Tuning the Red-to-Green-Upconversion Luminescence Intensity Ratio of Na3ScF6: 20% Yb3+, 2% Er3+ Particles by Changes in Size

Y Zhang, X Liu, M Song, Z Qin - Materials, 2023 - mdpi.com
Na3ScF6: 20% Yb3+, 2% Er3+ samples were synthesized with different reaction times and
reaction temperatures using the solvothermal method. We carried out a series of tests on …

[HTML][HTML] Advances in Organic Upconversion Devices

C Fu, G Mu, K Weng, X Tang - Photonics, 2024 - mdpi.com
Organic upconversion devices (OUDs) are a class of technology that convert low-energy
infrared (IR) photons into high-energy visible photons, offering extensive application …

Universal emission characteristics of upconverting nanoparticles revealed by single-particle spectroscopy

J Kim, HS Park, Y Ahn, YJ Cho, HH Shin, KS Hong… - ACS …, 2022 - ACS Publications
Upconverting nanoparticles (UCNPs) have been extensively investigated for nanophotonics
and biomedical applications. However, establishing a unified view of their emission …

Inert shell coating for enhanced laser refrigeration of nanoparticles: application in levitated optomechanics

C Laplane, P Ren, RP Roberts, Y Lu, T Volz - ACS Photonics, 2024 - ACS Publications
Levitated nanoparticles in vacuum, with their intrinsically low coupling to the environment,
hold the promise of precision force sensing and open new avenues for exploring …

Predicting the Excitation Dynamics in Lanthanide Nanoparticles

S Spelthann, J Thiem, O Melchert… - Advanced Optical …, 2023 - Wiley Online Library
With their dipole‐forbidden 4f transitions, lanthanides doped in nanoparticles promise high
excited state lifetimes and quantum yields that are required for applications such as …

Brightening heavily doped upconversion nanoparticles by tuning characteristics of core-shell structures

Y Niu, Z Bao, Y Gao, M Guo, J Liu, J Shao, M Lu… - Journal of Rare …, 2024 - Elsevier
Heavily doped upconversion nanoparticles (UCNPs) potentially have exceptional photon
upconversion abilities that are promising for diverse applications, such as lasing and super …

Impact of excitation intensity-dependent fluorescence intensity ratio of upconversion nanoparticles on wide-field thermal imaging

VN Nguyen, YH Lee, TT Le-Vu, JY Lin… - ACS Applied Nano …, 2022 - ACS Publications
Erbium ion (Er3+)-doped upconversion nanoparticles (UCNPs) are frequently used for
nanothermometry because their fluorescence intensity ratio (FIR) between two green …

Enabling Efficient Mid‐Infrared Luminescence of Tm3+ in a Single Core–Shell Nanocrystal through Erbium Sublattice

W Sheng, L Yan, Y Tan, Y Zhao… - Advanced Photonics …, 2023 - Wiley Online Library
Mid‐infrared luminescence at around 1.8 μm has shown great potential in many frontier
photonic fields. However, how to realize the 1.8 μm emission of Tm3+ with multiple pump …

NaYF4:Yb,Er@NaYF4:Yb,Tm and NaYF4:Yb,Tm@NaYF4:Yb,Er Core@Shell Upconversion Nanoparticles Embedded in Acrylamide Hydrogels for Anti …

J Zhang, C Cao, J Wang, S Li, Y **e - ACS Applied Nano …, 2022 - ACS Publications
Multicolor upconversion luminescence (UCL) plays an essential role in anti-fake and
information encipher. Here, we report a strategy to expand the color-adjustable emission …

A scalable fabrication method for gold nanodisk-upconverting nanoparticle hybrid nanostructures

TB Tis, C Sabo, B Xu, CC Bagot, E Rappeport, W Park - Nanoscale, 2024 - pubs.rsc.org
Plasmonic nanostructures can be used to enhance the efficiency of upconversion
nanoparticles (UCNPs) and enable new functionalities. However, the fabrication of these …