized single-particle spectroscopy (SPS) platform. Here, we present an SPS technique called multiband single-particle irradiance-dependent imaging (multiband SPIDI). We demonstrate that the emission characteristics of Yb3+,Tm3+-doped UCNPs are universal for three emission bands over a wide range of irradiance and dependent on the Tm3+ doping concentration, indicating that the number of emitted photons of each band is proportional to the number of activator ions and is dependent on the number of absorbed photons and the activator interionic distance. We also suggest a cooperative energy transfer upconversion (CETU) mechanism for transition to a higher-energy state through photon accumulation. For a single UCNP, the emission at 800 nm is detectable at an ultralow irradiance of 4.9 W cm-2; moreover, that at 450 nm is measurable at 98 W cm-2, based on the optimal concentration. These findings based on the multiband SPIDI platform can provide insights into the interionic energy transfer by studying irradiance-dependent steady-state dynamics to achieve brighter UCNPs and their broader applications.
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Affiliation(s)
- Jongwoo Kim
- Laboratory for Advanced Molecular Probing (LAMP), Korea Research Institute of Chemical Technology, Daejeon34114, Republic of Korea
| | - Hye Sun Park
- Research Center for Bioconvergence Analysis, Korea Basic Science Institute, Cheongju28119, Republic of Korea
| | - Yun Ahn
- Department of Physics, Chungbuk National University, Cheongju, Chungbuk28644, Republic of Korea
| | - Youn-Joo Cho
- Research Center for Bioconvergence Analysis, Korea Basic Science Institute, Cheongju28119, Republic of Korea
| | - Hyeon Ho Shin
- Laboratory for Advanced Molecular Probing (LAMP), Korea Research Institute of Chemical Technology, Daejeon34114, Republic of Korea
- KU-KIST Graduate School of Converging Science and Technology, Korea University, Seongbuk-gu, Seoul02841, Republic of Korea
| | - Kwan Soo Hong
- Research Center for Bioconvergence Analysis, Korea Basic Science Institute, Cheongju28119, Republic of Korea
- Graduate School of Analytical Science and Technology, Chungnam National University, Daejeon34134, Republic of Korea
| | - Sang Hwan Nam
- Laboratory for Advanced Molecular Probing (LAMP), Korea Research Institute of Chemical Technology, Daejeon34114, Republic of Korea
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12
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Li D, Xu B, Huang Z, Jin X, Zhang Z, Zhang T, Wang D, Liu X, Li Q. Optical Properties and Concentration Quenching Mechanism of Er 3+ Heavy Doped Gd 2(MoO 4) 3 Phosphor for Green Light-Emitting Diode. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:3641. [PMID: 36296831 PMCID: PMC9610292 DOI: 10.3390/nano12203641] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 10/04/2022] [Accepted: 10/13/2022] [Indexed: 06/16/2023]
Abstract
Upconversion materials capable of converting low-energy excitation photons into high-energy emission photons have attracted considerable interest in recent years. However, the low upconversion luminescence seriously hinders the application of upconversion phosphors. Heavy lanthanide doping without concentration quenching represents a direct and effective method to enhance the emission intensity. In this study, Er3+ heavy doped Gd2(MoO4)3 phosphor with a monoclinic phase was prepared by a sol-gel process. Under excitation at 976 nm, Gd2(MoO4)3:Er3+ phosphor emitted remarkably intense green emission, and Er3+ concentration up to 20 mol% did not cause concentration quenching. Here, we discuss the upconversion mechanism and concentration quenching. When the Er3+ concentration was in the range of 30-60 mol%, the concentration quenching was governed by the electric dipole-dipole interaction, and when the concentration was greater than 60 mol%, the concentration quenching was controlled by the exchange interactions. The result provides a schematic basis for identifying a phosphor host with heavy lanthanide doping.
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Affiliation(s)
- Dongyu Li
- Guangdong Provincial Key Laboratory of Development and Education for Special Needs Children, Zhanjiang 524048, China
- School of Physics Science and Technology, Lingnan Normal University, Zhanjiang 524048, China
- Institute of High Energy Physics and National Center for Nanoscience and Technology, Chinese Academy of Sciences, Beijing 100049, China
| | - Bing Xu
- Guangdong Provincial Key Laboratory of Development and Education for Special Needs Children, Zhanjiang 524048, China
- School of Physics Science and Technology, Lingnan Normal University, Zhanjiang 524048, China
- Institute of High Energy Physics and National Center for Nanoscience and Technology, Chinese Academy of Sciences, Beijing 100049, China
| | - Zhen Huang
- Guangdong Provincial Key Laboratory of Development and Education for Special Needs Children, Zhanjiang 524048, China
- School of Physics Science and Technology, Lingnan Normal University, Zhanjiang 524048, China
| | - Xiao Jin
- Guangdong Provincial Key Laboratory of Development and Education for Special Needs Children, Zhanjiang 524048, China
- School of Physics Science and Technology, Lingnan Normal University, Zhanjiang 524048, China
| | - Zhenghe Zhang
- Guangdong Provincial Key Laboratory of Development and Education for Special Needs Children, Zhanjiang 524048, China
- School of Physics Science and Technology, Lingnan Normal University, Zhanjiang 524048, China
| | - Tingting Zhang
- Guangdong Provincial Key Laboratory of Development and Education for Special Needs Children, Zhanjiang 524048, China
- School of Physics Science and Technology, Lingnan Normal University, Zhanjiang 524048, China
| | - Deng Wang
- Guangdong Provincial Key Laboratory of Development and Education for Special Needs Children, Zhanjiang 524048, China
| | - Xuping Liu
- Guangdong Provincial Key Laboratory of Development and Education for Special Needs Children, Zhanjiang 524048, China
| | - Qinghua Li
- Guangdong Provincial Key Laboratory of Development and Education for Special Needs Children, Zhanjiang 524048, China
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13
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Fu H, Hu C, Liu J, Zhang Q, Xu JY, Jiang GJ, Liu M. An overview of boosting lanthanide upconversion luminescence through chemical methods and physical strategies. CrystEngComm 2022. [DOI: 10.1039/d2ce01206e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Lanthanide-doped upconversion nanoparticles have attracted extensive research interest due to their promising applications in various fields.
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Affiliation(s)
- Huhui Fu
- School of Materials Science and Engineering, Shanghai Institute of Technology, Shanghai 200235, China
| | - Changhe Hu
- School of Materials Science and Engineering, Shanghai Institute of Technology, Shanghai 200235, China
| | - Jie Liu
- School of Materials Science and Engineering, Shanghai Institute of Technology, Shanghai 200235, China
| | - Qi Zhang
- School of Materials Science and Engineering, Shanghai Institute of Technology, Shanghai 200235, China
| | - J. Y. Xu
- School of Materials Science and Engineering, Shanghai Institute of Technology, Shanghai 200235, China
| | - G. J. Jiang
- School of Materials Science and Engineering, Shanghai Institute of Technology, Shanghai 200235, China
| | - M. Liu
- School of Materials Science and Engineering, Shanghai Institute of Technology, Shanghai 200235, China
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