Upconversion luminescent materials: advances and applications

J Zhou, Q Liu, W Feng, Y Sun, F Li - Chemical reviews, 2015 - ACS Publications
Luminescence-based techniques continue to attract considerable attention due not only to
their current range of applications but also to their wide potential in the fields of optical …

Lanthanide upconversion luminescence at the nanoscale: fundamentals and optical properties

A Nadort, J Zhao, EM Goldys - Nanoscale, 2016 - pubs.rsc.org
Upconversion photoluminescence is a nonlinear effect where multiple lower energy
excitation photons produce higher energy emission photons. This fundamentally interesting …

Lanthanide-doped luminescent nanoprobes: controlled synthesis, optical spectroscopy, and bioapplications

Y Liu, D Tu, H Zhu, X Chen - Chemical Society Reviews, 2013 - pubs.rsc.org
Lanthanide-doped inorganic nanoparticles possess superior physicochemical features such
as long-lived luminescence, large antenna-generated Stokes or anti-Stokes shifts, narrow …

Upconversion nanophosphors for small-animal imaging

J Zhou, Z Liu, F Li - Chemical Society Reviews, 2012 - pubs.rsc.org
Rare-earth upconversion nanophosphors (UCNPs), when excited by continuous-wave near-
infrared light, exhibit a unique narrow photoluminescence with higher energy. Such special …

Engineering bright sub-10-nm upconverting nanocrystals for single-molecule imaging

DJ Gargas, EM Chan, AD Ostrowski, S Aloni… - Nature …, 2014 - nature.com
Imaging at the single-molecule level reveals heterogeneities that are lost in ensemble
imaging experiments, but an ongoing challenge is the development of luminescent probes …

Upconverting nanoparticles

M Haase, H Schäfer - Angewandte Chemie International …, 2011 - Wiley Online Library
Upconversion (UC) refers to nonlinear optical processes in which the sequential absorption
of two or more photons leads to the emission of light at shorter wavelength than the …

Quenching of the upconversion luminescence of NaYF 4: Yb 3+, Er 3+ and NaYF 4: Yb 3+, Tm 3+ nanophosphors by water: the role of the sensitizer Yb 3+ in non …

R Arppe, I Hyppänen, N Perälä, R Peltomaa, M Kaiser… - Nanoscale, 2015 - pubs.rsc.org
We have studied the mechanisms of water-based quenching of the upconversion
photoluminescence of upconverting nanophosphors (UCNPs) via luminescence decay …

[PDF][PDF] Direct evidence of a surface quenching effect on size-dependent luminescence of upconversion nanoparticles

F Wang, J Wang, X Liu - Angew. Chem. Int. Ed, 2010 - blog.nus.edu.sg
Lanthanide-doped upconversion (UC) nanoparticles have shown considerable promise in
biological labeling, imaging, and therapeutics.[1] However, although current synthetic …

Lanthanide-doped upconversion nano-bioprobes: electronic structures, optical properties, and biodetection

W Zheng, P Huang, D Tu, E Ma, H Zhu… - Chemical Society …, 2015 - pubs.rsc.org
Lanthanide-doped upconversion nanoparticles (UCNPs) have attracted considerable
interest due to their superior physicochemical features, such as large anti-Stokes shifts, low …

Upconversion luminescence with tunable lifetime in NaYF 4: Yb, Er nanocrystals: role of nanocrystal size

J Zhao, Z Lu, Y Yin, C McRae, JA Piper, JM Dawes… - Nanoscale, 2013 - pubs.rsc.org
Despite recent achievements to reduce surface quenching in NaYF4: Yb, Er nanocrystals, a
complete understanding of how the nanocrystal size affects the brightness of upconversion …