Natural Product-Based Upconversion–Downshifting Photosensitizers in Photodynamic Therapy [PDF]
PharmaceuticalsNatural product-based upconversion photosensitizers (PSs) have emerged as innovative agents in photodynamic therapy (PDT). Lanthanide ions such as Yb3+, Er3+, Nd3+, Gd3+, and Tm3+ have unique photophysical properties and biocompatibility, exhibiting ...
Xiaohui Li +4 more
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High-yield visible-to-ultraviolet upconversion by ZnSe quantum dots with dynamic triplet transfer [PDF]
Nature CommunicationsTriplet–triplet annihilation upconversion sensitized by quantum dot is often limited by the short exciton lifetime, necessitating tethered triplet transmitter.
Xin Zhang +7 more
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Upconversion Luminescence of NaYF4:Ln3+ Nanoparticles on Gold Nanorod Array with Dual-Wavelength Excitation [PDF]
NanomaterialsPlasmonic nanostructures have been widely employed to improve upconversion luminescence performance; however, their impact on excitation pathways under multi-wavelength excitation is not yet fully understood.
Haoyang Chen +7 more
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Interplay of oxygen vacancies and lanthanide emitters enables reversible upconversion switching [PDF]
Nature CommunicationsDynamic modulation of upconversion with spatiotemporal spectral features is essential for advanced optical multiplexing in anti-counterfeiting applications. However, achieving reversible dynamic control of upconversion emissions in a simple nanostructure
Mingye Ding +8 more
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Efficient low-power photon upconversion in core/shell heterostructured semiconductor nanowires [PDF]
EPJ Web of Conferences, 2023 Photon energy upconversion, i.e. the conversion of several low-energy photons to a photon of higher energy, offers significant potential for nano-optoelectronics and nanophotonics applications.
Jansson Mattias +3 more
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Upconversion fluorescent tuning based on CdS and SiO2 photonic crystals for computer chip label
Results in Optics, 2022 Manipulating fluorescence color to achieve patterned function may access to many applications and remains some challenges. In this work, we provide an effective way to manipulate upconversion fluorescence through the photonic crystals.
Zihao Chen +4 more
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Lanthanide-Doped Upconversion Nanoparticles for Super-Resolution Microscopy
Frontiers in Chemistry, 2021 Super-resolution microscopy offers a non-invasive and real-time tool for probing the subcellular structures and activities on nanometer precision. Exploring adequate luminescent probes is a great concern for acquiring higher-resolution image.
Hao Dong +3 more
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Higher-Order Multiphoton Absorption Upconversion Lasing Based on ZnO/ZnMgO Multiple Quantum Wells
Nanomaterials, 2022 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.
Shushu Ma +5 more
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Applied Sciences, 2021 In this work we report on the spectroscopic properties and the near-infrared to visible upconversion of Er3+ ions in aluminosilicate glasses manufactured by directionally solidification with the laser floating zone technique. Glasses were manufactured in
Daniel Sola +3 more
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Metasurface Enhanced Upconversion Efficiency for High-Performance Pixel-Less Thermal Imaging
Photonics, 2023 High-performance infrared thermal imaging devices are widely used in military, biomedical and other fields. Upconversion pixel-less imaging is promising for infrared imaging.
Yi Wang +12 more
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