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Journal articles on the topic 'Photon-upconversion nanoparticles'

Author: Grafiati

Published: 28 June 2021

Last updated: 29 July 2025

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1

Chen, Xian, Denfeng Peng, Qiang Ju, and Feng Wang. "Photon upconversion in core–shell nanoparticles." Chemical Society Reviews 44, no. 6 (2015): 1318–30. http://dx.doi.org/10.1039/c4cs00151f.

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2

Qu, Zuoming, Pengfei Duan, Jin Zhou, Yafei Wang, and Minghua Liu. "Photon upconversion in organic nanoparticles and subsequent amplification by plasmonic silver nanowires." Nanoscale 10, no. 3 (2018): 985–91. http://dx.doi.org/10.1039/c7nr07340b.

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3

Liu, Wen, Runze Chen, and Sailing He. "Ultra-stable near-infrared Tm3+-doped upconversion nanoparticles for in vivo wide-field two-photon angiography with a low excitation intensity." Journal of Innovative Optical Health Sciences 12, no. 03 (2019): 1950013. http://dx.doi.org/10.1142/s1793545819500135.

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Two-photon luminescence with near-infrared (NIR) excitation of upconversion nanoparticles (NPs) is of great importance in biological imaging due to deep penetration in high-scattering tissues, low auto-luminescence and good sectioning ability. Unfortunately, common two-photon luminescence is in visible band with an extremely high exciation power density, which limits its application. Here, we synthesized NaYF4:Yb[Formula: see text]Tm@NaYF4 upconversion NPs with strong two-photon NIR emission and a low excitation power density. Furthermore, NaYF4:Yb[Formula: see text]Tm@NaYF4@SiO2@OTMS@F127 NPs

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4

Lee, Eunsang, Minhyuk Jung, Youngeun Han, et al. "Stochastic Photon Emission from Nonblinking Upconversion Nanoparticles." Journal of Physical Chemistry C 121, no. 38 (2017): 21073–79. http://dx.doi.org/10.1021/acs.jpcc.7b08509.

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5

Ma, Shushu, Haiyuan Wei, Hai Zhu, Francis Chi-Chung Ling, Xianghu Wang, and Shichen Su. "Higher-Order Multiphoton Absorption Upconversion Lasing Based on ZnO/ZnMgO Multiple Quantum Wells." Nanomaterials 12, no. 17 (2022): 3073. http://dx.doi.org/10.3390/nano12173073.

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In the progress of nonlinear optics, multiphoton absorption (MPA) upconversion lasing enables many vital applications in bioimaging, three-dimensional optical data storage, and photodynamic therapy. Here, efficient four-photon absorption upconversion lasing from the ZnO/ZnMgO multiple quantum wells (MQWs) at room temperature is realized. Moreover, the MPA upconversion lasing and third-harmonic generation peak generated in the MQWs under the excitation of a femtosecond (fs) laser pulse were observed concurrently, and the essential differences between each other were studied comprehensively. Com

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6

Gao, Zhao, Lulu Shi, Xiao Ling, Ze Chen, Qingsong Mei, and Feng Wang. "Near-infrared photon-excited energy transfer in platinum(ii)-based supramolecular polymers assisted by upconverting nanoparticles." Chemical Communications 57, no. 15 (2021): 1927–30. http://dx.doi.org/10.1039/d0cc07445d.

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A hybrid supramolecular system with near-infrared photon-excited energy transfer has been successfully constructed, relying on the assistance of upconversion nanoparticles in platinum(ii)-based supramolecular polymers.

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7

Yamini, S., M. Gunaseelan, Ajithkumar Gangadharan, et al. "Upconversion, MRI imaging and optical trapping studies of silver nanoparticle decorated multifunctional NaGdF4:Yb,Er nanocomposite." Nanotechnology 33, no. 8 (2021): 085202. http://dx.doi.org/10.1088/1361-6528/ac37e4.

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Abstract The multifunctional upconversion nanoparticles (UCNPs) are fascinating tool for biological applications. In the present work, photon upconverting NaGdF4:Yb,Er and Ag nanoparticles decorated NaGdF4:Yb,Er (NaGdF4:Yb,Er@Ag) nanoparticles were prepared using a simple polyol process. Rietveld refinement was performed for detailed crystal structural and phase fraction analysis. The morphology of the NaGdF4:Yb,Er@Ag was examined using high-resolution transmission electron microscope, which reveals silver nanoparticles of 8 nm in size were decorated over spherical shaped NaGdF4:Yb,Er nanopart

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8

Poláchová, Veronika, Matěj Pastucha, Zuzana Mikušová, et al. "Click-conjugated photon-upconversion nanoparticles in an immunoassay for honeybee pathogen Melissococcus plutonius." Nanoscale 11, no. 17 (2019): 8343–51. http://dx.doi.org/10.1039/c9nr01246j.

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A method for the conjugation of photon-upconversion nanoparticles with streptavidin via copper-free click-chemistry was introduced, and the prepared label was applied in an immunoassay for European foulbrood diagnosis.

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9

Dong, Hao, Ling-Dong Sun, Ye-Fu Wang, et al. "Photon upconversion in Yb3+–Tb3+ and Yb3+–Eu3+ activated core/shell nanoparticles with dual-band excitation." Journal of Materials Chemistry C 4, no. 19 (2016): 4186–92. http://dx.doi.org/10.1039/c6tc00413j.

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10

Chen, Xian, Denfeng Peng, Qiang Ju, and Feng Wang. "ChemInform Abstract: Photon Upconversion in Core-Shell Nanoparticles." ChemInform 46, no. 21 (2015): no. http://dx.doi.org/10.1002/chin.201521300.

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11

Bartusik-Aebisher, Dorota, Mateusz Mielnik, Grzegorz Cieślar, Ewa Chodurek, Aleksandra Kawczyk-Krupka, and David Aebisher. "Photon Upconversion in Small Molecules." Molecules 27, no. 18 (2022): 5874. http://dx.doi.org/10.3390/molecules27185874.

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Upconversion (UC) is a process that describes the emission of shorter-wavelength light compared to that of the excitation source. Thus, UC is also referred to as anti-Stokes emission because the excitation wavelength is longer than the emission wavelength. UC materials are used in many fields, from electronics to medicine. The objective of using UC in medical research is to synthesize upconversion nanoparticles (UCNPs) composed of a lanthanide core with a coating of adsorbed dye that will generate fluorescence after excitation with near-infrared light to illuminate deep tissue. Emission occurs

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12

Huang, Ying-Ying, Sulbha K. Sharma, Tianhong Dai, et al. "Can nanotechnology potentiate photodynamic therapy?" Nanotechnology Reviews 1, no. 2 (2012): 111–46. http://dx.doi.org/10.1515/ntrev-2011-0005.

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AbstractPhotodynamic therapy (PDT) uses the combination of nontoxic dyes and harmless visible light to produce reactive oxygen species that can kill cancer cells and infectious microorganisms. Due to the tendency of most photosensitizers (PS) to be poorly soluble and to form nonphotoactive aggregates, drug-delivery vehicles have become of high importance. The nanotechnology revolution has provided many examples of nanoscale drug-delivery platforms that have been applied to PDT. These include liposomes, lipoplexes, nanoemulsions, micelles, polymer nanoparticles (degradable and nondegradable), a

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13

Lian, Tianquan. "(Keynote) Rational Design of Quantum Dot/Mediator Interfaces for Triplet Energy Transfer and Photon Upconversion." ECS Meeting Abstracts MA2022-02, no. 20 (2022): 911. http://dx.doi.org/10.1149/ma2022-0220911mtgabs.

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Photon upconversion, where two or more low energy photons are converted into one high energy photon, shows great potential in bioimaging, catalysis and solar energy conversion. Photon upconversion has traditionally been realized with lanthanide-doped nanoparticles, or organic dye sensitized triplet-triplet annihilation (TTA) based upconversion platforms. In recent years, QD sensitized triplet-triplet annihilation based upconversion systems have achieved impressive upconversion quantum efficiency and demonstrated many unique advantages, including high photostability, large extinction coefficien

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14

Lian, Tianquan. "(Invited) Rational Design of Quantum Dot/Mediator Interfaces for Triplet Energy Transfer and Photon Upconversion." ECS Meeting Abstracts MA2023-01, no. 14 (2023): 1362. http://dx.doi.org/10.1149/ma2023-01141362mtgabs.

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Photon upconversion, where two or more low energy photons are converted into one high energy photon, shows great potential in bioimaging, catalysis and solar energy conversion. Photon upconversion has traditionally been realized with lanthanide-doped nanoparticles, or organic dye sensitized triplet-triplet annihilation (TTA) based upconversion platforms. In recent years, QD sensitized triplet-triplet annihilation based upconversion systems have achieved impressive upconversion quantum efficiency and demonstrated many unique advantages, including high photostability, large extinction coefficien

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15

Shuai Ye, Shuai Ye, Jun Song Jun Song, Dong Wang Dong Wang, Yuliang Tian Yuliang Tian, Junle Qu Junle Qu, and and Hanben Niu and Hanben Niu. "Reduced photon quenching in Ce-doped NaYF4:Yb/Ho upconversion nanoparticles with core/shell structure." Chinese Optics Letters 14, no. 2 (2016): 021601–21605. http://dx.doi.org/10.3788/col201614.021601.

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16

Solanki, Pratik S., Sangeetha Balabhadra, Michael F. Reid та Jon-Paul R. Wells. "A spectroscopic and thermometric comparison of α- and β-phase KYF₄:Yb³⁺/Er³⁺ nanoparticles". Journal of Applied Physics 133, № 3 (2023): 035104. http://dx.doi.org/10.1063/5.0131207.

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We report absorption, fluorescence, and thermometric studies of both (α) cubic and (β) hexagonal phase KYF4:Yb/Er nanoparticles. The cubic phase of KYF4:Yb/Er nanoparticles was achieved using a hydrothermal approach, and the cubic to hexagonal phase transformation was successfully realized by controlling the annealing temperature at 500 °C. Both nanoparticle systems exhibit similar maxima in the Yb3+ absorption spectra at 10 268 cm−1 (974 nm). The 2H11/2, 4S3/2, and 4F9/2 → 4I15/2 transitions are recorded in the Er3+ upconversion fluorescence spectrum using 974 nm laser excitation. The green a

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17

Farka, Zdeněk, Matthias J. Mickert, Zuzana Mikušová, et al. "Surface design of photon-upconversion nanoparticles for high-contrast immunocytochemistry." Nanoscale 12, no. 15 (2020): 8303–13. http://dx.doi.org/10.1039/c9nr10568a.

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18

Huang, Ling, Eugenia Kakadiaris, Tereza Vaneckova, Kai Huang, Marketa Vaculovicova, and Gang Han. "Designing next generation of photon upconversion: Recent advances in organic triplet-triplet annihilation upconversion nanoparticles." Biomaterials 201 (May 2019): 77–86. http://dx.doi.org/10.1016/j.biomaterials.2019.02.008.

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19

Son, Dong Hee. "(Invited) Upconverted Hot Electrons from Semiconductor Nanocrystals for Enhancing Photocatalysis." ECS Meeting Abstracts MA2024-01, no. 35 (2024): 1984. http://dx.doi.org/10.1149/ma2024-01351984mtgabs.

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The exciton-to-hot electron upconversion phenomenon in Mn-doped semiconductor quantum dots (QDs) produces highly energetic hot electrons. These electrons have an average energy just a fraction of 1 eV below the vacuum level, with a subpopulation of hot electrons existing above the vacuum level. This hot electron upconversion process is similar to photon upconversion in lanthanide-doped nanoparticles. However, the final state here is a highly excited hot electron in the conduction band of the host QDs, not a state emitting higher-energy photons. These upconverted hot electrons can be harnessed

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20

Sano, Naoki, Kosuke Nishigaya, and Katsuaki Tanabe. "Upconversion semiconductor interfaces by wafer bonding for photovoltaic applications." Applied Physics Letters 121, no. 1 (2022): 011601. http://dx.doi.org/10.1063/5.0097427.

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Efficient use of incident sunlight is an important key issue for the improvement of solar cell performance. Here, we propose and experimentally demonstrate photon upconversion material mediated semiconductor bonding as a concept of interfacial functionalization. Our wavelength-converting semiconductor interface comprises rare earth doped upconversion nanoparticles embedded in a hydrogel matrix. Advantageously, the bonding process is conducted at room temperature in ambient air. As a proof of principle, photocurrent enhancement in bonded Si solar cells is demonstrated. Our technical scheme coul

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21

Vetrone, Fiorenzo. "(Invited) Rare Earth Nanoparticles: Advancing Light-Driven Theranostic Applications." ECS Meeting Abstracts MA2025-01, no. 60 (2025): 2906. https://doi.org/10.1149/ma2025-01602906mtgabs.

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In recent years, nanoparticle-based "theranostic" agents have garnered significant attention for the treatment of various diseases, including cancer. This emerging paradigm in personalized medicine leverages nanoplatforms that integrate both therapeutic and diagnostic (theranostic) functionalities. Unlike separate delivery of drugs and imaging agents, theranostic agents enable simultaneous delivery to specific sites, facilitating disease detection and treatment in a single procedure. Many theranostic nanoplatforms are activated by light; however, most rely on UV or visible excitation light, wh

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22

Vetrone, Fiorenzo. "(Invited) Near-Infrared Triggered Theranostics." ECS Meeting Abstracts MA2024-01, no. 22 (2024): 1338. http://dx.doi.org/10.1149/ma2024-01221338mtgabs.

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In the last decade, the field of luminescent lanthanide doped nanoparticles has had a meteoric rise, progressing from the basic understanding of the photophysical properties governing their nanoscale luminescence, in particular upconversion, to their use in a plethora of applications, with considerable focus in biology and medicine. This interest stems primarily from the ability to stimulate these luminescent nanoparticles with near-infrared (NIR) light as well as their diverse emission wavelengths spanning the UV to the NIR. Therefore, with a single NIR excitation wavelength, it is possible t

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23

Mahata, Manoj Kumar, Ranjit De, and Kang Taek Lee. "Near-Infrared-Triggered Upconverting Nanoparticles for Biomedicine Applications." Biomedicines 9, no. 7 (2021): 756. http://dx.doi.org/10.3390/biomedicines9070756.

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Due to the unique properties of lanthanide-doped upconverting nanoparticles (UCNP) under near-infrared (NIR) light, the last decade has shown a sharp progress in their biomedicine applications. Advances in the techniques for polymer, dye, and bio-molecule conjugation on the surface of the nanoparticles has further expanded their dynamic opportunities for optogenetics, oncotherapy and bioimaging. In this account, considering the primary benefits such as the absence of photobleaching, photoblinking, and autofluorescence of UCNPs not only facilitate the construction of accurate, sensitive and mul

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24

Hlaváček, Antonín, Zdeněk Farka, Matthias J. Mickert, et al. "Bioconjugates of photon-upconversion nanoparticles for cancer biomarker detection and imaging." Nature Protocols 17, no. 4 (2022): 1028–72. http://dx.doi.org/10.1038/s41596-021-00670-7.

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25

Ju, Xiuhao, Jialei Song, Jianlei Han, Yonghong Shi, Yuan Gao, and Pengfei Duan. "Photofluorochromic water-dispersible nanoparticles for single-photon-absorption upconversion cell imaging." Nanotechnology 32, no. 47 (2021): 475606. http://dx.doi.org/10.1088/1361-6528/ac137f.

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26

Xie, Xiaoji, Nengyue Gao, Renren Deng, Qiang Sun, Qing-Hua Xu, and Xiaogang Liu. "Mechanistic Investigation of Photon Upconversion in Nd3+-Sensitized Core–Shell Nanoparticles." Journal of the American Chemical Society 135, no. 34 (2013): 12608–11. http://dx.doi.org/10.1021/ja4075002.

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27

Guo, Shaohong, Xiaoji Xie, Ling Huang, and Wei Huang. "Sensitive Water Probing through Nonlinear Photon Upconversion of Lanthanide-Doped Nanoparticles." ACS Applied Materials & Interfaces 8, no. 1 (2015): 847–53. http://dx.doi.org/10.1021/acsami.5b10192.

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28

Gorris, Hans H., and Ute Resch-Genger. "Perspectives and challenges of photon-upconversion nanoparticles - Part II: bioanalytical applications." Analytical and Bioanalytical Chemistry 409, no. 25 (2017): 5875–90. http://dx.doi.org/10.1007/s00216-017-0482-8.

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29

Peng, Tingting, Rui Pu, Baoju Wang, et al. "The Spectroscopic Properties and Microscopic Imaging of Thulium-Doped Upconversion Nanoparticles Excited at Different NIR-II Light." Biosensors 11, no. 5 (2021): 148. http://dx.doi.org/10.3390/bios11050148.

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Lanthanide-doped upconversion nanoparticles (UCNPs) are promising bioimaging nanoprobes due to their excellent photostability. As one of the most commonly used lanthanide activators, Tm3+ ions have perfect ladder-type electron configuration and can be directly excited by bio-friendly near-infrared-II (NIR-II) wavelengths. Here, the emission characteristics of Tm3+-doped nanoparticles under laser excitations of different near-infrared-II wavelengths were systematically investigated. The 1064 nm, 1150 nm, and 1208 nm lasers are proposed to be three excitation strategies with different response s

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30

Jang, Taehun, MaengJun Kim, and Sang Ho Sohn. "Silica Nanoparticle Coating of NaYF4:(Yb3+, Er3+) Upconversion Phosphor." Journal of Nanomaterials 2022 (July 28, 2022): 1–8. http://dx.doi.org/10.1155/2022/8961362.

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To improve its light conversion efficiency, NaYF4:(Yb3+, Er3+) upconversion (UC) phosphor, which generates one visible photon by absorbing two or more near-infrared photons, was coated with SiO2 nanoparticles. The surface modification of phosphor was performed by using a modified sol–gel method as a function of the concentration of colloidal silica employed as the surface coating precursor. It was found that the PL intensities depend on the concentration of colloidal silica. When a 2.7 wt% concentration of colloidal silica was used, the NaYF4:(Yb3+, Er3+) phosphor exhibited a homogeneous coati

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31

Vetrone, Fiorenzo. "(Invited) Exploiting Near-Infrared Light for Theranostics." ECS Meeting Abstracts MA2024-02, no. 35 (2024): 2453. https://doi.org/10.1149/ma2024-02352453mtgabs.

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Since first reported, luminescent rare earth doped nanoparticles have attracted a great deal of interest. In the last decade, however, the field has rapidly taken off, progressing from the basic understanding of the photophysical properties governing their nanoscale luminescence, particularly upconversion, to their use in a plethora of applications, with considerable focus in biology and medicine. This interest stems primarily from the ability to stimulate these luminescent nanoparticles with near-infrared (NIR) light as well as their diverse emission wavelengths spanning the UV to the NIR. Th

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32

Macháčová, Eliška, and Zdeněk Farka. "Detection of Protein Biomarkers Using Lateral Flow Tests with Photon-upconversion Nanoparticles." Czech Chemical Society Symposium Series 20, no. 5 (2022): 335–39. http://dx.doi.org/10.54779/ccsss20220335.

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Rapid and sensitive detection of clinically important analytes is crucial for early disease diagnosis and initiation of treatment. Immunochemical assays are widely used to determine the presence and concentration of analytes in various complex media due to their high specificity provided by antibodies. Recently, lateral flow immunoassays (LFIAs) are becoming one of the most popular forms of immunochemical assays. LFIAs are test strips based on nitrocellulose membranes, and their most significant advantage is that there is no need for laboratory equipment to perform the assay enabling their use

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33

Jurga, Natalia, Sylwia Ryszczyńska, and Tomasz Grzyb. "Designing photon upconversion nanoparticles capable of intense emission in whole human blood." Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 303 (December 2023): 123220. http://dx.doi.org/10.1016/j.saa.2023.123220.

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34

Sklenárová, Dorota, Ekaterina Makhneva, and Zdeněk Farka. "Immunomagnetic Assay Using Photon-Upconversion Nanoparticles for the Detection of Cancer Biomarkers." Czech Chemical Society Symposium Series 21, no. 6 (2023): 266–69. http://dx.doi.org/10.54779/ccsss20230266.

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Prostatic carcinoma is the most frequently diagnosed type of cancer within the male population worldwide. The most important prostate cancer biomarker is the prostate-specific antigen (PSA). Changes in PSA concentration may occur in very narrow ranges, making ultrasensitive analytical methods necessary. Enzyme-linked immunosorbent assay (ELISA) is considered the gold standard of analytical methods. It utilizes microtiter plates as solid phase and enzyme-based labels. However, ELISAs are often not sensitive enough for early-stage detection of subclinical levels of PSA. To enhance the sensitivit

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35

Alzahrani, Yahya A., Abdulaziz Alromaeh, and Masfer Alkahtani. "Efficient Lithium-Based Upconversion Nanoparticles for Single-Particle Imaging and Temperature Sensing." Materials 16, no. 12 (2023): 4354. http://dx.doi.org/10.3390/ma16124354.

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Upconversion Nanoparticles (UCNPs) have attracted exceptional attention due to their great potential in high-contrast, free-background biofluorescence deep tissue imaging and quantum sensing. Most of these interesting studies have been performed using an ensemble of UCNPs as fluorescent probes in bioapplications. Here, we report a synthesis of small and efficient YLiF4:Yb,Er UCNPs for single-particle imaging as well as sensitive optical temperature sensing. The reported particles demonstrated a bright and photostable upconversion emission at a single particle level under a low laser intensity

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36

Sun, Lingdong, Zeyu Deng, Yusen Liang, Hao Dong, and Chunhua Yan. "Highly Concentrated Luminescence from Rare Earth Nanoparticles." ECS Meeting Abstracts MA2025-01, no. 13 (2025): 1045. https://doi.org/10.1149/ma2025-01131045mtgabs.

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Improve the luminescence from rare earth nanoparticles is vital for potential applications in ultrasentive detection, data storage, bio-sensing and imaging. To assembly nanoparticles to form a cavity is supposed to be a step for miniaturization potential divides. But it still remains challenges, especially optical losses increase with reduced resonant cavity sizes, and higher pump power is required to reach the lasing thresholds. Here, we make use of the whispering galley mode, composed of upconversion nanoparticles and coupled with polymer microcavities to achieve concentrated luminescence un

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37

Vetrone, Fiorenzo. "(Invited) Luminescent Lanthanide Doped Nanoparticles." ECS Meeting Abstracts MA2022-01, no. 20 (2022): 1100. http://dx.doi.org/10.1149/ma2022-01201100mtgabs.

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In the last decade, the field of lanthanide doped upconverting nanoparticles has vastly matured, progressing from the basic understanding of the photophysical properties governing their nanoscale luminescence, to their use in the study of a number of fundamental properties and ultimately to a plethora of applications, with considerable focus in biology and medicine. This interest stems primarily from the ability to stimulate these luminescent nanoparticles with near-infrared (NIR) light as well as their diverse emission wavelengths spanning the UV to the NIR. Therefore, with a single NIR excit

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38

da Silva, Jefferson F., Rodrigo F. da Silva, Emanuel P. Santos, Lauro J. Q. Maia, and André L. Moura. "Photon-avalanche-like upconversion in NdAl3(BO3)4 nanoparticles excited at 1064 nm." Applied Physics Letters 117, no. 15 (2020): 151102. http://dx.doi.org/10.1063/5.0024619.

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39

Prieto, Martin, Alina Y. Rwei, Teresa Alejo, et al. "Light-Emitting Photon-Upconversion Nanoparticles in the Generation of Transdermal Reactive-Oxygen Species." ACS Applied Materials & Interfaces 9, no. 48 (2017): 41737–47. http://dx.doi.org/10.1021/acsami.7b14812.

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40

Chen, Kun, Wenhong Su, Yue Wang, et al. "Nanocomposites of carbon nanotubes and photon upconversion nanoparticles for enhanced optical limiting performance." Journal of Materials Chemistry C 6, no. 27 (2018): 7311–16. http://dx.doi.org/10.1039/c8tc01576g.

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41

Yang, Bingxiao, Yangbo Wang, Tian Wei, et al. "Solution-Processable Near-Infrared-Responsive Composite of Perovskite Nanowires and Photon-Upconversion Nanoparticles." Advanced Functional Materials 28, no. 31 (2018): 1801782. http://dx.doi.org/10.1002/adfm.201801782.

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42

Chen, Xiaohu, Zhengyu Gui, Yong Liang, et al. "Characterizing the luminescent properties of upconversion nanoparticles in single and densely packed state." Journal of Innovative Optical Health Sciences 12, no. 01 (2019): 1841004. http://dx.doi.org/10.1142/s1793545818410043.

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Luminescent properties of Er[Formula: see text]- and Yb[Formula: see text]- co-doped CaF2 upconversion nanoparticles (UCNPs) were investigated in single particle and densely-packed states with a custom-built microscope. The single UCNPs exhibit linear dependency of luminescent intensity on excitation power while the densely-packed UCNPs exhibit a 2-order power law-dependency indicating a two-photon absorption process. Time-domain luminescence intensity measurements were performed and the curves were fitted to excitation[Formula: see text]emission rate functions based on a simplified three-stat

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43

Wickerts, Sanna, Rickard Arvidsson, Björn A. Sandén, Gregory Peters, Lili Hou, and Bo Albinsson. "Prospective Life-Cycle Modeling of Quantum Dot Nanoparticles for Use in Photon Upconversion Devices." ACS Sustainable Chemistry & Engineering 9, no. 14 (2021): 5187–95. http://dx.doi.org/10.1021/acssuschemeng.1c00376.

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44

Masharin, Mikhail, Oleksii Peltek, Pavel Talianov, Lev Zelenkov, Mikhail Zuyzin, and Sergey Makarov. "Upconversion photoluminescence of perovskite nanoparticles encapsulated in porous sub-micron spheres supporting Mie resonances." Journal of Physics: Conference Series 2015, no. 1 (2021): 012089. http://dx.doi.org/10.1088/1742-6596/2015/1/012089.

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Abstract Currently, halide perovskites are very perspective materials not only for photovoltaics but also for nanophotonic and especially nonlinear optics. These materials have already demonstrated high two-, three- and many- photon absorption coefficients, strong Kerr-nonlinearity, and high-efficient second harmonic generation. Easy and cheap fabrication gives halide perovskites a wide area for scientific research and engineering applications. However, to achieve the stability of perovskites is still a challenging task, which scientific community is working on. In this work, we study a new fo

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45

Yonemura, Hiroaki, Yuji Naka, Ryuji Matsumoto, and Sunao Yamada. "Effects of Silver and Gold Nanoparticles on Photon Upconversion Based on Sensitized Triplet-Triplet Annihilation." Transactions of the Materials Research Society of Japan 40, no. 3 (2015): 195–201. http://dx.doi.org/10.14723/tmrsj.40.195.

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46

Hlaváček, Antonín, Matthias J. Mickert, Tero Soukka, et al. "Large-Scale Purification of Photon-Upconversion Nanoparticles by Gel Electrophoresis for Analogue and Digital Bioassays." Analytical Chemistry 91, no. 2 (2018): 1241–46. http://dx.doi.org/10.1021/acs.analchem.8b04488.

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Perego, Jacopo, Jacopo Pedrini, Charl X. Bezuidenhout, et al. "Engineering Porous Emitting Framework Nanoparticles with Integrated Sensitizers for Low‐Power Photon Upconversion by Triplet Fusion." Advanced Materials 31, no. 40 (2019): 1903309. http://dx.doi.org/10.1002/adma.201903309.

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Gee, William J. "Recent Trends Concerning Upconversion Nanoparticles and Near-IR Emissive Lanthanide Materials in the Context of Forensic Applications." Australian Journal of Chemistry 72, no. 3 (2019): 164. http://dx.doi.org/10.1071/ch18502.

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Abstract:

Upconversion nanoparticles (UCNPs) are materials that, upon absorbing multiple photons of low energy (e.g. infrared radiation), subsequently emit a single photon of higher energy, typically within the visible spectrum. The physics of these materials have been the subject of detailed investigations driven by the potential application of these materials as medical imaging devices. One largely overlooked application of UCNPs is forensic science, wherein the ability to produce visible light from infrared light sources would result in a new generation of fingerprint powders that circumvent backgrou

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Resch-Genger, Ute, and Hans H. Gorris. "Perspectives and challenges of photon-upconversion nanoparticles - Part I: routes to brighter particles and quantitative spectroscopic studies." Analytical and Bioanalytical Chemistry 409, no. 25 (2017): 5855–74. http://dx.doi.org/10.1007/s00216-017-0499-z.

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Modlitbová, Pavlína, Antonín Hlaváček, Tereza Švestková, et al. "The effects of photon-upconversion nanoparticles on the growth of radish and duckweed: Bioaccumulation, imaging, and spectroscopic studies." Chemosphere 225 (June 2019): 723–34. http://dx.doi.org/10.1016/j.chemosphere.2019.03.074.

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