Results 31 to 40 of about 19,709 (232)
Upconversion amplification through dielectric superlensing modulation
Nature Communications, 2019 Emission levels useful for applications from upconversion nanoparticles require high laser irradiance. Here, Liang et al. exploit the superlensing effect from dielectric microbeads to enhance the luminescence efficiency of upconversion nanoparticles and ...
Liangliang Liang +12 more
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Nature Communications, 2021 Though upconversion nanoparticles (UCNPs) are attractive for infrared detecting and modulating photonic devices, devising strategies to electrically manipulate upconversion emission remain a challenge.
Yiming Wu +4 more
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Nature Communications, 2021 Upconversion microlasers present a lot of advantages but also require high pumping powers. Here the authors present a high-performing microlaser based on anti-Stokes-shift in upconversion nanoparticles synthesized using a technique of liquid quenching.
Byeong-Seok Moon +5 more
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, 2018 We propose a simplified rate-equation model for the 1500 nm to 980 nm upconversion in Er$^{3+}$. The simplifications, based on typical experimental conditions as well as on conclusions based on previously published more advanced models, enable an ...
Balling, Peter +5 more
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Smart systems related to polypeptide sequences [PDF]
, 2016 Increasing interest for the application of polypeptide-based smart systems in the biomedical field has developed due to the advantages given by the peptidic sequence.
Franco García, María Lourdes +2 more
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Nature Communications, 2017 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.
Qiuqiang Zhan +9 more
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Photoactivatable metal complexes : from theory to applications in biotechnology and medicine [PDF]
, 2013 This short review highlights some of the exciting new experimental and theoretical developments in the field of photoactivatable metal complexes and their applications in biotechnology and medicine.
Sadler, P. J., Smith, Nicola A.
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Advances in Condensed Matter Physics, 2013 Highly crystalline body-centered cubic structure Y2O3 with lanthanide (Ln) codopants (Ln = Yb3+/Er3+ and Yb3+/Ho3+) has been synthesized via a moderate hydrothermal method in combination with a subsequent calcination. The structure and morphology of Y(OH)
Haibo Wang +5 more
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High resolution fluorescence imaging of cancers using lanthanide ion-doped upconverting nanocrystals [PDF]
, 2012 During the last decade inorganic luminescent nanoparticles that emit visible light under near infrared (NIR) excitation (in the biological window) have played a relevant role for high resolution imaging of cancer. Indeed, semiconductor quantum dots (QDs)
Bogdan, Nicoleta +9 more
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Six-photon upconverted excitation energy lock-in for ultraviolet-C enhancement
Nature Communications, 2021 Photon upconversion with near-infrared excitation and ultraviolet emission has many applications, but suffers from low quantum efficiency. Here, the authors report a six-photon upconversion process in nanoparticles with heterogeneous core-multishell ...
Qianqian Su +9 more
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