Results 11 to 20 of about 19,577 (268)
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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Upconversion Luminescence Sensitized pH-Nanoprobes
Molecules, 2017 Photon upconversion materials, featuring excellent photophysical properties, are promising for bio-medical research due to their low autofluorescence, non-cytotoxicity, low photobleaching and high photostability.
Manoj Kumar Mahata +2 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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Topology-driven energy transfer networks for upconversion stimulated emission depletion microscopy [PDF]
Light: Science & ApplicationsLanthanide-doped upconversion nanoparticles enable upconversion stimulated emission depletion microscopy with high photostability and low-intensity near-infrared continuous-wave lasers.
Weizhao Gu +4 more
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Annual Review of Physical Chemistry, 2023 Photochemical upconversion is a process whereby two lower-energy photons are converted into a higher-energy photon by sensitized triplet–triplet annihilation. While recent interest in this process has been motivated by improving the efficiencies of solar cells, many applications are being explored.
Jiale, Feng +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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Upconversion in solar cells [PDF]
Nanoscale Research Letters, 2013 The possibility to tune chemical and physical properties in nanosized materials has a strong impact on a variety of technologies, including photovoltaics. One of the prominent research areas of nanomaterials for photovoltaics involves spectral conversion.
van Sark, W.G.J.H.M. +4 more
openaire +4 more sources
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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